3.80ct Sapphire and 1.48ct Diamond, 18ct Yellow and White Gold Trilogy Ring - Antique Circa 1910

GBP 12,045.00

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Object Description

A stunning antique 3.80 carat natural Burmese sapphire and 1.48 carat diamond, 18 carat yellow and white gold trilogy ring; part of our diverse antique jewellery and estate jewelry collections.

This stunning, fine and impressive antique sapphire ring has been crafted in 18ct yellow and white gold.

The ornate two-tone 18ct yellow and white gold scrolling setting displays a central feature 3.80ct octagonal natural sapphire, displaying no signs of heat treatment.

The central diamond is flanked on either side by a 0.66ct and a 0.72ct Old European round cut diamond.

A further four collet set Dutch cut diamonds embellish the design.

The scrolling, elevated and pierced decorated ring shoulders integrate with the main setting and blend seamlessly with the plain ring shank.

This antique sapphire and diamond trilogy ring has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as 18ct gold.

The ring is supplied with two independent diamond grading certificates for the feature diamonds, in addition to a sapphire certificate and report card supplied by the Gemological Certification Services, London.

Images do not always reflect the true colour and brilliance of gemstones and diamonds. The video however provides a truer representation of the actual colour and showcases each stone.

Sapphire Quality
Colour Natural Burmese Blue
Cut Octagonal
Content 3.80 carat
Dimensions 9.10mm x 7.90mm x 5.00mm

Diamond Quality

Diamond One
Colour I
Clarity SI1
Cut Old European round
Content 0.66 carat
Dimensions 5.34mm x 5.30mm x 3.38mm

Diamond Two
Colour J
Clarity SI1
Cut Old European round
Content 0.72 carat
Dimensions 5.67mm x 5.65mm x 3.29mm

Supporting Diamonds
Colour (average grades) H
Clarity (average grades) SI2
Cut Octagonal
Content (total) 1.38 carats

Total Diamond Content
1.48 carats

Length of Setting 1.69cm/0.67″
Width of Setting 9.56mm/0.38″
Height of Setting 4.65mm/0.18″

Ring Size
UK Size M 1/2
USA Size 6 1/4

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

5.30 grams

Object History

Date: Circa 1910

Object Literature


FREE OF CHARGE to all customers – including national and international deliveries.

Dispatch is either the same or next working day once a payment is received.


Insurance cover is provided FREE OF CHARGE for items up to the value of £30,000.

All items are fully insured and sent at the risk of AC Silver.

Complimentary insurance valuation with images and text is provided with your purchase.

Object Condition

This stunning gemstone trilogy ring is exceptional quality set with a natural Burmese sapphire, displaying fine colour, brilliance and presence and no signs of heat treatment.

The ring is an exceptional gauge of gold and is in excellent condition, set with very high colour graded old cut diamonds displaying a fine white colour, brilliance and presence.

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

Object Details

Dealer Opening Times

We are open weekly as follows:

10 - 5
10 - 5
10 - 5
10 - 5
10 - 5
10 - 5

Dealer Contact

+44 (0)191 240 2645
+44 (0)7836 286218

Dealer Location

35b St Georges Terrace
Tyne and Wear

Tel: +44 (0) 191 240 2645

Fax: +44 (0) 191 240 2647

VAT: GB 500 0310 42