Vintage certified Australian black opal diamond ring US size 6.5

The black opal ring is acquired from Japan. it features a flashy glitter like play of color of the natural Australian black opal of 1.066 ctw. side stones are good quality diamonds totaling 0.51 ct. it has vitreous luster of red, yellow, blue and green colors. all metal is solid PT900 comes with JSL certificate Finger Size: US 6.5 ‎ Resizing Available: no ‎ Item Weight: 6 grams certification: JSL Hallmars: pt900, 1066, D051 product origin: Japan