About the Store    |    Jewelry & Gemstones

Jewelry & Gemstones

• Allergies to Jewelry
• Anniversary List
• Birthstones by Month
• Care of Diamond Rings
• Cleaning of Diamond Rings
• Cleaning Jewelry
• Density of Gold and Other Metals
• Dispersion - "Fire" in Gemstones
• Gold Allows - What is a Carat?
• Hardness of Different Gold Alloys
• Ring Finger Sizing - General Advice
• Ring Finger Sizes - International Conversion Chart
• What is Pink Gold?
• What is white gold and where does it come from?
• Why does jewelry turn skin black?
• Why does white gold turn yellow?
• Zodiac Signs & Stones
• Jewelry
• Jewelry Buyer's Checklist
• Jeweler's Directory/Buyer's Guide


• Diamonds
• Diamond Grading and GIA Style
• About the 4Cs
• How to Buy a Diamond


• Gemstones
• Colored Stone Grading Information
• How to Buy a Gemstone
• American Gem Trade Association (AGTA)
• AGTA Gemstone Information Manual

Zodiac Signs & Stones
Astrology has allocated certain gemstones to each of the zodiac signs. In some cases, these coincide with the same stone as for the monthly birthstone charts, in others they differ.