Estate Art Deco 18K W Gold Plat. 62.04ct Onyx & 0.58ctw Diamond Brooch

A stunning example of Art Deco craftsmanship, this vintage brooch showcases a commanding 62.04-carat onyx cabochon set in lustrous 18K white gold and platinum. Nineteen old mine and rose cut diamonds in J-K color with SI1-I1 clarity add subtle sparkle through bead prong and bezel settings. Measuring 50.50mm x 37.60mm, this substantial piece from circa 1920-1930 features a secure straight pin with catch. Weighing 15.50 dwt, it's a distinguished accessory for the discerning collector of fine estate jewelry.

18k white gold & platinum
1 rectangle cabochon of onyx, black color, severely included, bezel set, 62.04ct
19 old mine cut & rose cut diamonds, J-K color, SI1-I1 clarity, bead prong & bezel set, 0.58ctw
Brooch measures 50.50mm x 37.60mm
Straight pin with catch
Antique from the Art Deco era circa 1920-1930
Weighs 15.50dwt
See photos for insurance appraisal
This estate piece comes with two customized copies of the Walter Bauman Jewelers appraisal, available upon request.
Color:White.
Main Stone:Onyx
Main Stone Shape:Cabochon
Main Stone Color:Black
Main Stone Creation:Natural
Main Stone Treatment:Not Enhanced
Second Stone:Diamond
Gemstone Clarity:Severely Included
Diamond Color:K
Diamond Cut:Good
Diamond Clarity:SI1
Customized:No
Handmade:Yes
Signed:No
Era:Art Deco
Vintage:Yes
Antique:Yes
Shape:Rectangle
Setting Style:Bezel
Gender:Women