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Fine Jewelry University Articles matching: “White gold highest carats”

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Fine Jewelry University (Show All FJU Articles)

  1. Learn Secret Diamond Buying Skills From a Professional Diamond Buyer

    … grades are if, under magnification, you have to look hard to find anything. You are looking at a nice diamond. The highest grade diamonds are when you can’t find anything under magnification even when the professional shows you where to …very small units of weight. A carat equals 1/5 of one gram. An illustration of the weight is that it would take 12½ carats to equal the weight of one penny. Diamonds are even weighed accurately at fractions of a carat. Remember, the …

  2. Platinum

    … Platinum and its use in jewelry. Platinum is one of the rarest and most durable precious metals. Platinum’s rich, white luster enhances the brilliance and will maintain its shining luminosity forever, unlike other white metals which can, … to tarnishing and discoloration due to chlorine and other chemicals. These factors, along with its strength and white luster, have made platinum an increasingly popular choice for jewelry, either on its own or as the setting for diamonds …

  3. Collection of loose and mounted quartz gems of various types

    Gem in the Spotlight: Quartz

    …uncut until 2009 due to the the difficulty of faceting such a large stone. Finished, this flawless gem weighs 20,200 carats (just under 9 pounds) and has dimensions of 200mm x 150mm. In 2012 the stone disappeared from the public eye due to …Matrix Quartz is probably the one that you have seen the most. It is a beautiful stone that commonly features a rich white base color with veins of vibrant yellow gold. Crystal Name Color Aventurine Translucent with small green platelet …

  4. Early attempts at making lab grown diamonds

    How Are Lab Grown Diamonds Made?

    …, 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 … of these advantages, the largest known, polished lab grown CVD diamond as of the time of this writing is only 3.23 carats; it was graded as I color and VS2 clarity. Intense research is ongoing around the world into the field of Chemical …

  5. Opal Rings With Loose Opal Gemstones

    Gem in the Spotlight: Opal

    … renowned for its extraordinary play of colors and its rarity. This opal is quite large, weighing approximately 180 carats (36 grams) and measuring 3 x 1.8 inches long. Its size and quality make it an exceptionally valuable gemstone. Care … can be applied to opals to alter their appearance. By far the most common is “sugar” or “smoke” treating a white opal to give it a darker body color. This is a simple treatment that involves placing the stones in a sealed environment …

  6. Three loose rubies in a row triangle oval and pear shaped

    Gem in the Spotlight: Ruby

    … the most expensive ruby in the world, it is the most expensive colored gemstone in the world. Weighing in at 25.59 carats, this ruby may not be the largest ruby ever found, but its color and cut is unrivaled. It is the most famous ruby, …in Myanmar. The Sunrise Ruby was eventually set by Cartier into a ring along with two diamonds weighing a total of 5 carats. In 2015, Sotheby’s put the ring up for auction where it sold for a record setting $30.42 million dollars to an …

  7. Get more cash for your gold and jewelry from Arden Jewelers

    How to Sell Your Jewelry

    … then advertised or never sold at all. But with some safeguards and timing the classified ad is generally one of the highest prices realized for average estate jewelry. The retail customer is the highest price you could receive for your …are unsure of how to clean the jewelry or gem, let the professionals do it. Here are some cleaning tips. Never clean gold and gems in chlorine. Ammonia based cleaning products are used throughout the jewelry industry, but they can damage …

  8. Evaluating inherited estate jewelry can be tricky

    How to Value Inherited Jewelry

    …an insurance appraisal for replacement purpose. Many people only know of this one type of appraisal. It produces the highest price for jewelry value. It is a theoretical value based on how much it would cost to replace the jewelry item with …No value is added for style, condition, brand, market demand, or other factors. One quick warning, many “cash for gold” businesses do not pay for the gems. So, their offer can be significantly lower than even the intrinsic value of a …

  9. Unique inclusion in a lab grown diamond

    What Are Lab Grown Diamonds?

    … a simulant. Simulants are gems that look like a real, natural gem but are actually another material. So, a clear or white sapphire can be a diamond simulant because it looks like a diamond. That white sapphire can be natural or, here’s …made (natural vs synthetic), but that it is a substitute that looks like another gem. So, we can say that a man-made white sapphire is a “synthetic sapphire” or that it can be used as a “diamond simulant,” but it would be incorrect to say …