Gemstone enhancements and their disclosure became the most important gemological issue for the jewelry trade in the 1990s. Growing public awareness of treatments and the greater use of sophisticated ...

Pearls are found in the soft tissue of living mollusks, a contrast to most other gemstones that are dug up from deep within the earth. The curative power and the astrological power are quite ...

See reviews below to learn more or submit your own review. Polaris GEM is a manufacturer and seller of street-legal, low-speed vehicles. These all-electric vehicles can last up to 98 miles on a ...

Diamonds and other gemstones are weighed in metric carats: one carat is equal to 0.2 grams, about the same weight as a paperclip. (Don’t confuse carat with karat, as in “18K gold,” which refers to ...

Garnets have been a highly collectible gemstone since prehistoric times, and Arizona is renowned for hosting some of the best specimens. These gemstones are formed as a result of a combination of ...