OGS Antwerp
Live auctions All gemstones
Precious Gemstones
Emerald Ruby Sapphire Tanzanite
Semi-Precious
Amethyst Aquamarine Tourmaline Garnet Topaz & Citrine
Shop by Colour
Blue Gems Green Gems Red & Pink Gems Yellow & Golden Gems
Lots & Parcels
Matched Pairs Wholesale Parcels
Cabochons & Carvings
Sign in

All gemstones

Every stone currently in stock, filterable by weight, size, clarity, colour, cut and origin.

All Single Pairs Lots Faceted Cabochons

2 gems found

Filters

Active filters

Clear all
Gem Type: Tanzanite Type: Single Carat: 3 5

Weight (carat)

Size (mm)

Measured on the stone's largest face dimension.

Under 4 mm 4 – 5 mm 5 – 6 mm 6 – 7 mm 7 – 8 mm 8 – 9 mm 9 – 10 mm 10 – 12 mm 12 – 15 mm 15 mm and up

Clarity

Price (EUR)

Colour

Bi-color Black Blue Brown Golden Gray Green Multicolor Orange Pink Purple Red Turquoise Violet White Yellow

Cut & shape

Oval Round Emerald Cut Pear Cushion Princess Marquise Trillion Radiant Asscher Heart Baguette Octagon Square Hexagon Rose Cut Briolette Cabochon Carved Fancy

Origin

Afghan Brazilian Burmese Ceylon Colombian Mozambican Nigerian Pakistani Tanzanian Zambian

Gem type

Amethyst Aquamarine Citrine Emerald Garnet Kunzite Morganite Peridot Ruby Sapphire Spinel Swiss Topaz Tanzanite Tourmaline

Buying option

Buy now Auction