Vintage Brut Necklace Material: 925 sterling silver Stone: white lab-grown diamond Cut: round brilliant Pendant sizes: 6 mm (0.6 cm) and 10 mm (1 cm) Chain: adjustable sterling silver chain Warranty: lifetime guarantee Category: premium Pure light, simply set. The Vintage Brut Necklace features a single round brilliant-cut lab-grown diamond floating in a minimalist bezel setting. Available in two refined sizes — 6 mm for understated shimmer, and 10 mm for a confident, radiant presence. Crafted in polished 925 sterling silver and paired with an adjustable chain, this timeless piece layers beautifully or shines on its own. A forever sparkle with a lifetime guarantee.