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Collection Gems Co Ltd.,

209, 2nd Floor, Jewellry Trade Center, (JTC)

919, Silom Road, Bangrak

Bangkok - 10500

+66 0 25878464

Thailand

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Buyer's Guide

Our short guides will enable you to make a confident and informed gemstone decision.
Sphene (Titanite) Guide to Citrine Rings: Natural AAAA vs AAA vs AA
Sphene (Titanite)
Peridot (olivine): description, properties, and photo
Peridot (olivine): description, properties, and photo
Opal: description, properties and photo
Opal: description, properties and photo
Quality factors of alexandrite: color, weight and clarity
Quality factors of alexandrite: color, weight and clarity

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