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Old Cushion Cut Diamond

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An old cushion cut diamond carries a distinctive soft brilliance shaped by hand before modern machinery standardised gemstone geometry.

£12,000
3+ MONTHS AGO
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Sellingantiques  ·  Guide 1199922026/2027 edition

Old Cushion Cut Diamond

An old cushion cut diamond carries a distinctive soft brilliance shaped by hand before modern machinery standardised gemstone geometry.

Introduction

Old Cushion Cut Diamond

An old cushion cut diamond selection encompasses antique rings, pendants, earrings and bracelets originating from Victorian, Edwardian, Art Deco and mid-century periods. These items pair hand-cut stones with precious metal settings designed to hold gems with rounded corners and higher crowns.

Engagement rings and cluster rings dominate the forms found here. Buyers encounter solitaire, trilogy and halo configurations alongside sapphire, ruby and emerald gemstone accents set within platinum or various gold alloys.

How they were made

Materials and construction

Craftsmen utilised platinum, 18ct yellow gold, 18ct white gold and silver to mount these stones by hand. Metalwork from the Victorian and Edwardian eras frequently combines yellow gold with platinum prongs to secure the central gem.

The cutting process relies on human proportion rather than computer calculation. Facets were polished manually, producing smaller tables and deeper pavilions that capture candlelight differently than modern round brilliants.

From the Sellingantiques archive

Early diamond cutters worked entirely by eye in dim workshops, shaping fire into stone long before electricity reached the bench.

What sets them apart

Variations in standard

Quality rests upon the symmetry of the hand-cut facets and the optical clarity of the diamond. Stones with balanced proportions and lively light return command greater attention from collectors.

The integrity of the original setting also dictates value. Retaining unblemished claw work and original shank dimensions without modern alteration preserves the historical authenticity of the jewellery.

Terms antiques dealers use

The Old Cushion Cut Diamond Glossary

Old mine cut
A vintage diamond shape featuring a roughly square girdle, high crown and small table. This early precursor to the modern cushion cut was fashioned primarily during the nineteenth century.
Solitaire
A jewellery mounting that holds a single central gemstone without secondary accent stones. This setting highlights the individual character of the main diamond.
Trilogy ring
A ring set with three stones arranged in a horizontal row. This form often symbolises the past, present and future.
Cluster ring
A design grouping a central gemstone within a perimeter of smaller surrounding stones. This configuration maximises visual presence on the hand.
Transition cut
A diamond facet style bridging old cuts and modern brilliants, utilised predominantly during the 1920s and 1930s. It retains high crowns while introducing narrower culets.
Questions people ask

Old Cushion Cut Diamond: Frequently Asked Questions

How do I care for antique diamond jewellery?

Clean these pieces gently using warm water, mild dish soap and a soft-bristled brush to remove daily oils from beneath the setting.

Avoid harsh ultrasonic cleaners or abrasive chemicals that might compromise fragile historical settings or softer surrounding gemstones like emeralds.

Can these rings be resized easily?

Most gold and platinum settings can be adjusted by a skilled jeweller who understands antique construction methods.

Care must be taken to preserve hallmarks and structural integrity during the alteration process.

What is the difference between an old mine cut and an old cushion cut?

An old mine cut possesses a squarer outline with a smaller table and a deep pavilion designed for oil lamps and candlelight.

An old cushion cut tends toward slightly more rounded rectangular proportions developed as cutting techniques evolved into the twentieth century.

Are these diamonds certified?

Certain pieces include independent gemological reports detailing colour, clarity and carat weight.

Uncertified items rely on historical context and physical examination to determine their characteristics.

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