The Lange RingVintage Swirling Bypass Ring With striking, otherworldly swirls the Lange ring evokes scenes of crashing, repeating waves. Drawing you into the centre of the maelstrom, a single, brilliant, old mine cut diamond sits atop the 10K yellow gold waveform pattern. Details & Dimensions Centre Stones: 1 Old Mine Cut natural diamond Size: 2. 0mm approximately Weight: 0. 03 ct approximately Colour and Clarity: G H, SI Gold: 10K Yellow Gold Band Width: 15 mm