Gemstones are valued based on the Four Cs - color, clarity, cut, and carat. Precious stones include diamonds, sapphires, rubies, and emeralds. Semi-precious stones are evaluated on their rarity ...

The lesser-known gem is ideal for an escape filled with peace and relaxation. There are also a few things to do, including exploring one of the town’s art galleries, hiking and enjoying a picnic. Plus ...

GIA’s laboratories use advanced instrumentation and research to deliver accurate grading, identification, and origin ...

However, in 1912, the National Association of Jewelers released a list of “modern birthstones” that included only transparent gems (the list that appears above). This was apparently done to ...