JEAN SCHLUMBERGER FOR TIFFANY & Co - 1960'S CROSS-STITCH DOME RING Comprising a large basket of yellow gold wires linked by cross-stitch motifs paved with brilliant-cut diamonds. Mounted in 18K yellow gold and platinum. Signed Tiffany Schlumberger. Gross weight: 17.43 g. Finger size: 55. Height: 1.2 cm. A diamond, platinum and 18K yellow gold "Cross-stitch" ring by Jean Schlumberger for Tiffany & Co, circa 1960. Signed Tiffany Schlumberger. Gross weight : 17,43 gr. Size : 55. Height : 1,2 cm.