BLACK OPAL DOUBLET RING AND PENDANT: 14K yellow gold freeform ring with 10.00 x 8.00 mm oval shaped black opal doublet. Blue/Green play-of-color. Size 8.5 Weight: 4.4 grams. 14K yellow gold freeform pendant with 20.00 x 13.00 irregular oval shaped black opal doublet. Blue/Green play-of-color. The opal is slightly crazed. Weight: 5.2 grams.