Skip to main content
A PLATINUM, SAPPHIRE AND DIAMOND RING image 1
A PLATINUM, SAPPHIRE AND DIAMOND RING image 2
A PLATINUM, SAPPHIRE AND DIAMOND RING image 3
A PLATINUM, SAPPHIRE AND DIAMOND RING image 4
PROPERTY FROM THE ESTATE OF PHYLLIS LEIBOWITZ
Lot 1

A PLATINUM, SAPPHIRE AND DIAMOND RING

20 May 2025, 10:00 PDT
Los Angeles

Sold for US$7,040 inc. premium

Own a similar item?

Submit your item online for a free auction estimate.

How to sell

Looking for a similar item?

Our Jewellery specialists can help you find a similar item at an auction or via a private sale.

Find your local specialist

Ask about this lot

A PLATINUM, SAPPHIRE AND DIAMOND RING

Highlighting a cushion-shaped sapphire weighing approximately 4.60 carats, in a surround of baguette and single-cut diamonds, size 6 1/2

Footnotes

Accompanied by GIA Report 5232554706, dated April 18, 2025, stating the Sapphire as natural Corundum of Cambodian origin with No Indications of Heating.

OVERALL CONDITION:
Metal stamped for 18k gold but tests with XRF (X-ray fluorescence) as platinum; superficial wear in the form of minor scratches; overall good condition.

MAJOR COLORED GEMSTONE: sapphire
Approximate Dimensions: 9.69 x 8.94 x 5.89mm
Clarity: slightly included
Hue: blue
Tone: dark

ACCENT DIAMONDS: baguette and single-cut
Approximate total number: 8 baguette and 16 single-cut
Approximate total weight: 0.25 carat
Approximate overall color and clarity: G-H-I-J, SI1-SI2

ADDITIONAL INFORMATION
Approximate gross weight: 4.7 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

Bid now on these items

Chaumet. Pair of yellow gold and diamond earrings Chaumet. Paire de boucles d'oreilles diamants en or jaune

Textured yellow gold, platinum and diamond bracelet Bracelet diamants en or jaune texturé et platine

Jaeger-LeCoultre: yellow gold demi parure Jaeger-LeCoultre: demi-parure or jaune

Mario Bucellati. Yellow gold 'leaf' brooch Mario Bucellati. Broche 'feuille' en or jaune

Bulgari. Pair of white gold and diamond 'Divas' Dream' earclips Bulgari. Paire de clips d'oreilles 'Divas' Dream' diamants en or gris