2517/1172
A diamond brooch set with a rose-cut diamond and black onyx, mounted in 10–12k gold. Weight app. 12 g. W. 2.2 cm. L. 4.7 cm.
Tests 14k gold at the back and 12k gold on the top by the diamond.
Condition
Wear due to age and use. Onyx appears with a larger fracture and several chips.
Auction
Category
Estimate
Sold
Price realised
3 bids
| When | Bidder | Bid |
|---|---|---|