£5,000 - £8,000
A large Art Deco black opal and diamond brooch. The oval shaped black opal displaying a fine play of colours. Within a brilliant diamond and square-cut diamond and platinum setting.
Complete in a J W Benson fitted tooled red leather case.
The stone approximately 28mm long x 18mm wide x 8 mm maximum depth and approximately 18-22 carats. The diamonds approximately 4 carats and GHI colour, VS clarity.
Provenance:
Margaret Hilda Thatcher, Baroness Thatcher, LG, OM, DStJ, PC, FRS, HonFRSC (13 October 1925 – 8 April 2013);
Thence by descent
Total weight 16.77 grams
Dimensions 58 mm long x 22mm wide
Fees apply to the hammer price:
Free Registration
| 1 to 1000000: | 35.4% inc VAT* |
| 1000001+: | 27.6% inc VAT* |
Flat Fee Registration
| 1 to 1000000: | 31.80% inc VAT* |
| 1000001+: | 24% inc VAT* |
