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1.75ct Diamond and 18ct Yellow Gold Trilogy Ring - Vintage 1977

A fine and impressive 1.75 carat diamond and 18 carat yellow gold three stone dress ring; part of our diverse vintage jewellery and estate jewelry collections

SKU: C4170

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1.75ct Diamond and 18ct Yellow Gold Trilogy Ring - Vintage 1977 Video
1970s Diamond Trilogy Ring
1.75ct Diamond and 18ct Yellow Gold Trilogy Ring - Vintage 1977


This fine and impressive diamond trilogy ring has been crafted in 18ct yellow gold.

The pierced decorated, 18ct yellow gold claw setting displays a central 0.84ct Old European cut diamond.

The central diamond is flanked on either side by a 0.43ct and a 0.48ct Old European cut diamond.

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

This 1970s diamond trilogy ring is hallmarked to the interior of the shank with the maker's mark (LAW), 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.

View the full range of diamond engagement rings at AC Silver

AC Silver
Date: 1977


This impressive vintage 1970s diamond trilogy ring is fine quality set with very well colour graded diamonds, displaying a fine white colour, brilliance and presence.

The central diamond has a slight loss to the girdle, this being visible under the magnification of a jeweller's loupe, and has been priced accordingly.

The ring is a very good gauge of gold and is in excellent condition, with very 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 G

Clarity VS2

Cut Old European

Content 0.43 carat

Dimensions 4.60mm x 4.59mm x 3.47mm

Diamond Two

Colour G

Clarity P1

Cut Old European

Content 0.84 carat

Dimensions 6.07mm x 5.89mm x 3.86mm

Diamond Three

Colour G

Clarity P1

Cut Old European

Content 0.48 carat

Dimensions 4.99mm x 4.91mm x 3.30mm

Total Diamond Content

1.75 carats


Length of setting 1.67cm/0.66"

Width of setting 6.95mm/0.27"

Height of setting 5.19mm/0.2"

Ring Size

UK Size L

USA Size 5 1/2

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


3.71 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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