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Oscar Heyman Ruby Sapphire Diamond Platinum Vintage American Flag Brooch

Oscar Heyman Ruby Sapphire Diamond Platinum Vintage American Flag Brooch

Designed as a platinum American flag comprised of sapphires, rubies, and diamonds
Sapphires are calibré cut and transparent, medium to dark blue in color
Weighing approximately 3.00 carats total - bead set behind platinum stars
Rubies are square step cut and transparent medium red in color
Weighing approximately 1.92 carats total - channel set as stripes
Alternating with baguette cut diamonds channel set as stripes
Bead and bezel set with additional round brilliant cut diamonds
Depicting stars and graduated as base and top of the flag pole
Weighing approximately 2.81 carats total - G color with VS2 clarity
Completed by a hinged pinstem with locking closure
Stamped for platinum
With 18 karat gold pinstem
Numbered with maker's mark for Oscar Heyman
Circa: 20th century
Measures: 1 3/8 x 1 1/8 inch
Total weight: 11.7 grams
Stock Number We-15863