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Unheated Ruby Engagement Ring
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1.70ct Thai Ruby and 0.70ct Diamond, 18ct White Gold Cluster Ring - Vintage Circa 1950

£7,950.00

A stunning, fine and impressive vintage 1.70 carat Thai ruby and 0.70 carat diamond, 18 carat white gold and platinum set cluster ring; part of our vintage jewellery and estate jewelry collections

SKU C5810

This stunning, fine and impressive vintage ruby ring has been crafted in 18ct white gold with a platinum setting.


The pierced decorated frame is ornamented with a stunning central feature claw set 1.70ct cushion cut Thai ruby.


The feature ruby is encircled by fourteen impressive transitional modern brilliant round cut diamonds, each collet set within a millegrain decorated frame.


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


The vintage dress ring is hallmarked to the interior of the shank with the mark for platinum (PLAT) and the fineness mark for 18ct gold (18CT).


This impressive unheated ruby engagement ring is supplied with an independent diamond grading report card.


This stunning vintage ruby ring is supplied with a ruby report card and certificate supplied by the Gemmological Certification Services, London*.


NOTE: * This documentation accredits the ruby originating in Thailand (Siam) and certifies that the gemstone shows no indications of heating; non-heated rubies are a scarcity.


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.


Learn more on the types of rubies


This Thai ruby and diamond ring is excellent quality, set with a stunning Thai ruby displaying fine colour brilliance and presence.

The impressive, well colour matched and high colour graded supporting diamonds display a fine white colour and brilliance.

The unheated ruby engagement ring is an excellent gauge of gold platinum and is in excellent condition, with clear hallmarks to the interior.


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


Origin Thailand (Siam)

Cut Cushion

Content 1.70 carats

Dimensions 7.40mm x 7.30mm x 3.40mm


Colour (average grades) G

Clarity (average grades) SI1

Cut Transitional Modern Brilliant Round

Content 0.70 carat


Width of setting 1.27cm/0.5"

Height of setting 5.31mm/0.21"


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.


3 grams


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