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Trilogy Sapphire Ring from 1920s
Trilogy Sapphire Ring from 1920s Sapphire and Diamond Ring Sapphire and Diamond Engagement Ring Sapphire Trilogy Ring Sapphire Trilogy Engagement Ring Hallmarks for Trilogy Ring Independent Gemstone Grading Card Trilogy Ring Gemstone Certificate Certificate for Trilogy Ring Gemstones Wearing Image for Trilogy Sapphire Ring from 1920s Sapphire Trilogy on the Finger Trilogy Sapphire Ring Being Worn

1.33ct Basaltic Sapphire and 0.88ct Diamond, Platinum Trilogy Ring - Antique Circa 1925


A stunning, fine and impressive antique 1.33 carat Basaltic sapphire and 0.88 carat diamond, platinum trilogy ring; part of our diverse antique jewellery and estate jewelry collections

SKU C7671

This stunning, fine and impressive antique sapphire trilogy ring has been crafted in platinum.

The pierced decorated setting of this 1920s ring displays a feature claw set 1.33ct cushion cut Basaltic sapphire.

The sapphire is flanked on either side a transitional modern brilliant round cut diamond, totalling 0.88ct.

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

The trilogy ring is hallmarked to the interior of the shank with the fineness mark for platinum (PLAT).

This impressive antique ring is supplied with an independent diamond grading report card, in addition to a sapphire report card and certificate supplied by the Gemmological Certification Services, London*.

NOTE: * This documentation accredits the sapphire originating in Basaltic deposits and certifies that the gemstone shows no indication of heat treatment; non-heated sapphires 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 within this impressive piece of sapphire jewellery.

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

The impressive high colour graded diamonds display a fine white colour and brilliance.

The setting has been professionally strengthened; this does not detract from the aesthetically pleasing appearance of the piece.

This trilogy ring is an excellent gauge of platinum and is in excellent condition.

The hallmark to the interior of the shank has wear in keeping with age and location.

Reflections in photographs may detract from the true representation of this fine trilogy sapphire ring from the 1920s.

Origin Basaltic

Colour Blue

Cut Cushion

Content 1.33 carats

Dimensions 6.07mm (length) x 5.39mm (width) x 3.80mm (depth)

Colour (average grades) G

Clarity (average grades) VS2

Cut Transitional Modern Brilliant Round

Content 0.88 carat

Number of Diamonds


Width of setting 7.33mm/0.29"

Height of setting 5.22mm/0.21"

UK Size J

USA Size 4 5/8

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

2.86 grams

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Proud Members of

International Federation of Art and Antique Dealer Associations CINOA
National Association of Jewellery UK's trade association NAJ