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1.80 Carat Natural Loose Colour Change Garnet Cushion Shape Gemstone

$680

$85020% Off

£512.56

£640.7020% Off

€599.51

€749.3820% Off

CA$962.47

CA$1,203.0920% Off

A$979.94

A$1,224.9220% Off

CHF 564.36

CHF 705.4420% Off

MX$11,807.50

MX$14,759.3720% Off

NOK 6,549.39

NOK 8,186.7320% Off

SEK 6,607.93

SEK 8,259.9120% Off

DKK 4,481.07

DKK 5,601.3420% Off

About the Item

Faceted Colour Change Garnet Weight: 1.80 Carat Dimension: 7.6 x 6.2 x 4.2 Mm Treatment: None Certificate: On Customer Demand Shape: Cushion Colour: Brownish Orange to Red Colour-change garnet is one of the rarest and most fascinating varieties of the garnet family, prized for its remarkable ability to shift colours under different lighting conditions. This unique phenomenon occurs because the gemstone absorbs and reflects light differently depending on whether the light source is natural daylight, fluorescent, or incandescent. As a result, a single stone can display two completely distinct colours, making it one of the most collectible garnets in the world. The most common colour shift is greenish to bluish in daylight and reddish to purplish under warm indoor light, although rare stones can show teal-to-raspberry or grey-blue-to-violet transitions. Colour-change garnet is primarily a mixture of pyrope and spessartine, often with traces of almandine. These chemical combinations create the unique crystal structure responsible for its optical magic. Most high-quality stones come from East Africa—especially Tanzania, Kenya, Madagascar, and Sri Lanka. Afghanistan and Pakistan also produce limited but interesting material. Because the supply is unpredictable and deposits are small, fine stones command high market prices and are highly sought after by collectors and high-end jewelers. One of the most important factors determining value is the strength of the colour change. A stone that shows a dramatic, obvious shift—sometimes called a “100% colour change”—is much more valuable than one with a weak or partial change. Clarity also plays a major role; clean stones above one carat are very rare. Jewelry designers love colour-change garnet because it brings versatility and surprise, appearing like two different gemstones depending on the environment. MZ

Creator:
Gilt Gems
Metal:
Other
Stone:
Garnet
Stone Cut:
Cushion Cut
Weight:
1.80 ct
Dimensions:
Width: 0.25 in (6.2 mm)Depth: 0.17 in (4.2 mm)Length: 0.3 in (7.6 mm)
Style:
Arts and Crafts
Place of Origin:
Tanzania
Period:
21st Century
Date of Manufacture:
2025
Condition:
Seller Location:
Peshawar, PK
Reference Number:
1stDibs: LU3328228029862

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