The exceptional Promise N°22 Yellow gold engagement ring, set with a 1.00 CT natural diamond, perfect D-E color and VVS1-VS1 clarity, is GIA certified, which confirms its highest quality. This custom engagement ring, handcrafted in Bellers workshop and available in 750 fineness, is the epitome of timeless classics. Material: Yellow gold Gold test: 750 Ring width: 2 mm Total approximate product weight: 1.50 g Stone: Diamond Cut: Brilliant 57-58 facets Shape: Round Diamond Colour: White / D-E Diamond Clarity: VVS1-VS1 Diamond weight: 1.00 CT Diamond dimensions: 6.5 x 6.5 mm Does the piece come with certificate? Yes Can the piece be engraved? Yes