Diamond & Gem Information

• The 4 Cs of diamond buying
• Gemstone Care & Handling Tips
• Birthstones

Information by Gemstone

View information by stone type or use the quick links at the bottom of the page:

Jewelry Education

T. Simon Jewelers is a proud member of the Jewelers of America (JA) and the Gemological Institute of America (GIA). They provide this valuable and educational information for buying fine jewelry, diamonds and gems. Feel free to view gemstone information on this page and to learn more about the quality products that T. Simon Jewelers brings to its customers.

Gemstone Quick Links

Alexandrite | Amethyst | Ametrine | Aquamarine | Citrine | Diamond
Emerald | Garnet | Iolite | Onyx | Opal | Pearl | Peridot | Quartz | Ruby
Sapphire | Spinel | Tanzanite | Topaz | Tourmaline | Zircon