Stud perfection. A cultured freshwater pearl (9mm) provides the perfect focal point amidst a halo and crown of round-cut diamonds (1/10 ct. t.w.). Post earrings crafted in sterling silver. Approximate drop length: 5/8 inch. Approximate drop width: 1/2 inch. Almost all gemstones and blue and black diamonds have been treated to enhance their beauty and require special care. All gemstone carat weights (ct. t.w.), if mentioned, are approximate; variance may be .05 carat.