Gemstones May 2026

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

: Evaluated by its hue (the basic color), tone (lightness/darkness), and saturation (intensity). GEMSTONES

: These include Diamond , Ruby , Sapphire , and Emerald . : Many gems are heat-treated to enhance color (e

: Most gems can be cleaned with mild soap and water. However, porous stones like Opal and Pearl require specialized care to avoid damage. Gemstone Buying Guide - Gemfields : These include Diamond , Ruby , Sapphire , and Emerald

Gemstones are often associated with birth months as a popular gift choice. : Garnet February : Amethyst March : Aquamarine April : Diamond May : Emerald June : Pearl / Alexandrite July : Ruby August : Peridot / Spinel September : Sapphire October : Opal / Tourmaline November : Topaz / Citrine December : Turquoise / Tanzanite Identification & Care

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:

While the 4 Cs are famously used for diamonds, they apply differently to colored stones where is the most critical factor.