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1.45ct Diamond and 18ct Yellow Gold Trilogy Ring - Vintage 1977

An impressive 1.45 carat diamond and 18 carat yellow gold, 18 carat white gold set three stone dress ring; part of our diverse vintage jewellery and estate jewelry collections

SKU: C2665

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1.45ct Diamond and 18ct Yellow Gold Trilogy Ring - Vintage 1977 Video
Hallmarked Three Stone Diamond Ring
1.45ct Diamond and 18ct Yellow Gold Trilogy Ring - Vintage 1977


This fine and impressive three stone diamond ring has been crafted in 18ct yellow gold with an 18ct white gold setting.

The pierced decorated, 18ct white gold claw setting displays a central 0.78ct modern brilliant round cut diamond.

The central diamond is flanked on either side by a 0.35ct and a 0.32ct modern brilliant round cut diamond.

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

The ring is hallmarked to the interior of the shank with the gold guarantee mark (crown), the 18ct gold fineness mark (750), the London Assay Office hallmark (leopard's head) and the date letter for 1977 (c).

This hallmarked three stone diamond ring is supplied with three independent diamond grading certificates.

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.

Find out about the symbolism of trilogy rings at AC Silver

AC Silver
Date: 1977


This impressive vintage trilogy ring is fine quality set with very well colour and clarity graded diamonds, displaying a fine white colour, brilliance and presence.

The ring is a very good gauge of gold and is in excellent condition with clear English hallmarks to the interior of the shank.

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

Diamond Quality

Diamond One

Colour I

Clarity VVS1

Cut Modern brilliant round

Content 0.78 carat

Dimensions 5.97mm x 3.41mm

Diamond Two

Colour I

Clarity VVS2

Cut Modern brilliant round

Content 0.35 carat

Dimensions 4.37mm x 2.57mm

Diamond Three

Colour I

Clarity VVS1

Cut Modern brilliant round

Content 0.32 carat

Dimensions 4.25mm x 3.62mm

Total Diamond Content

1.45 carats


Length of Setting 1.56cm/0.61"

Width of Setting 6.66mm/0.26"

Height of Setting 3.27mm/0.13"

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.


3.54 grams

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Andrew Campbell started trading in antiques during the 1970s. Initially, Andrew lived in the South of England, travelling the country, searching for items of silver to buy. Andrew sold these items at various London markets and antique fairs. Over time, and through selling at a range of venues, Andrew built up a large and diverse customer base from private buyers to national and international trade customers.
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