In great condition! Size 6.75 Circa 1980s 10kt solid plumb yellow gold Guaranteed 52.5% gold but may have more! A 6x4mm (@1/2ct) genuine EXTREMELY HIGH quality Australian rainbow lightning fire opal 2 @1.8ct round and near colorless diamonds in a vine/twig design. Shank is split in 3 ways on one side and bypassed on the other Prong set 1.87grams Marked KAHINOOR 10KP (p is for plumb, not plated) KAHINOOR is the name of the largest cut diamond in the world, that is in the Queen of England’s crown There are a few KAHINOOR jewelry companies, not sure which this is, but the plumb gold marks this as being approx 40-45ish years old All stones are secure It is in good preowned condition. The opal has a pink/orangeblue/purple background and flashes yellow orange blue and green depending on the angle It is semi transparent but an incredible high quality opal Selling as is. All vintage jewelry will have some minor signs of prior wear and tear. View all photos. Nothing major to note, and nothing that can’t be fixed by a good polishing! This has been very gently worn It’s a perfect addition to any opal lover or jewelry lovers collection! I ship daily in a ring box Offers welcomed Check my page for more! I have just recently been diagnosed with a rare, progressive brain disease called Erythromelalgia. I can no longer work, I’ve had to take a leave of absence, as things have progressed so rapidly. This is my only form of income. Thank you for your support!