Tiffany & Co 1.93 ct Round Brilliant Cut Diamond Stud Earrings. The earrings mountings are 950 Platinum that weigh 2.8 grams. The two Round Brilliant Cut diamonds are Excellent Cut, Very Good Polish, Very Good Symmetry, and None fluorescence. The measurements are 6.41 - 6.43 x 3.90 mm / 6.42 - 6.44 x 3.88 mm. Both earrings are stamped "T&Co. PT950 1817****".The earrings come with Tiffany & Co diamond certificates, inner & outer box as seen on the pictures. The earrings come with Tiffany & Co Diamond Certificates, T&Co inner earrings box. The current retail replacement value on these earrings are around $24,000+Tax at Tiffany.