--- title: "Radiant and Half Moon Diamond Engagement Ring" description: "A radiant cut lab diamond engagement ring with half moon side stones, in platinum or gold. Made to order in our New York flagship." canonical: "https://www.adadiamonds.com/lab-diamond-engagement-rings/radiant-half-moon-setting-489" last-updated: "2026-11-10" --- # Radiant and Half Moon Setting > A radiant cut lab diamond engagement ring with half moon side stones, in platinum or gold. Made to order in our New York flagship. A versatile three stone engagement ring setting, featuring a pair of brilliant cut half-moon shaped lab grown diamond side stones in a classic cathedral style. ## Details | Attribute | Value | | --- | --- | | Design number | AD-489 | | Style | Three Stone · Basket | | Price (setting only) | $2,450 in gold; $2,750 in platinum or two-tone | | Center stone | Sold separately; choose any compatible lab diamond | | Center stone shapes | Radiant | | Metals | 18k White Gold, 18k Yellow Gold, 14k Yellow Gold, 18k Rose Gold, 14k Rose Gold, Yellow Gold | | Platinum and two-tone | Platinum & 18k Yellow Gold, Platinum & 14k Yellow Gold, Platinum & 18k Rose Gold, Platinum & 14k Rose Gold | | Band widths | 1.8mm, 2.0mm, 2.2mm, 2.4mm | | Band shapes | Rounded, Knife Edge, Euro, Tapered, Square, Custom | | Prong styles | Round Prongs, Claw Prongs, V-Prongs, Square Prongs, Dual Round Prongs, Dual Claw Prongs | | Default build | 1.8mm, Rounded, Claw Prongs | | Engraving | Available | | Lead time | Made to order; ships in 3-4 Weeks | | Made in | New York City | ## Pricing Your Choice of Gold: 0.20ct Each Side Stones (~0.40ctw): $2,650 USD 0.25ct Each Side Stones (~0.50ctw): $2,750 USD 0.30ct Each Side Stones (~0.60ctw): $2,900 USD 0.40ct Each Side Stones (~0.80ctw): $3,450 USD 0.50ct Each Side Stones (~1.0ctw): $3,750 USD _Starting at price is for the setting and side stones only (center stone priced separately) and includes DEF/VS lab grown diamond side stones. Platinum and two-tone available for an additional $300 fee. Subject to availability; all side stone weights and measurements are approximate._ ## Compatible center diamonds - Radiant: 60 in stock, 1–3.75 ct, from $1,075 Browse them: · search by API: ## Shipping and returns - Free shipping in the US; international shipping $75. - 30-day returns by mail ($50 return label). Full terms: ## Images ![High Quality Created Diamonds set in White Gold Radiant and Half Moon Setting (Main View)](https://content.adadiamonds.com/image/upload/v1712391827/White-Gold-Radiant-and-Half-Moon-Setting-with-Created-Diamonds_Main-View_Product-Number-489.webp) ![Diamonds set in White Gold Radiant and Half Moon Setting (Profile View)](https://content.adadiamonds.com/image/upload/v1712391821/White-Gold-Radiant-and-Half-Moon-Setting-with-Synthetic-Diamonds_Profile-View_Product-Number-489.webp) ![Hand Selected Diamonds Radiant and Half Moon Diamond Engagement Ring in White Gold (Side View)](https://content.adadiamonds.com/image/upload/v1712391820/Lab-Diamonds_Radiant-and-Half-Moon-Setting_White-Gold_Side-View_Product-Number-489.webp) ![14k yellow gold 2ct radiant and half moon lab diamond engagement ring ada diamonds design ad 489](https://content.adadiamonds.com/image/upload/v1691556485/2-ct-radiant-cut-lab-diamond-engagement-ring-wiht-half-moon-side-stones-yellow-gold-ada-diamonds-design-ad-489_1663606773617-AJQNQEYCHL3TM22AN3QJ.jpg) ![14k yellow gold radiant and half moon lab diamond engagement ring ada diamonds design ad 489](https://content.adadiamonds.com/image/upload/v1691556485/two-carat-radiant-and-half-moon-lab-diamond-engagement-ring-in-yellow-gold-ada-diamonds-desing-ad-489_1663606773919-EGEWB41KZZOD7UAE9MFO.jpg) ![2.0 ctw Diamonds Radiant and Half Moon Setting in Platinum & Yellow Gold (Main View)](https://content.adadiamonds.com/image/upload/v1727725069/2-ct-Diamonds-in-Platinum-and-Yellow-Gold-Radiant-and-Half-Moon-Setting_Main-View_Product-Number-489.jpg) --- Canonical URL: