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Trade Associations

0.85 ct Diamond and 18 ct Yellow Gold Trilogy Ring - Antique Circa 1920

A fine and impressive antique 0.85 carat diamond and 18 carat yellow gold, platinum set three stone ring; part of our diverse diamond jewellery and estate jewelry collections

SKU: A3608

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0.85 ct Diamond and 18 ct Yellow Gold Trilogy Ring - Antique Circa 1920
0.85 ct Diamond and 18 ct Yellow Gold Trilogy Ring - Antique Circa 1920


This fine and impressive antique diamond ring has been crafted in 18 ct yellow gold with a platinum setting.

The pierced decorated mount displays a central 0.44 ct Old European round cut diamond flanked by two slightly smaller Old European round cut diamonds, all held in a platinum setting.

The elevated ring shoulders integrate into the claw setting and blend seamlessly into the plain hallmarked 18 ct yellow gold ring shank.

The diamond ring is clearly hallmarked to the interior of the shank with the 18 ct gold fineness mark and platinum mark (18ct & plat).

This impressive 1920's three stone ring is supplied with an independent diamond grading certificate for the centre diamond, in addition to an independent diamond grading report card for the supporting diamonds.

View the complete range of engagement rings at AC Silver


This antique trilogy ring is fine quality, set with old cut diamonds.

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

Reflections in photographs may detract from the true representation of this fine and impressive diamond ring.

Diamond Quality

Feature Diamond

Colour G

Clarity SI2

Cut Old European round

Content 0.44 carat

Dimensions 4.57mm x 4.32mm x 3.21mm

Supporting Diamonds

Colour (average grades) G/K

Clarity (average grades) SI2-P1

Cut Old European round

Content (total) 0.41 carat

Total Diamond Content

0.85 carat

If you would like to view a copy of the diamond grading certificate, please contact us, providing your email address, and a PDF file will be sent.


Width across setting 1.30cm/0.51"

Height of setting 4.93mm/0.19"

Ring Size

UK Size R

USA Size 8 5/8

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

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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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NE2 2SU,
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T: +44 (0) 191 240 2645
E: enquiries@acsilver.co.uk
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