Mauboussin 18K Amethyst Diamond Ring https://media.styletribute.com/products/76227/620x620/edt-5c3c2c585d705e4b1304e582c8c27c6b94c3f4df.JPG 18K white gold Mauboussin Fou De Toi cocktail ring featuring a faceted square prong set amethyst, 0.18 carats of round brilliant pavé diamonds. Ring Size: 12 Metal Type: 18K White Gold Hallmark: 750, Designer-Signature, Maker's Mark Signature: MAUBOUSSIN PARIS 53 Location: Inside Shank Metal Finish: High Polish MAUBOUSSIN SVSGJW76227