Boulder Opal, Diamond, White Gold Ring Stones: Boulder Opal...

Boulder Opal, Diamond, White Gold Ring Stones: Boulder Opal cabochon; Full-cut diamonds weighing a total of approximately 0.08 carat Metal: 18k white gold Gross Weight: 10.40 grams Size: 8 (sizeable) Property from the Estate of a Colorado Collector HID09710052018 © 2023 Heritage Auctions | All Rights Reserved

Condition Report: Diamonds:Avg Color: J-K-LAvg Clarity: VSShape(s): Full-CutCount: 1 - 25Colored Gems:Type(s): Boulder OpalShape(s): CabochonCount: 1 - 25Avg Quality: GoodMetals:GoldOverall Condition: GoodCondition Notes: This little beauty came to us as a Yowah opal, which refers to a location in Australia where this specific boulder opal is mined. Some of the most famous varieties of boulder opal are the aforementioned Yowah opal and Koroit opals or "nuts." Both are classified as boulder opal but given their respective names by the different color patterns and somewhat separate mining locations in Queensland Australia they are mined.