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Melogems | One of top collectors of melo melo pearlsMelogems | One of top collectors of melo melo pearls
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Categories
  • GEMSTONES (318)
    • EMERALDS (48)
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      • AFRICAN RUBY (39)
      • RAW RUBY (9)
      • VIETNAMESE RUBY (192)
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    • BRACELETS (99)
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    • RUBY QUAN YIN (10)
    • RUBY SMILING STUTUE (49)
    • SAPPHIRE PIXIU (14)
    • SAPPHIRE QUAN YIN (22)
    • SAPPHIRE SMILING STATUE (17)
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  • PEARLS (11)
Recent Posts
  • Obsidian: A Versatile Material for Jewelry and Practical Objects
  • How to Spot a Fake Diamond: 13 Tests to Determine if a Gem is Real or Not
  • Choosing Between Oval and Round Diamonds: Style and Trend Considerations
  • Lab-grown diamond production methods simulate the natural conditions for diamond formation
  • The Jewelry Nomenclature: Unveiling the Terminology and Components of Gem Bracelets and Necklaces
News

How to Spot a Fake Diamond: 13 Tests to Determine if a Gem is Real or Not

Posted on June 17, 2025 by Khánh Hải
how to spot a fake diamond 13 tests to determine if a gem is real or not 3
17
Jun

Learn how to spot a fake diamond with these 13 tests! From thermal conductivity to UV fluorescence, each test is explained in detail to help you determine if a gem is real or not. Plus, tips for diamond shopping!

Continue reading →
Posted in News  |  Tagged Diamond authenticity, Fake diamond, Gem testing Leave a comment
Experience since 1989, MeloGems has extremely rare and beautiful collections of natural melo melo pearls, unheated rubies, spinels, emeralds, spinels.. and more.. We have thousands of business partners & customers in Europe, Japan, USA, Hong Kong, Singapore, Dubai, Vietnam…

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  • Hong Leong Building16 Raffles Quay, Singapore 048581
  • 19891 Beach Bldv, Huntington Beach CA, USA 92648
  • 111 #07-07 Somerset Rd, TripleOne Somerset, Singapore 238164
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Copyright 2025 © Extremely rare and beautiful collections of natural melo melo pearls, unheated rubies, spinels, emeralds, spinels.. and more.
  • GEMSTONES
    • MELO MELO PEARL
    • VIETNAMESE RUBY
    • SAPPHIRE
    • SPINEL
    • EMERALD
    • PEARL
    • AFRICAN RUBY
  • JEWELRY
    • EARRING
    • RING
    • NECKLACE
    • PENDANT
    • PIN
  • OTHER PRODUCTS
    • BRACELET
    • GEMSTONE FISH
    • GEMSTONE BALL
    • GEMSTONE TREE
    • JADE PENDANT
    • JADE PIXIU
    • JADE STATUE
    • QUARTZ CAVE
    • QUARTZ PENDANT
    • QUARTZ FROG
    • RAW RUBY
    • RUBY FROG
    • RUBY PIXIU
    • RUBY QUAN YIN
    • RUBY SMILING STUTUE
    • SAPPHIRE PIXIU
    • SAPPHIRE QUAN YIN
    • SAPPHIRE SMILING STATUE
    • SILVER PENDANT
    • SILVER RING
    • PROMOTION PRODUCTS
  • MELO SHOP
  • MELO BLOG
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