Sterling Silver 1.78ct Blue Topaz and Diamond Necklace - Rectangle Gemstone

Sterling silver women's diamond (.01 ct, I-J Color, I2-I3 Clarity) and blue topaz (1.78 ct) rectangular pendant necklace measures approximately 18mm high  x 10mm wide. The actual gemstone is 8mm x 6mm. The women's diamond pendant sits on an 18 inch sterling silver chain. 8-SSDN-TN8408BTD-N89