Quatre expresses its graphic strength in a play of colors and materials. Introducing the Quatre White Edition. The touch of matte Hyceram, the diamonds and the polish of white, yellow and rose gold combine to create an intense radiance. This Quatre small ring can be worn on its own or in combination with other pieces from the collection, to affirm your style. From the Quatre Collection. 18-karat yellow, white, and pink gold with white ceramic. White diamonds; 0.25 total carat weight. To clean or shine this piece, wipe with a clean, dry cloth. Size Note: Runs small; we recommend ordering one size up. Boucheron Style # JRG01597