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Fine Jewelry University Articles matching: “Process cut 2 carat solitao”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Emerald
… from a hexagonal core. This distinctive pattern is believed to form due to interruptions in the crystal growth process, allowing impurities such as black carbon to infiltrate the structure in a hexagonal pattern, characteristic of emerald’s… structure. Hollywood 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 …
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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 … clean, or free of imperfections a Diamond is. The GIA standard for the clarity scale consists of: FL, IF, VVS1, VVS2, VS1, VS2, SI1, SI2, ???, I1, I2, I3 The SI3 was born out of the desire of the Diamond Industry to incorporate an …
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How to Clean Pearl Jewelry
… one pearl may become lost. Any dirt that has become caught around the knots should be removed with a toothpick very carefully. Pearls should be dried on a lint-free towel, laying them on an absorbent towel should hasten the drying process. If the pearls are worn frequently, they should be re-strung on a regular basis and they should always be strung on silk. It may deteriorate faster, but it will not attract dirt or grime as quickly and it will not stretch. Pearls should …
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Measuring Gold 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 … them both to a uniform system. A gram or gramme is a standard metric unit of mass. An avoirdupois ounce converts to 28.34 grams approximately. The troy ounce is 31.1 approximately. You say, “Aha! Gold weigh more, so a pound of gold …
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What Are Lab Grown Diamonds?
… to grow single crystal diamonds. The first and oldest is the High Pressure High Temperature (HPHT) technique. This process starts with a seed of diamond material and grows a full diamond just like nature does under extremely high pressure … temperature. The newest way to grow synthetic diamonds is the Chemical Vapor Deposition (CVD) technique. In the CVD process, a chamber is filled with a carbon rich vapor. Carbon atoms are extracted from the rest of the gas and deposited on …
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Gem in the Spotlight: Topaz
… gem. The play of rainbow-like colors is definitely unique and enjoyable to see. A relatively new treatment process called Chemical Vapor Deposition (CVD) has been developed to create this additional color of topaz. This is the same … “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 Portuguese crown jewels as such. It wasn’t until many years later that more modern testing identified …
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How to Value Inherited Jewelry
…: the jewelry value standard and everyone understanding. Integrity and transparency are also crucial to making this process work. For example, if a jewelry item has a replacement value appraisal and that value is used as the estate wholesale…be significantly 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 …
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Gem in the Spotlight: Quartz
… as 300 BC banded agate was found in Sicily, and the ancient Romans set up lapidary (stone cutting) facilities to process these stones and turn them into something beautiful. To this day agates and other varieties of quartz have been staples…quartz, others are exotic like Drusy Quartz. Some quartz material is a dollar per pound while others are $1,000+ per carat. Quartz is a gemstone with surprising variety. The most important reason for this variety is that quartz comes in 3 …
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Jewelry Repair FAQ
… down. If the prongs wear down too much, the stone becomes at risk of falling out of the mounting. Retipping is the process of adding a small amount of metal (usually gold or platinum) to the top of worn down prongs to keep the gemstone … craftsmen there is a good chance we will be able to repair your jewelry. What is Gold Plating? Gold plating is the process of depositing a thin layer of gold onto the surface of jewelry. This is done by immersing the jewelry in a liquid …
