This feminine, nature-inspired alexandrite ring features six dazzling marquise-shaped moissnaites elegantly accenting a center gem in a bead prong basket setting. Round diamond accents sparkle from the shouldersEngagement Ring: Metal Sterling Silver, 10k/14k/18k gold, Platinum Center Stone Lab Alexandrite Shape Oval Weight approx 1 carat Size 7x5 mm Accent stones moissanites Set Prong,Pave Set Is Alexandrite good for engagement ringsIts 8.5 Mohs scale of hardness ranking make it agoodcontender forengagement rings. If you don't want a traditionaldiamondor a traditional gemstoneengagement ring, consider a color changingalexandrite and get the hues of multiple precious gems all in one hard working stone.