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| In 1990, Rungsup Diamond Gems Center opened to the public, located on the ground floor of the Mall Shopping Center in Bangkapi. |
| The leading manufacturer in Cubic Zirconia, and all kind of Gems Stones and Semi Precious Stones In Bangkok Thailand. |
| Manufacturer and exporter of gold and silver jewelry, loose colored gem stones, and more. |
| Thai art and craft: handicrafted luxury ornaments by genuine Swarovski crystal bead and pearl: necklaces, chokers, anklets, bracelets, earrings in Thailand. |
| Specialize in blue sapphire, pink sapphire, yellow sapphire, green sapphire, white sapphire, black sapphire, and ruby. |
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