--- title: "Oval and Round Lab Diamond Engagement Ring" description: "An oval cut lab diamond engagement ring with round side stones, in platinum or gold. Made to order in our New York flagship." canonical: "https://www.adadiamonds.com/lab-diamond-engagement-rings/oval-round-setting-458" last-updated: "2026-11-10" --- # Oval and Round Setting > An oval cut lab diamond engagement ring with round side stones, in platinum or gold. Made to order in our New York flagship. A brilliant classic, this three stone setting features a pair of round lab grown side stones. Available in trellis or basket style. ## Details | Attribute | Value | | --- | --- | | Design number | AD-458 | | Style | Three Stone · Trellis | | Price (setting only) | $2,650 in gold; $2,950 in platinum or two-tone | | Hidden halo | +$1,000 | | Center stone | Sold separately; choose any compatible lab diamond | | Center stone shapes | Oval | | Metals | 18k White Gold, 18k Yellow Gold, 14k Yellow Gold, 18k Rose Gold, 14k Rose Gold, Yellow Gold, White Gold | | Platinum and two-tone | Platinum | | Band widths | 1.8mm, 2.0mm, 2.2mm, 2.4mm | | Band shapes | Rounded, Knife Edge, 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 (0.4ctw): $2,650 USD 0.25ct Each Side Stones (0.5ctw): $2,750 USD 0.30ct Each Side Stones (0.6ctw): $2,900 USD 0.40ct Each Side Stones (0.8ctw): $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. Side stones at or below 0.50ct will be uncertified and hand-selected to match your center stone. Side stones above 0.50ct are available upon request and are individually certified. _ _Platinum and two-tone available for an additional $300 fee. This style must be modified to accommodate a mixed-metal setting._ ## Compatible center diamonds - Oval: 23 in stock, 1.2–4.26 ct, from $1,150 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 ![White Gold Oval and Round Diamond Engagement Ring featuring Hand Selected Diamonds (Main View)](https://content.adadiamonds.com/image/upload/v1710269619/White-Gold-Oval-and-Round-Setting-with-Diamonds_Main-View_Product-Number-458.webp) ![Man Made Diamonds set in White Gold Oval and Round Setting (Profile View)](https://content.adadiamonds.com/image/upload/v1710269618/White-Gold-Oval-and-Round-Setting-with-Lab-Diamonds_Profile-View_Product-Number-458.webp) ![White Gold Oval and Round Diamond Engagement Ring featuring Hand Selected Man Made Diamonds (Side View)](https://content.adadiamonds.com/image/upload/v1710269618/Lab-Grown-Diamonds_Oval-and-Round-Setting_White-Gold_Side-View_Product-Number-458.webp) ![platinum oval and round setting with matching french u eternity band](https://content.adadiamonds.com/image/upload/v1691557185/2-carat-oval-and-round-three-stone-platinum-engagement-ring-with-lab-diamonds-ada-diamonds-design-numer-070-artistic-shot%2B%25281%2529_1624233331869-88PB5KC7TA3PNC3014WQ.jpg) ![oval and round setting in platinum featuring a trellis basket set with oval and round laboratory grown diamonds](https://content.adadiamonds.com/image/upload/v1691557185/lab-created-three-stone-ring_1624233727871-18VENXUYVHH9MM2UQ8DS.jpg) ![2 ct oval and round three stone lab created diamond engagement ring yellow gold ada diamonds design ad 458 macro](https://content.adadiamonds.com/image/upload/v1691557184/2-carat-oval-and-round-three-stone-man-made-diamond-engagement-ring-yellow-gold-ada-diamonds-design-ad-458_1672256917135-9DFLUNGH6V0GBPKYCLNO.jpg) --- Canonical URL: