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0.70 ct Sapphire and 0.75 ct Diamond, 18 ct Yellow Gold Trilogy Ring - Vintage Circa 1950

A fine and impressive vintage 0.70 carat natural blue sapphire and 0.75 carat diamond, 18 carat yellow gold and platinum set three stone twist ring; part of our diverse vintage jewellery and estate jewelry collections

SKU: A5065

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0.70 ct Sapphire and 0.75 ct Diamond, 18 ct Yellow Gold Trilogy Ring - Vintage Circa 1950 Video
Sapphire and Diamond Three Stone Ring
0.70 ct Sapphire and 0.75 ct Diamond, 18 ct Yellow Gold Trilogy Ring - Vintage Circa 1950


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

The twist design mount displays a feature platinum set 0.70 ct round mixed cut natural blue sapphire.

The sapphire is flanked to either side by a platinum set transitional modern brilliant round cut diamond collet set diagonally on a twist, completing the trilogy design.

The tapering platinum set curving ring shoulders integrate into the main design and have a clearly defined junction with the plain 18 ct yellow gold ring shank.

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

This impressive trilogy twist ring is supplied with two independent diamond grading certificates for the diamond in addition to an independent diamond grading report card for the sapphire.

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 complete range of trilogy rings at AC Silver
AC Silver


This impressive vintage dress ring is fine quality set with a natural blue sapphire and round cut diamonds.

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

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

Sapphire Quality

Colour Natural blue

Cut Round mixed

Content 0.70 carat

Dimensions 5.27mm x 2.95mm

Diamond Quality

Diamond One

Colour K

Clarity VS2

Cut Transitional modern brilliant round

Content 0.36 carat

Dimensions 4.27mm x 2.78mm

Diamond Two

Colour J

Clarity SI1

Cut Transitional modern brilliant round

Content 0.39 carat

Dimensions 4.52mm x 2.75mm


Total Diamond Content

0.75 carat


Width of setting 1.6cm/0.62"

Height of setting 5.35mm/0.21"

Ring Size

UK Size M 1/2

USA Size 6 1/4

The ring size may be professionally adjusted 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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