Mikimoto Necklace (16"): 18K yellow gold; pin set with three cultured pearls, prong set with one full cut round brilliant melee diamond. Diamond is 1.85mm avg. diameter, Clarity = VS, Color = G/H, Cut = 1a. Calculated total weight = .02 carats. Pearls 5.50-6.00mm with color white, overtone = Rosee; Luster = very high, Roundness = all round. Surface condition = unblemished. Metal weight (grams) = 3.50 Gross/2.67 Net. Mikimoto Earrings: 18K yellow gold; each pin set with three cultured pearls and friction backs. Pearls 4.5 - 5.00mm with color of white, overtone = Rosee; Luster = very high, Roundness = all round. Surface condition = unblemished. Metal weight (grams) = 2.40 Gross/1.48 Net. Excellent condition, like new, beautiful set Guarantee Certificate for both Nonsmoking home