HPHT/CVD
Welcome to Hydray, buy HPHT/CVD laboratory grown diamonds
Gemstone Clarity Chart: Gem clarity is an important factor used to evaluate the quality and value of a gemstone. A perfect stone with perfect clarity or clearness is rare. Gemstone clarity grading has become increasingly important for the sales of gemstones and gemstone jewelry via the internet where customers cannot see the gemstones in person.
Gemstone Clarity Scale - Gemstone Information - GemSelect
White Quartz is a powerful crystal used for universal cleaning at all levels. It can be used to clean up emotional and mental levels as well as living space. This crystal is translucent with a whitish sheen and is sometimes called milk crystal or Milky Quartz. It can be .
2013-11-25 · A mineral crystal contained in a diamond. General trade term for a break in a gemstone, often white and feathery in appearance. A small, concentrated area of crystal distortion; can be white or dark, and might have a thread-like or pinpoint-like .
Diamond: Gemstone type: Diamonds are the hardest type of all the minerals found on earth. It is an allotrop of carbon and is a transparent crystal of carbon atoms that are tetrahedrally bonded. Gemstone characterizes and natural properties: About 150 km .
buy online gems Natural genuine White Diamond gemstone from Thailand gem factory at discount price
Place the gemstone in the valley formed between your middle and fore finger when held together. Place your hand at a distance of how you would normally place your hands, typically 1-2 feet from your eyes. This is the best way to view your gem, as it gives you an idea of .
The History of Amethyst. . It is no surprise that many people love, and constantly seek, the renown and beauty of lovely, crystal clear diamonds. Diamonds have long been the apple of society's eye. However, often in people's lust for diamonds, they overlook the beauty and value of other gemstones.. Someti
2018-1-31 · Both quartz and diamond are beautiful gemstones to use in jewelry but only one makes for the perfect engagement . Take a look at our quartz vs diamond comparison as we'll discuss the similarities and differences in brilliance, hardness, cut, .
2020-10-27 · A variety of clear quartz discovered in Herkimer City, New York is double-terminated, and displays more brilliance than the common rock crystal, earning it the name Herkimer diamond.Herkimer quartz is the most suitable gemstone to be cut as pendant for fine necklaces, rings or earrings; the rest of natural rock crystals is widely cut into beads and worn as beaded necklaces and bracelets.
2 · Quartz's clarity earns it a raw price of around $0.01/carat and a gem price of $1-$7/carat. Amethyst, or purple quartz, is the most valuable variety (can reach $15/carat), but pink, rose, and smokey quartz is also valuable. Clearer, more vibrant, and unbroken specimens are the most valuable quartz. The prices per carat do vary widely ...
We'll introduce you to our diamond clarity chart, which contains information on clarity terminology and explains how professionals grade clarity. We'll also bring together all the Four Cs of gem grading — carat, color, cut, and clarity — and recommend combinations that work well. Diamond with natural crystal inside.
Diamond: Gemstone type: Diamonds are the hardest type of all the minerals found on earth. It is an allotrop of carbon and is a transparent crystal of carbon atoms that are tetrahedrally bonded. Gemstone characterizes and natural properties: About 150 km .
A knot is an included diamond crystal that extends to the surface after cutting and polishing. A knot is visible with a diamond loupe under proper lighting conditions.. Knots sometimes look like slightly raised areas on a facet. The presence of knots may affect the clarity of the diamond.
Smoky quartz crystal is a brownish gray, translucent variety of quartz that ranges in clarity from almost complete transparency to an almost-opaque brownish-gray or black crystal. It is a silicon dioxide crystal. The smoky color results from free silicon formed from the silicon dioxide by natural irradiation.