Gemstone Durability: Hardness, Toughness and Stability
Durability is more than a number on the Mohs scale. A gemstone's response to scratching, impact, heat, and chemicals involves different properties.
Read article →Buying & Care Guides
Caring for Diamonds and Gemstone Jewelry
Good care begins with knowing the item. Material identity, treatment, condition, and setting all affect the methods suitable for a piece of jewelry.
Read article →Loose Stones and Mounted Jewelry
The way a gemstone is presented can affect what an examination is able to establish. A loose stone and the same stone surrounded by a mounting do not offer identical access.
Read article →Buying a Diamond or Gemstone: A Documentation Checklist
A beautiful stone deserves a clear description. Before making a decision, bring the item, the report, and the seller's statements into the same conversation.
Read article →