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a large blue stone that is being held by a pair of pliersa blue green tourmaline gemstone on a white surfacea close up of a blue diamond on a white surfacea close up of a person holding a blue diamond in their handa person holding up a card with a picture of a cell phone
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131 - NATURAL COBALT SPINEL – Origin: MAHENGE, TANZANIA – 2.
See original version (French)

Estimate €4,900 - €14,700
Sale commission
Description
NATURAL COBALT SPINEL – Origin: MAHENGE, TANZANIA – 2.61 carats – Colour: COBALT BLUE – Octagonal cut – 11.34 x 8.32 x 6.63 mm - Clarity: VVS - NOT HEATED - NOT TREATED - GFCO Certificate (Swiss Laboratory) AXP17124 Video on request
See original version (French)
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About the sale Special Gemstone Sale – Part Two
Auction location
Auction time 09/06/2026 at 6:00 PM
Pictures credits: Contact the Auction House
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