18k White Gold Blue Sapphire and Black Diamonds Cross Pendant Convent from the Classic Collection by Mander Jewelry. Handcrafted in New York City. 

Stones:

(1) 3.50mm Blue Sapphire (Round Brilliant) approx. 0.21 ctw.

(12) 1.20mm Black Diamonds (Round Brilliant) approx. 0.09 ctw. 

Metal:

18k White Gold

Chain:

18k White Gold 18 inch Rope Chain