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Fine Jewelry University Articles matching: “49 carat emerald”
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Fine Jewelry University (Show All FJU Articles)
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Frequently Asked Question about Jewelry
… reach this level of trust. For more information see our Custom Design page . What are the 4 C’s? The four C’s are Carat Weight, Cut, Color and Clarity. Carat is the weight of a gem. A carat equals 1/5 of one gram. Cut has two components …
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The Birthstones
… term: brilliance, hardness, rarity, antiquity, purity and permanence. Learn more about Diamond May’s Birthstone: Emerald A symbol of love and rebirth, the emerald has been treasured for over 4,000 years. The name for the emerald is derived … “smaragdos”, meaning green stone. Spring and green symbolized faith and fertility. The early Christians valued the emerald as a symbol of resurrection. Emerald was believed to have special powers to improve a person’s psychic abilities and …
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Gem in the Spotlight: Aquamarine
…passed down for generations but this tiara she special ordered from Garrard in 1957. The Gemology of Aquamarine Like emerald, aquamarine is a member of the beryl family (along with morganite, heliodor, and others). Unlike emerald, it is … ever mined was 19 inches long. The largest cut aquamarine is named the Dom Pedro and is an astounding 10,363 carats. It measures 14 inches long and is currently on display in the Smithsonian. Another famous aquamarine is the incredible …
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Art Deco vs. Art Nouveau Style Jewelry
… Machine Age. Precious metals like platinum and white gold alongside rare and valuable gemstones such as diamonds, emeralds, and sapphires, were the materials of choice for Art Deco jewelry makers. The most prevalent diamond cut found in Art… symmetry, bold contrast, simplicity Materials of Choice Silver, semi-precious stones, enamel Platinum, diamonds, emeralds Prominent Designers Louis Comfort Tiffany Cartier, Van Cleef & Arpels Main Diamond Cut Old Mine Cut Old European …
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How Are Lab Grown Diamonds Made?
…. For decades, manufacturers of synthetic gemstones tried growing diamonds like they grew rubies, sapphires, and emeralds. It failed. Then they had the idea to grow diamonds in the lab like they grew in nature. High Pressure High Temperature…, faceted, lab grown diamond has been produced by NDT using the HPHT method with a cubic press. Weighing in at 10.02 carats, this incredible diamond is graded as E color and VS1 clarity. CVD Diamonds Chemical Vapor Deposition (CVD) is a …
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Measuring Gold Weight
… ancient unit which was originally based on the weight of a grain of wheat. The grain is the smallest unit of weight in the avoirdupois, troy, and apothecaries systems. Surprisingly it is identical in all three systems.” 4 grains = 1 carat; 24 grains =1 pennyweight; 480 grains = 1 troy ounce; 15.432 grains = 1 gram. “Although we have stated above that the grain weighed the same in all three of the above systems, there were at least two different grains. The troy system …
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Gem in the Spotlight: Garnet
…shape and color of pomegranate seeds. Garnet is really a group of gemstones. The pyrope, almandine and spessartite are the red – brown to orange sometimes with a tint of violet varieties. The grossular, demantoid and uvarovite are the Emerald green to yellow type. Garnets are beautiful and widely diverse gemstones
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Gem in the Spotlight: Tsavorite Garnet
… in East Africa in the 1960s changed the jewelry world. Here was a gem with the color to rival the most exquisite emeralds and the clarity of the cleanest sapphires, all with the time tested durability of garnet. Tsavorite is a unique form … stones are below two carats. By some estimates, Tsavorite is around 200 times rarer than the much better known Emerald. Gemology Tsavorite’s rarity and beautiful green color reminds one of the other green garnet called Demantoid. Demantoid…
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Gem in the Spotlight: Iolite
…a somewhat soft gem. It is comparable to quartz (Amethyst, Citrine, etc), a little harder than Opal, and softer than Emerald or Topaz. Because of this, some extra care should be taken with your iolite jewelry. Try to avoid wearing it in …, and the United States. In fact, the largest known iolite was found in Wyoming, weighing in at a whopping 24,000 carats (that’s over 10 pounds)! This commonality helps keep the price of iolite very affordable making it an excellent choice…
