Lab Sees Increasing Number of Large HPHT-Treated Type IIa Diamonds One Dapper Diamond Pale Pink Diamonds, Coated Fancy Pink Intense Purplish Pink HPHT-Grown/Treated Synthetic Diamond Large (4+ ct) Yellow-Orange HPHT-Grown Synthetic Diamond Silicon-Vacancy Defect Found in Blue HPHT-Grown Synthetic Diamond Three Melee-Size Synthetic Diamonds Artificial Metallic Veining in Manufactured Gem Materials A Rare Natural Green Pearl Rock Containing Richterite and Sugilite Lead Glass-Filled Ruby Damaged During Jewelry Repair Natural Sapphire with a Sapphire Inclusion Synthetic Spinel and Synthetic Ruby Doublet To view the full section, download the PDF above.
Lab Sees Increasing Number of Large HPHT-Treated Type IIa Diamonds One Dapper Diamond Pale Pink Diamonds, Coated Fancy Pink Intense Purplish Pink HPHT-Grown/Treated Synthetic Diamond Large (4+ ct) Yellow-Orange HPHT-Grown Synthetic Diamond Silicon-Vacancy Defect Found in Blue HPHT-Grown Synthetic Diamond Three Melee-Size Synthetic Diamonds Artificial Metallic Veining in Manufactured Gem Materials A Rare Natural Green Pearl Rock Containing Richterite and Sugilite Lead Glass-Filled Ruby Damaged During Jewelry Repair Natural Sapphire with a Sapphire Inclusion Synthetic Spinel and Synthetic Ruby Doublet To view the full section, download the PDF above.
