Cambridge is a one-of-a-kind vintage Art Deco era engagement ring made from platinum centering (3) three bezel set Emerald Cut diamonds totaling approximately 0.60cts graded H-I color and VS/SI clarity. This unique and unusual engagement ring features two half moon carved onyx and two bright red natural rubies totaling 0.10cts that delicately frame the center stones. A breathtaking halo of twenty Antique Full Cut round diamonds totaling approximately 0.60cts, graded G-H and VS clarity, surround the center stones in a geometric setting that exemplifies the traditional style of the Art Deco era. Size 7 1/4.