BANGKOK · EST. 1992

Where Colour
Becomes Legacy.

Fine coloured gemstones, shaped by nature and carried forward through generations.

Explore Collection Discover our story

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FINE COLOURED GEMSTONES
BANGKOK · THAILAND

The collection

New arrivals,
chosen with care.

CWG1001 4
Brazil Untreated
Unicorn Bicolor Tourmaline
29.37 ct Octagon$14,685$500/ct
CWG1002 3
Mozambique Untreated
Tricolor Watermelon Tourmaline
22.33 ct Octagon$6,699$300/ct
CWG1003 3
Tanzania Heated
Royal Blue Tanzanite
22.75 ct Square$7,962.50$350/ct
CWG1004 3
Nigeria Untreated
Fuchsia Pink Tourmaline
23.35 ct Cushion$5,837.50$250/ct
CWG1005 2
Namibia Untreated
Fanta Spessartite Garnet
6.39 ct Cushion$2,236.50$350/ct
CWG1006 3
Madagascar Untreated
Green Sphene Heart
26.85 ct Heart$6,712.50$250/ct
CWG1007 2
Madagascar Untreated
Golden Sphene
18.32 ct Cushion$3,297.60$180/ct
CWG1008 3
Mogok, Burma Untreated
Mauve Pink Spinel
5.94 ct Fancy elongated hexagon$2,970$500/ct
CWG1010 2
Mogok, Burma Untreated
Vivid Red Spinel
2.66 ct Octagon$2,660$1,000/ct
CWG1011 2
Madagascar Untreated
Chrome Green Sphene
13.60 ct Oval$2,720$200/ct

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Meet us in Bangkok

Find us where the trade comes together.

We look forward to being part of the 75th Bangkok Gems & Jewelry Fair. Come and talk colour, cut and character with the Colour World Gems team, or book a time to see stones in person.

Bangkok Gems and Jewelry Fair, 23 to 27 February 2027, Queen Sirikit National Convention Center, Bangkok

Dates23 to 27 February 2027
VenueQueen Sirikit National Convention Center, Bangkok
The fairThe 75th Bangkok Gems & Jewelry Fair

Arrange a meeting See the fair details

Since 1992

Three decades. One family legacy.

Colour World Gems was founded in Bangkok in 1992 by Mohamed Sirajudeen. The business grew through a family tradition centred on coloured gemstones, knowledge, trust and long-standing relationships.

Meet the family

1992
Founded in Bangkok, Thailand, by Mohamed Sirajudeen
Today
Carried forward by the second generation, Adam and Fahim

The nature of colour

Some colours
cannot be replicated.

Trusted by collectors

0+
reviews.

Read verified feedback directly on the platforms where our clients shop and visit us.

“To share one's true passion is rare. What is even rarer is to find someone on eBay that is honest and truthful. Everything is as described.”

Verified eBay buyer · Moonstone

“The item arrived quickly and was exactly as pictured. Recommended seller AAAAA+++++”

Verified eBay buyer · Blue Tourmaline

“Beautiful stone. Seller was responsive and the merchandise shipped quickly and securely.”

Verified eBay buyer · Zultanite

“Great looking gemstone! FAST and secure shipping. eBay seller is A++++++”

Verified eBay buyer · Spinel

“Fantastic stone from this trusted seller, great communication, perfect transaction.”

Verified eBay buyer · Tourmaline

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Explore our collection of carefully selected coloured gemstones.

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