Oscar Heyman 1.40ctw VS1-VS2/F-G Diamond & Blue Sapphire Solid 18K Yellow Gold Vintage Ring - This beautiful ring was made by Oscar Heyman and was finely crafted of solid 18k yellow gold. Since the inception of the brand in 1912, the jewelry house has manufactured pieces for names such as Tiffany & Co., Van Cleef & Arpels and Cartier, eventually becoming known in the jewelry industry as "The jewelers' jeweler". While working for Cartier in 1969, the Heyman brothers designed and crafted the pear shape diamond necklace for the 68 carat Taylor-Burton Diamond. This lovely ring is decorated with approximately 0.75ctw genuine VS1-VS2/F-G brilliant round cut diamonds lining the two outer rows, and 0.65ctw square cut blue sapphires channel set into the center of the piece. The ring measures 12mm wide across the top of the piece. Ring size: 6.75 (WEIGHT: 5.1 grams) Please note: This piece is not signed as it has rubbed off due to wear. We guarantee that this piece is a genuine Oscar Heyman piece.