A Promise, Perfected

6 Carat Solitaire Rings

These solitaire rings each come with a 6 carat lab-grown diamond center already set, priced in. Choose the shape first: round, oval, cushion, princess, emerald, radiant, Asscher, pear, marquise or heart. Then pick a thin or rounded plain band, a pavé band, a hidden halo or a cathedral setting, in gold or platinum. A 6ct lab-grown diamond solitaire ring keeps the focus on one large stone.

1Choose a setting
Choose a Setting
Browse signature ring designs
2Select a diamond
Select a Diamond
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3Complete the ring
Complete the Ring
Preview & make it yours
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160 rings
160 rings
Conflict-Free
Ethically sourced diamonds
Lifetime Warranty
Free cleaning & resizing
Free Shipping
30-day returns
IGI / GIA Certified
Independently graded

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Buying guide

Why a solitaire suits a 6 carat center

A solitaire puts a single center on the band with nothing competing for attention, so the stone's shape and size do the talking. At 6 carats the center is already a statement, and a clean setting lets it stand out. Lab-grown diamonds have the same hardness and sparkle as mined diamonds, which matters on a ring worn every day.

Band and setting choices

  • Plain bands: a thin band makes the center look even larger; a rounded band feels softer and a little sturdier.
  • Pavé band: small lab-grown diamonds along the band add sparkle without taking over.
  • Hidden halo: a row of small stones under the center, seen from the side.
  • Cathedral: arches lift the center above a graduated pavé band.

Picking a shape, metal and price

Round and oval centers give the most sparkle; emerald and Asscher cuts show long, clean flashes of light; pear, marquise and heart shapes stand out for their outline. Gold comes in 10K, 14K or 18K in white, yellow or rose, and platinum is a dense, naturally white metal. Bands run from about 1.8 to 2.5 mm, with 2.2 mm offered on every style. Prices start from about $4,600 with the center included, and most rings cost about $5,000 to $5,100.

Made to order

Each 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.