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2. Diamond (gemstone) - Wikipedia

   en.wikipedia.org/wiki/Diamond_(gemstone)

   Because of this, diamond prices (particularly among wholesalers and other industry professionals) are often quoted per carat, rather than per stone. Total carat weight (t.c.w.) is a phrase used to describe the total mass of diamonds or other gemstone in a piece of jewelry, when more than one gemstone is used. Diamond solitaire earrings, for ...

3. List of U.S. state minerals, rocks, stones and gemstones

   en.wikipedia.org/wiki/List_of_U.S._state...

   In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County. [80] ^ Colorado is the only state whose geological symbols reflect the national flag's colors: red (rhodochrosite), white (yule marble), and blue ...

4. Gemological Institute of America - Wikipedia

   en.wikipedia.org/wiki/Gemological_Institute_of...

   Website. www .gia .edu. The Gemological Institute of America ( GIA) is a nonprofit institute based in Carlsbad, California. It is dedicated to research and education in the field of gemology and the jewelry arts. [1] Founded in 1931, GIA's mission is to protect buyers and sellers of gemstones by setting and maintaining the standards used to ...

5. As gold prices fluctuate, here's how jewelers are using ...

   www.aol.com/finance/gold-prices-fluctuate-heres...

   The U.S. Census Bureau reports that just under 16% of all retail sale transactions were made online in the first quarter of 2024, compared to about 7% in 2005. Online jewelry sales are ...

6. Emerald - Wikipedia

   en.wikipedia.org/wiki/Emerald

   Emerald is a gemstone and a variety of the mineral beryl (Be 3 Al 2 (SiO 3) 6) colored green by trace amounts of chromium or sometimes vanadium. [2] Beryl has a hardness of 7.5–8 on the Mohs scale. [2] Most emeralds have many inclusions, [3] so their toughness (resistance to breakage) is classified as generally poor.

7. How to Sell Gold Jewelry When Prices Hit Historic High

   www.aol.com/sell-gold-jewelry-price-nears...

   July 13, 2022 at 11:00 AM. Gold prices are expected to hover around $1,800 per ounce for summer 2022. That’s down slightly from a record high earlier this year, but still tops typical prices ...