{"title":"Lab-Grown Ruby Celtic Knot Rings","description":"\u003cp\u003eThis celtic lab-grown ruby ring sets one lab-grown ruby as a solitaire between shoulders shaped into open Celtic knots. Pick an oval, round, cushion, princess, emerald, marquise, pear or heart lab-grown ruby from 1 to 9 carats total weight, in platinum, white, yellow or rose gold, or Silvadium, a tarnish-resistant sterling silver.\u003c\/p\u003e\n\u003ch2\u003eThe Celtic knot shoulders\u003c\/h2\u003e\n\u003cp\u003eCeltic knotwork uses lines that weave over and under each other in a closed loop with no start or finish. On this ring the knots form the shoulders on either side of the lab-grown ruby and are left open, so the pattern shows as fine metal lines with the skin visible through them. The lab-grown ruby sits alone above them, which keeps the design simple at the top and detailed at the sides. Many buyers choose it as a celtic lab-grown ruby engagement ring.\u003c\/p\u003e\n\u003ch2\u003eLab-grown ruby\u003c\/h2\u003e\n\u003cp\u003eRuby is red corundum and rates 9 on the Mohs scale, harder than any gem except diamond and moissanite, so it suits everyday wear. Lab-grown ruby has the same chemistry and hardness as natural ruby and an even, saturated red. Round and cushion shapes give the most sparkle; oval, pear and marquise look longer on the finger; the heart is a natural fit for a red stone.\u003c\/p\u003e\n\u003ch2\u003eCarat weight, metal and band width\u003c\/h2\u003e\n\u003cp\u003eCarat options run from 1 to 9 carats total weight. Yellow and rose gold deepen the red, while white gold, platinum and silver make it look brighter. Gold comes in 10K, 14K or 18K, and the band is about 2 to 2.5 mm wide. Prices start under $450 at the smallest option, and most choices sit near $1,200.\u003c\/p\u003e\n\u003ch2\u003eMade to order\u003c\/h2\u003e\n\u003cp\u003eEach ring is made for you in 10–15 days. Shipping is free on orders over $500, returns are accepted within 30 days, and one resize is free within 60 days of delivery.\u003c\/p\u003e","products":[{"product_id":"rose-gold-round-lab-grown-ruby-celtic-knot-solitaire-engagement-ring-with-open-knot-shoulders","title":"Rose Gold Round Lab-Grown Ruby Celtic Knot Solitaire Engagement Ring with Open Knot Shoulders","description":"\u003cp\u003eOpen, interlaced Celtic knots shape both shoulders of this rose gold solitaire engagement ring, and from the side their loops curl up underneath the head to meet it. The raised head holds a lab-grown ruby in claw prongs, with a thin rail running around the basket. Past the knotwork the shank turns into a plain, smooth band, and there are no accent stones anywhere on the ring, only polished metal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCenter: round lab-grown ruby, set in the ring\u003c\/li\u003e\n\u003cli\u003eShoulders: open Celtic knot loops that rise to the head\u003c\/li\u003e\n\u003cli\u003eMetal: rose gold; slim band with a plain lower shank, claw-prong head with a rail around the basket\u003c\/li\u003e\n\u003cli\u003eResizing: one free resize within 60 days of delivery; within one size it's done quickly, a bigger change means remaking the ring (about 10–15 days)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMade to order in 10–15 days, with free shipping on orders over $500 and 30-day returns.\u003c\/p\u003e","brand":"Renaissance Jewel","offers":[{"title":"Default","offer_id":47730796921090,"sku":null,"price":1209.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/6598\/4514\/files\/Rose-gold-Round-Cut-Ruby-Solitaire-Engagement-Ring-with-Celtic-Knot-Band-and-Four-Prong-Setting.webp?v=1778061300"},{"product_id":"yellow-gold-round-lab-grown-ruby-celtic-knot-solitaire-engagement-ring-with-open-knot-shoulders","title":"Yellow Gold Round Lab-Grown Ruby Celtic Knot Solitaire Engagement Ring with Open Knot Shoulders","description":"\u003cp\u003eOpen, interlaced Celtic knots shape both shoulders of this yellow gold solitaire engagement ring, and from the side their loops curl up underneath the head to meet it. The raised head holds a lab-grown ruby in claw prongs, with a thin rail running around the basket. Past the knotwork the shank turns into a plain, smooth band, and there are no accent stones anywhere on the ring, only polished metal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCenter: round lab-grown ruby, set in the ring\u003c\/li\u003e\n\u003cli\u003eShoulders: open Celtic knot loops that rise to the head\u003c\/li\u003e\n\u003cli\u003eMetal: yellow gold; slim band with a plain lower shank, claw-prong head with a rail around the basket\u003c\/li\u003e\n\u003cli\u003eResizing: one free resize within 60 days of delivery; within one size it's done quickly, a bigger change means remaking the ring (about 10–15 days)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMade to order in 10–15 days, with free shipping on orders over $500 and 30-day returns.\u003c\/p\u003e","brand":"Renaissance Jewel","offers":[{"title":"Default","offer_id":47730796986626,"sku":null,"price":1209.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/6598\/4514\/files\/Yellow-gold-Round-Cut-Ruby-Solitaire-Engagement-Ring-with-Celtic-Knot-Band-and-Four-Prong-Setting.webp?v=1778061299"},{"product_id":"white-gold-round-lab-grown-ruby-celtic-knot-solitaire-engagement-ring-with-open-knot-shoulders","title":"White Gold Round Lab-Grown Ruby Celtic Knot Solitaire Engagement Ring with Open Knot Shoulders","description":"\u003cp\u003eOpen, interlaced Celtic knots shape both shoulders of this white gold solitaire engagement ring, and from the side their loops curl up underneath the head to meet it. The raised head holds a lab-grown ruby in claw prongs, with a thin rail running around the basket. Past the knotwork the shank turns into a plain, smooth band, and there are no accent stones anywhere on the ring, only polished metal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCenter: round lab-grown ruby, set in the ring\u003c\/li\u003e\n\u003cli\u003eShoulders: open Celtic knot loops that rise to the head\u003c\/li\u003e\n\u003cli\u003eMetal: white gold; slim band with a plain lower shank, claw-prong head with a rail around the basket\u003c\/li\u003e\n\u003cli\u003eResizing: one free resize within 60 days of delivery; within one size it's done quickly, a bigger change means remaking the ring (about 10–15 days)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMade to order in 10–15 days, with free shipping on orders over $500 and 30-day returns.\u003c\/p\u003e","brand":"Renaissance Jewel","offers":[{"title":"Default","offer_id":47730797052162,"sku":null,"price":1209.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/6598\/4514\/files\/White-gold-Round-Cut-Ruby-Solitaire-Engagement-Ring-with-Celtic-Knot-Band-and-Four-Prong-Setting_19621158-98fa-4b74-871a-8418bcc02820.webp?v=1778061320"},{"product_id":"sterling-silver-round-lab-grown-ruby-celtic-knot-solitaire-engagement-ring-with-open-knot-shoulders","title":"Sterling Silver Round Lab-Grown Ruby Celtic Knot Solitaire Engagement Ring with Open Knot Shoulders","description":"\u003cp\u003eOpen, interlaced Celtic knots shape both shoulders of this sterling silver solitaire engagement ring, and from the side their loops curl up underneath the head to meet it. The raised head holds a lab-grown ruby in claw prongs, with a thin rail running around the basket. Past the knotwork the shank turns into a plain, smooth band, and there are no accent stones anywhere on the ring, only polished metal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCenter: round lab-grown ruby, set in the ring\u003c\/li\u003e\n\u003cli\u003eShoulders: open Celtic knot loops that rise to the head\u003c\/li\u003e\n\u003cli\u003eMetal: Silvadium, a tarnish-resistant sterling silver; slim band with a plain lower shank, claw-prong head with a rail around the basket\u003c\/li\u003e\n\u003cli\u003eResizing: one free resize within 60 days of delivery; within one size it's done quickly, a bigger change means remaking the ring (about 10–15 days)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMade to order in 10–15 days, with free shipping on orders over $500 and 30-day returns.\u003c\/p\u003e","brand":"Renaissance Jewel","offers":[{"title":"Default","offer_id":47730797117698,"sku":null,"price":439.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/6598\/4514\/files\/White-gold-Round-Cut-Ruby-Solitaire-Engagement-Ring-with-Celtic-Knot-Band-and-Four-Prong-Setting_d4a007f0-9fad-4141-a056-81677b1bdf34.webp?v=1778061311"},{"product_id":"platinum-round-lab-grown-ruby-celtic-knot-solitaire-engagement-ring-with-open-knot-shoulders","title":"Platinum Round Lab-Grown Ruby Celtic Knot Solitaire Engagement Ring with Open Knot Shoulders","description":"\u003cp\u003eOpen, interlaced Celtic knots shape both shoulders of this platinum solitaire engagement ring, and from the side their loops curl up underneath the head to meet it. The raised head holds a lab-grown ruby in claw prongs, with a thin rail running around the basket. Past the knotwork the shank turns into a plain, smooth band, and there are no accent stones anywhere on the ring, only polished metal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCenter: round lab-grown ruby, set in the ring\u003c\/li\u003e\n\u003cli\u003eShoulders: open Celtic knot loops that rise to the head\u003c\/li\u003e\n\u003cli\u003eMetal: platinum; slim band with a plain lower shank, claw-prong head with a rail around the basket\u003c\/li\u003e\n\u003cli\u003eResizing: one free resize within 60 days of delivery; within one size it's done quickly, a bigger change means remaking the ring (about 10–15 days)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMade to order in 10–15 days, with free shipping on orders over $500 and 30-day returns.\u003c\/p\u003e","brand":"Renaissance Jewel","offers":[{"title":"Default","offer_id":47730797183234,"sku":null,"price":2139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/6598\/4514\/files\/White-gold-Round-Cut-Ruby-Solitaire-Engagement-Ring-with-Celtic-Knot-Band-and-Four-Prong-Setting.webp?v=1778061302"},{"product_id":"rose-gold-pear-shaped-lab-grown-ruby-celtic-knot-solitaire-engagement-ring-with-open-knot-shoulders","title":"Rose Gold Pear-Shaped Lab-Grown Ruby Celtic Knot Solitaire Engagement Ring with Open Knot Shoulders","description":"\u003cp\u003eOpen, interlaced Celtic knots shape both shoulders of this rose gold solitaire engagement ring, and from the side their loops curl up underneath the head to meet it. The raised head holds a lab-grown ruby in claw prongs, with a thin rail running around the basket. Past the knotwork the shank turns into a plain, smooth band, and there are no accent stones anywhere on the ring, only polished metal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCenter: pear-shaped lab-grown ruby, set in the ring\u003c\/li\u003e\n\u003cli\u003eShoulders: open Celtic knot loops that rise to the head\u003c\/li\u003e\n\u003cli\u003eMetal: rose gold; slim band with a plain lower shank, claw-prong head with a rail around the basket\u003c\/li\u003e\n\u003cli\u003eResizing: one free resize within 60 days of delivery; within one size it's done quickly, a bigger change means remaking the ring (about 10–15 days)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMade to order in 10–15 days, with free shipping on orders over $500 and 30-day returns.\u003c\/p\u003e","brand":"Renaissance Jewel","offers":[{"title":"Default","offer_id":47732454097154,"sku":null,"price":1209.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/6598\/4514\/files\/Rose-gold-Pear-Cut-Ruby-Solitaire-Engagement-Ring-with-Celtic-Knot-Band-and-Four-Prong-Setting.webp?v=1778061452"},{"product_id":"yellow-gold-pear-shaped-lab-grown-ruby-celtic-knot-solitaire-engagement-ring","title":"Yellow Gold Pear-Shaped Lab-Grown Ruby Celtic Knot Solitaire Engagement Ring","description":"\u003cp\u003eOpen, interlaced Celtic knots shape both shoulders of this yellow gold solitaire engagement ring, and from the side their loops curl up underneath the head to meet it. The raised head holds a lab-grown ruby in claw prongs, with a thin rail running around the basket. Past the knotwork the shank turns into a plain, smooth band, and there are no accent stones anywhere on the ring, only polished metal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCenter: pear-shaped lab-grown ruby, set in the ring\u003c\/li\u003e\n\u003cli\u003eShoulders: open Celtic knot loops that rise to the head\u003c\/li\u003e\n\u003cli\u003eMetal: yellow gold; slim band with a plain lower shank, claw-prong head with a rail around the basket\u003c\/li\u003e\n\u003cli\u003eResizing: one free resize within 60 days of delivery; within one size it's done quickly, a bigger change means remaking the ring (about 10–15 days)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMade to order in 10–15 days, with free shipping on orders over $500 and 30-day returns.\u003c\/p\u003e","brand":"Renaissance Jewel","offers":[{"title":"Default","offer_id":47732454359298,"sku":null,"price":1209.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/6598\/4514\/files\/Yellow-gold-Pear-Cut-Ruby-Solitaire-Engagement-Ring-with-Celtic-Knot-Band-and-Four-Prong-Setting.webp?v=1778061449"},{"product_id":"white-gold-pear-shaped-lab-grown-ruby-celtic-knot-solitaire-engagement-ring-with-open-knot-shoulders","title":"White Gold Pear-Shaped Lab-Grown Ruby Celtic Knot Solitaire Engagement Ring with Open Knot Shoulders","description":"\u003cp\u003eOpen, interlaced Celtic knots shape both shoulders of this white gold solitaire engagement ring, and from the side their loops curl up underneath the head to meet it. The raised head holds a lab-grown ruby in claw prongs, with a thin rail running around the basket. Past the knotwork the shank turns into a plain, smooth band, and there are no accent stones anywhere on the ring, only polished metal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCenter: pear-shaped lab-grown ruby, set in the ring\u003c\/li\u003e\n\u003cli\u003eShoulders: open Celtic knot loops that rise to the head\u003c\/li\u003e\n\u003cli\u003eMetal: white gold; slim band with a plain lower shank, claw-prong head with a rail around the basket\u003c\/li\u003e\n\u003cli\u003eResizing: one free resize within 60 days of delivery; within one size it's done quickly, a bigger change means remaking the ring (about 10–15 days)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMade to order in 10–15 days, with free shipping on orders over $500 and 30-day returns.\u003c\/p\u003e","brand":"Renaissance Jewel","offers":[{"title":"Default","offer_id":47732454392066,"sku":null,"price":1209.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/6598\/4514\/files\/White-gold-Pear-Cut-Ruby-Solitaire-Engagement-Ring-with-Celtic-Knot-Band-and-Four-Prong-Setting_0d6f2c49-6392-4b5c-a353-b1776d809642.webp?v=1778061470"},{"product_id":"sterling-silver-pear-shaped-lab-grown-ruby-celtic-knot-solitaire-engagement-ring","title":"Sterling Silver Pear-Shaped Lab-Grown Ruby Celtic Knot Solitaire Engagement Ring","description":"\u003cp\u003eOpen, interlaced Celtic knots shape both shoulders of this sterling silver solitaire engagement ring, and from the side their loops curl up underneath the head to meet it. The raised head holds a lab-grown ruby in claw prongs, with a thin rail running around the basket. Past the knotwork the shank turns into a plain, smooth band, and there are no accent stones anywhere on the ring, only polished metal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCenter: pear-shaped lab-grown ruby, set in the ring\u003c\/li\u003e\n\u003cli\u003eShoulders: open Celtic knot loops that rise to the head\u003c\/li\u003e\n\u003cli\u003eMetal: Silvadium, a tarnish-resistant sterling silver; slim band with a plain lower shank, claw-prong head with a rail around the basket\u003c\/li\u003e\n\u003cli\u003eResizing: one free resize within 60 days of delivery; within one size it's done quickly, a bigger change means remaking the ring (about 10–15 days)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMade to order in 10–15 days, with free shipping on orders over $500 and 30-day returns.\u003c\/p\u003e","brand":"Renaissance Jewel","offers":[{"title":"Default","offer_id":47732454686978,"sku":null,"price":439.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/6598\/4514\/files\/White-gold-Pear-Cut-Ruby-Solitaire-Engagement-Ring-with-Celtic-Knot-Band-and-Four-Prong-Setting_97ecdde0-b847-4aae-9f6e-0c90225c0387.webp?v=1778061461"},{"product_id":"platinum-pear-shaped-lab-grown-ruby-celtic-knot-solitaire-engagement-ring-with-open-knot-shoulders","title":"Platinum Pear-Shaped Lab-Grown Ruby Celtic Knot Solitaire Engagement Ring with Open Knot Shoulders","description":"\u003cp\u003eOpen, interlaced Celtic knots shape both shoulders of this platinum solitaire engagement ring, and from the side their loops curl up underneath the head to meet it. The raised head holds a lab-grown ruby in claw prongs, with a thin rail running around the basket. Past the knotwork the shank turns into a plain, smooth band, and there are no accent stones anywhere on the ring, only polished metal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCenter: pear-shaped lab-grown ruby, set in the ring\u003c\/li\u003e\n\u003cli\u003eShoulders: open Celtic knot loops that rise to the head\u003c\/li\u003e\n\u003cli\u003eMetal: platinum; slim band with a plain lower shank, claw-prong head with a rail around the basket\u003c\/li\u003e\n\u003cli\u003eResizing: one free resize within 60 days of delivery; within one size it's done quickly, a bigger change means remaking the ring (about 10–15 days)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMade to order in 10–15 days, with free shipping on orders over $500 and 30-day returns.\u003c\/p\u003e","brand":"Renaissance Jewel","offers":[{"title":"Default","offer_id":47732455244034,"sku":null,"price":2139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/6598\/4514\/files\/White-gold-Pear-Cut-Ruby-Solitaire-Engagement-Ring-with-Celtic-Knot-Band-and-Four-Prong-Setting.webp?v=1778061452"},{"product_id":"rose-gold-marquise-lab-grown-ruby-celtic-knot-solitaire-engagement-ring-with-open-knot-shoulders","title":"Rose Gold Marquise Lab-Grown Ruby Celtic Knot Solitaire Engagement Ring with Open Knot Shoulders","description":"\u003cp\u003eOpen, interlaced Celtic knots shape both shoulders of this rose gold solitaire engagement ring, and from the side their loops curl up underneath the head to meet it. The raised head holds a lab-grown ruby in claw prongs, with a thin rail running around the basket. Past the knotwork the shank turns into a plain, smooth band, and there are no accent stones anywhere on the ring, only polished metal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCenter: marquise lab-grown ruby, set in the ring\u003c\/li\u003e\n\u003cli\u003eShoulders: open Celtic knot loops that rise to the head\u003c\/li\u003e\n\u003cli\u003eMetal: rose gold; slim band with a plain lower shank, claw-prong head with a rail around the basket\u003c\/li\u003e\n\u003cli\u003eResizing: one free resize within 60 days of delivery; within one size it's done quickly, a bigger change means remaking the ring (about 10–15 days)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMade to order in 10–15 days, with free shipping on orders over $500 and 30-day returns.\u003c\/p\u003e","brand":"Renaissance Jewel","offers":[{"title":"Default","offer_id":47732492599554,"sku":null,"price":1209.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/6598\/4514\/files\/Rose-gold-Marquise-Cut-Ruby-Solitaire-Engagement-Ring-with-Celtic-Knot-Band-and-Four-Prong-Setting.webp?v=1778061519"},{"product_id":"yellow-gold-marquise-lab-grown-ruby-celtic-knot-solitaire-engagement-ring-with-open-knot-shoulders","title":"Yellow Gold Marquise Lab-Grown Ruby Celtic Knot Solitaire Engagement Ring with Open Knot Shoulders","description":"\u003cp\u003eOpen, interlaced Celtic knots shape both shoulders of this yellow gold solitaire engagement ring, and from the side their loops curl up underneath the head to meet it. The raised head holds a lab-grown ruby in claw prongs, with a thin rail running around the basket. Past the knotwork the shank turns into a plain, smooth band, and there are no accent stones anywhere on the ring, only polished metal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCenter: marquise lab-grown ruby, set in the ring\u003c\/li\u003e\n\u003cli\u003eShoulders: open Celtic knot loops that rise to the head\u003c\/li\u003e\n\u003cli\u003eMetal: yellow gold; slim band with a plain lower shank, claw-prong head with a rail around the basket\u003c\/li\u003e\n\u003cli\u003eResizing: one free resize within 60 days of delivery; within one size it's done quickly, a bigger change means remaking the ring (about 10–15 days)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMade to order in 10–15 days, with free shipping on orders over $500 and 30-day returns.\u003c\/p\u003e","brand":"Renaissance Jewel","offers":[{"title":"Default","offer_id":47732492894466,"sku":null,"price":1209.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/6598\/4514\/files\/Yellow-gold-Marquise-Cut-Ruby-Solitaire-Engagement-Ring-with-Celtic-Knot-Band-and-Four-Prong-Setting.webp?v=1778061524"},{"product_id":"white-gold-marquise-lab-grown-ruby-celtic-knot-solitaire-engagement-ring-with-open-knot-shoulders","title":"White Gold Marquise Lab-Grown Ruby Celtic Knot Solitaire Engagement Ring with Open Knot Shoulders","description":"\u003cp\u003eOpen, interlaced Celtic knots shape both shoulders of this white gold solitaire engagement ring, and from the side their loops curl up underneath the head to meet it. The raised head holds a lab-grown ruby in claw prongs, with a thin rail running around the basket. 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