Gemstones -

: These include Diamond , Ruby , Sapphire , and Emerald .

Gemstones are mineral crystals or organic materials prized for their beauty, durability, and rarity. Whether you are a collector, buyer, or hobbyist, understanding the different varieties and value factors is essential. Core Classifications Historically, gems were split into two main groups: GEMSTONES

: Many gems are heat-treated to enhance color (e.g., Aquamarine and Ruby). These treatments are generally permanent but can make stones more brittle. : These include Diamond , Ruby , Sapphire , and Emerald

: A broad category for all other stones, including Amethyst , Topaz , and Opal . Organic Gems : Non-minerals like Amber , Pearl , and Jet . The "4 Cs" of Gemstone Value Core Classifications Historically, gems were split into two

: The presence of internal "inclusions" or surface blemishes. In colored gems, some inclusions are expected and can even help identify the stone.