Alex Sepkus 18K Diamond and Color Center Stone "Six Prong" Ring with 1.96ct Paraiba Tourmaline 10x8mm Oval and 6 Diamonds (Approx. 0.20ct) R-91

Alex Sepkus 18k Diamond and Black Opal Cabochon Color Center Stone Ring with 11.5x9.5mm Oval 2.48ct Center Stone and 9 Diamonds (0.20ct) R-33

Alex Sepkus 18K Diamond "Francoise" Ring with 5.65ct Pink Tourmaline 12x12mm Cushion and 11 Diamonds (0.28ct) R-226

Alex Sepkus 18k and Diamond "The Magic Flute" Ring with 8 Diamonds (app. 0.19ct) and Aquamarine (4.89ct) R-224

Alex Sepkus 18K Diamond "Monica" Ring with 3.58ct Green Tourmaline 11x8mm Oval Center Stone and 11 Diamonds (0.28ct) R-209D