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0.5 Carat Marquise White Gold Laboratory-Grown Diamond Solitaire Engagement Ring with Plain Band
Price$769$1,538Ends Soon
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These 0.5 carat gold solitaire rings arrive with a half carat lab-grown diamond center already set, and the price includes it. Pick from ten center shapes, then a plain, rounded or pave band, a hidden halo, or a cathedral setting. Every ring is offered in 10K, 14K or 18K white, yellow or rose gold, including an 18K gold half carat lab-grown diamond solitaire ring.
From timeless solitaires to dazzling halos and vintage-inspired designs, explore the most-loved engagement ring settings — and find the style that tells your story.
A single diamond, beautifully unadorned — the timeless, most-loved setting that puts your stone center stage.
Shop Solitaire Rings →A circle of pavé diamonds frames the center stone, adding sparkle and making it look noticeably larger.
Shop Halo Rings →Three diamonds symbolising your past, present and future — a meaningful design with extra brilliance.
Shop Three-Stone Rings →Tiny diamonds set along the band catch the light from every angle for all-over shimmer.
Shop Pavé Rings →Intricate milgrain and antique-inspired detailing, for a ring with timeless, heirloom character.
Shop Vintage Rings →Two interwoven bands of metal and diamonds create a modern, dynamic silhouette.
Shop Twisted Shank Rings →Keep exploring
Buying guide
A 0.5 carat round lab-grown diamond measures about 5 mm across, close to the width of a pencil eraser. On a slim band it reads clean and balanced on most fingers. Elongated shapes such as oval, pear and marquise spread the same weight over a longer outline, so they look a little larger from the top than a round or princess of equal weight.
A plain band keeps attention on the center and is the simplest to wear every day. The rounded plain band has a softer, comfortable profile. A pave band lines the top with small lab-grown diamonds for extra sparkle. The hidden halo tucks a row of small stones under the center, visible from the side, and the cathedral style raises the center on arches above a graduated pave band. Accents add to the ring's overall stone weight; the 0.5 carat figure is the center alone.
White gold looks bright and cool, yellow gold warm and traditional, and rose gold soft and pink. 10K gold is the hardest wearing and lowest priced, 14K is the usual middle choice, and 18K has the richest color. Rings start under $800 in the lowest-priced metal, and most sit around $1,000 to $1,050, center included.
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.