Eighteen karat (18K) white gold cultured south sea pearl and diamond ring. A round cultured south sea pearl is mounted in the center of the ring. Round brilliant cut diamonds accent the ring around the center pearl. The ring has a gross weight of 20.5 Grams. NATURAL PEARL QUANTITY: 0ne (1) NATURE: Cultured South Sea (Pinctada Maxima) MIN: 16.2mm MAX: 16.4mm COMPOSITIONI: Uniform SHAPE:. Round COLOR: Greyish Silver to Light Grey BLEMISH: Clean (CI) NACRE: Very Thick (VTK) LUSTER: Ultra High (UH) ORIENT: .Yes (Y) MATCHING: .N/A NATURAL DIAMOND SHAPE: Round Brilliant Cut WEIGHT: 1.42 carat total (32pcs.) DIMENSIONS: 2.0 x 1.8mm AVERAGE CLARITY: VS2 to SI1 AVERAGE COLOR: E - F SYMMETRY: Excellent POLISH: Excellent METAL METAL: Gold PURITY: 18K (750) COLOR: White CONDITION: Excellent FINISH: High Polish Size: 7