Art Deco, Platinum & 18ct Gold, Black Onyx & Diamond Geometric Design Ring

Art Deco, Platinum & 18ct Gold, Black Onyx & Diamond Geometric Design Ring


A fine example of a black onyx and diamond ring from the Art Deco era, featuring a diamond shaped black onyx panel surrounded by twenty-eight, rose-cut diamonds.

Designed in a geometric style, the striking contrast of black onyx and diamond screams Art Deco !.

Skilfully made in platinum with the central section in 18ct gold, the head of the ring measures 10x10mm and sits very flat to the finger (1.7mm high).


RING SIZE: UK: S USA: 9.25 (Sizing available)

WEIGHT: 3.2 grams

HALLMARKS: Plat (denotes platinum) 18 (18ct Gold) together with Makers initials: BK & T

CONDITION: Good

DATE: Art Deco (1920 to 1935)

PRODUCT CODE: RG520



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Any antique boxes shown in product images are for display purposes only. Unless otherwise stated, the item will be sent in our own branded leatherette and velvet box. All items are antique, vintage, and/or pre-loved and will naturally have signs of wear and tear commensurate with age. Please note that images have been enlarged to show detail. All measurements are listed in the item description.