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A PLATINUM, JADE, ONYX AND DIAMOND RING, CIRCA 1920 image 1
A PLATINUM, JADE, ONYX AND DIAMOND RING, CIRCA 1920 image 2
A PLATINUM, JADE, ONYX AND DIAMOND RING, CIRCA 1920 image 3
A PLATINUM, JADE, ONYX AND DIAMOND RING, CIRCA 1920 image 4
A PLATINUM, JADE, ONYX AND DIAMOND RING, CIRCA 1920 image 5
PROPERTY FROM THE ALAN AND SIMONE HARTMAN COLLECTION
Lot 50¤

A PLATINUM, JADE, ONYX AND DIAMOND RING, CIRCA 1920

26 September 2025, 10:00 PDT
Los Angeles

Sold for US$8,960 inc. premium

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A PLATINUM, JADE, ONYX AND DIAMOND RING, CIRCA 1920

Featuring an oval cabochon jade, flanked by bands of carved onyx and old mine-cut diamonds weighing approximately 0.75 carat, with partial maker's mark or assay mark, size 5 1/2

Footnotes

Accompanied by GIA Report 2231681620, dated August 21, 2025, stating the jade as Natural Jadeite with no indications of dye or impregnation - Type 'A' jade of Burma (Myanmar) origin; known in the trade as "Fei Cui."

OVERALL CONDITION:
Metal tested with XRF (X-ray fluorescence) for platinum; cabochon jade is loose but secure in setting; superficial wear in the form of minor scratches; overall good condition.

MAJOR COLORED GEMSTONE: jade
Approximate Dimensions: 17.84 x 12.05 x 5.54 mm
Clarity: translucent
Hue: slightly mottled green

DIAMONDS: old mine-cut
Approximate total number: 10
Approximate total weight: 0.75 carat
Approximate overall color and clarity: H-I-J, VS-SI

ACCENT GEMSTONE: onyx

ADDITIONAL INFORMATION
Approximate gross weight: 6.9 grams

This condition report is provided for your convenience based on the opinion of our gemologists. Bonhams is not responsible for any discrepancies between this information and other opinions.

Additional information

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