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Fine Jewelry University Articles matching: “Synthetic diamond”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Amethyst
…, amethyst is such an affordable stone today. About 50% of amethysts on the world market are now believed to be synthetic. This is a fairly recent discovery as many low cost, high quality, deeply colored amethysts are now appearing in …so keep that in mind when storing your amethyst jewelry. If you have an amethyst ring or other piece of jewelry with diamonds or other gemstones, you should be careful when cleaning it. You should use a soft brush to gently scrub the …
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Gem in the Spotlight: Ruby
…conditions. Scientists used this fact to build the world’s first functioning laser in 1960 using a flashlamp and a synthetic ruby. This amazing machine demonstrated the concept first described by Albert Einstein over 40 years earlier in 1917. … oxide with a Moh’s hardness of 9. This makes ruby one of the hardest gems commonly used in jewelry second only to diamond (which has a Moh’s hardness of 10) and moissanite (which is in between). Rubies only occur in the color red which …
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Gem in the Spotlight: Emerald
… to the stone that makes the fractures less visible. There are many ways to do this with oiling, natural resin, synthetic resin, silicone, and epoxy being the most. The basic technique involves submerging the stone in the desired liquid (oil, … celebrities have had a fondness for emeralds for many years. Elizabeth Taylor received a 23.46 carat emerald and diamond pendant/brooch from her future husband Richard Burton during the shooting of Cleopatra . She wore the emerald on her …
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How to Sell Your Jewelry
… itself and the condition. Some gems have a higher value then others. A natural ruby is worth many times more then a synthetic ruby. Diamonds are generally more valuable then amethysts. Knowing your gem’s grade and rarity will help with … out right for an immediate transaction. Jewelry brokers are usually found in major cities and include a jewelry and diamond finding service. Pawn shops and secondhand dealers are another type of walk-in and sell option. Most work on a cash …
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Caring for and Cleaning Your Jewelry
How to Clean Jewelry A diamond‘s spectacular beauty is due to its light show. Diamonds make light reflect, show its many colors, and dazzle. To … and lotions add a coating that stops the light show. Dust and dirt stick to the grease and oils creating a lifeless diamond. Cleaning your diamond jewelry at home is simple and rewarding. Use a soft toothbrush and mild soap then rinse … key to diamond cleaning is the underneath side or pavilion. The light needs a clean surface to bounce upward. The diamond may need to be scrubbed several times before all the build up is removed. Some don’ts of jewelry cleaning. Never use …
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Gem in the Spotlight: Topaz
…ht. History and Lore Topaz in its pure form is naturally colorless, clear like a diamond. The famous “Braganza Diamond” was thought to be the largest diamond ever found (prior to the Cullinan Diamond) at 1,680 carats and was set in the Portu… to put coatings on lenses for glasses and cameras. It is also one of the processes that is used to create lab grown diamonds . A thin, multi-colored film is bonded on the surface of colorless topaz to create all the colors you see in Mystic…
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Gem in the Spotlight: Sapphire
… contains several sapphires. One of them, the Saint Edward’s Sapphire, is a large sapphire set in the center of a diamond cross on top of the British Imperial Crown. According to legend, Edward the Confessor, King of the Anglo-Saxons from …, green, orange, and golden yellow are magnificent in any jewelry. See More on Etsy › With the exception of the diamond, which measures 10 on the Mohs scale, sapphire and ruby (9 on the Mohs scale) are the toughest and most durable gemstones…
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Jewelry Repair FAQ
… just the way it did before a gemstone fell out; who wouldn’t? That’s why we have literally 100s of carats of loose diamonds, sapphires, rubies, opals, pearls, and more in all shapes and sizes to choose from when selecting a replacement …the way it used to again. What is retipping, and why do I need it? In a large number of jewelry pieces, the valuable diamonds and gemstones are held in place with prongs. With wear, the tops of these prongs can become worn down. If the …
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How to Value Inherited Jewelry
… lower than even the intrinsic value of a piece. We have even heard of cases where a ring with a one carat diamond and $50 in scrap gold was valued at $50 by these operations. The intrinsic values for the gems are based on the cash wholesale… the gem minus any cost for re-cutting or re-polishing the gem if it is worn or cut in an obsolete style. Intrinsic diamond and gem prices are not readily available like precious metal prices are to the general public. The gold, platinum, …
