Antique Platinum Sapphire and Diamond Brooch
Antique platinum, sapphire, and diamond brooch.
Tests 88% platinum and 8% iridium using an XRF metals analyzer.
Gross weight 13.2 grams.
The blue sapphire is a cushion cut, 10 carats, not heat-treated.
GIA grading report number is 2231474549.
On the sides are silvery, white pearls.
Also, there are old-cut diamonds, 1.00 total carats, G, H, I color, Vs clarity.
One diamond has an edge chip.
The brooch measures 1 3/4 inches long and 1 inch wide.
Overall, excellent condition.
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