1910s 2.31 Carat Diamond and Platinum Solitaire Ring

Buyer Protection Guaranteed


A stunning, fine and impressive antique 2.31 carat old cut diamond solitaire ring in platinum; part of our antique jewelry and estate jewelry collections

This fine antique diamond solitaire ring has been crafted in platinum.

The ring displays a 2.31 carat old cut diamond held in pierced decorated basket style setting.

The stunning Old European round cut diamond is held in six feature paired claws, two of which integrate into the tapering pierced decorated elevated ring shoulders.

The shoulders blend seamlessly with the plain platinum shank, hallmarked to the interior with the platinum guarantee mark (PLAT).

This fully original 1910 solitaire ring is supplied with an independent diamond grading certificate.

Diamond Quality

Color I
Clarity SI 2
Cut Old European round
Content 2.31 carats
Dimensions 7.92mm x 7.55mm x 4.84mm

If you would like to view a copy of the diamond grading certificate, please contact us, providing your email address, and a PDF file will be sent.


Height of setting 6.12mm/0.24"

Ring Size

UK Size M
USA Size 6

The ring size may be professionally adjusted on request to meet your personal requirements.

Bespoke Service

If you would prefer to have this diamond mounted in a setting / ring shank of your choice in either platinum or gold, please contact AC Silver with details of your preferred option, providing images, a drawing, or the SKU of any ring already displayed on our website, to enable us to meet your requirements.

Date: Circa 1910

Video: A video of this fine piece is available upon request

Reflections in photographs may detract from the true representation of this fine example of antique jewelry/estate jewelry.

AC Silver item Ref. SKU: A1407
Date of Manufacture
Circa 1910
Excellent. This antique solitaire ring is fine quality, set with a high color graded old cut diamond. The ring is a very good gauge of platinum and in excellent condition with a very clear hallmark..
0.24 in. H
1 cm H
Dealer Location
Jesmond, United Kingdom
Number of Items
Reference Number
AC Silver
35B St Georges Terrace
Jesmond Newcastle Upon Tyne NE2 2SU
+44 3333441849
1stdibs Dealer since 2015 Located in Jesmond, Newcastle Upon Tyne
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