Tiffany & Co. Schlumberger Diamond 18k Gold 4 Rows Wire Band Ring Size 5.75. This is an authentic Jean Schlumberger's rendition of an "X" design, the popular symbol of love. The four wire band is crafted in 18k yellow gold and has 4 X crossover design in solid platinum all adorned with 54 points of sparkling diamond. It is fully signed with the designers hallmark as well as metal content. Will make an unforgettable gift for your loved one. Includes a Tiffany box. Material: 18k yellow gold and platinum Hallmark: Tiffany & Co. Schlumberger 750 Pt950 Measurements: Band is: 6mm wide with X 8.5mm wide x 4mm high Diamonds: 0.54 total carat weight Color: G Clarity: VS1 Ring Size: 5.75 Weight: 10.5 grams Stock#: 55617