Doveggs three stones channel set engagement ring only semi-mount only(Exclusively to DovEggs Stones)Item number: YKR0134 Center stone: lab grown daimond (can apply with all shapes) Accents: 2 pieces of 0. 5ct(5mm) round & less than 3mm round, can be near colorless colorless moissanite or colored gem Setting Metal: can be solid 10k 14k gold and Platinum The Smart Buyer's Bible Is the Sparkle of an Round Old European Cut Lab Diamond as Valuable as a Round Brilliant's? A Complete Guide to Cushion Old Mine Cut & Round Old European Cut Lab Grown Diamonds