Exceptional Art Deco Platinum Diamond Onyx Brooch
High Art Deco design at its most fabulous! Enter this enchanted architectural wonderland, artfully hand fabricated in platinum - circa 1925. Centering the finely hand carved jet black onyx archway is a gleaming highly-stylized martini glass composed of a pair of trapezoid diamonds, and two baguette diamonds, topped with a triangle diamond. A pair of black onyx spades accent this dynamic diamond-set dazzler measuring 1 7/8 inch long by 7/8 inch high. This inexplicably unsigned masterpiece sparkles with 5.15 carats total diamond weight.
Item Number 50-1-10396
1 7/8 Inch
3/4 Inch
1/8 Inch
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Gemstone Details Gemstone Details

Each piece of jewelry at Lang is carefully cataloged by our expert GIA Graduate Gemologists to document all gemstones, hallmarks, method of manufacture and materials. A point of sale report is provided upon purchase.

1 Triangle Cut Diamond
Carat Weight: 0.10 carat
Color: I
Clarity: VS
2 Baguette Cut Diamonds
Carat Weight: 0.45 carat
Color: H-I
Clarity: VS
2 Trapezoid Cut Diamonds
Carat Weight: 0.40 carat
Color: H-I
Clarity: VS
50 European Cut Diamonds
Carat Weight: 3.65 carat
Color: E-F-G
Clarity: VS-SI1
30 Single Cut Diamonds
Carat Weight: 0.55 carat
Color: E-F-G
Clarity: VS
Total Diamond Carat Weight: 5.15
6 Carved Cut Onyxs
Total Carat Weight: 0.00
The Vintage Advantage

The Vintage Advantage

Go green with our naturally eco-friendly jewels.

About Art Deco Jewelry

About Art Deco Jewelry

With streamlined shapes and geometric motifs, jewelry gets graphic during the Jazz Age.

Jewelry Care

Jewelry Care

Keep your vintage and antique jewelry happy and healthy through its next lifetime.