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Fine Jewelry University Articles matching: “London blue topaz white gold”
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Fine Jewelry University (Show All FJU Articles)
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Diamond Buying Guide: The 4 C’s
…choose to go down a color grade to allow you to buy a larger diamond for the same price. Or, you may want to get the whitest diamond possible to outshine your friends when you put them side-by-side. It’s all about discovering what’s most …. While natural fancies can be very rare and extremely expensive, we now have the technology to permanently color a white diamond to almost any color you can imagine. You can read more about fancy diamond colors here. Clarity Most diamonds…
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How Are Lab Grown Diamonds Made?
… the imagination of scientists and visionaries alike. Just like the alchemists of old who sought to turn lead into gold, many have tried to achieve this impressive feat. We have only recently been able to produce gem quality, lab grown … gems. This is because even the smallest presence of nitrogen or boron during the process can result in a yellow or blue color respectively. Both HPHT and CVD diamonds tend to exhibit strong and unusual fluorescence characteristics when …
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Gem in the Spotlight: Amethyst
… deposits in other countries such as Russia, the United States, and Canada. Amethyst is known for its durability with a Mohs hardness rating of 7. For reference, amethyst is roughly as hard as tourmaline, softer than sapphire and topaz, and harder than opal and tanzanite. This makes it a durable gemstone that is resistant to scratching and chipping. It is also resistant to heat and chemicals which means that it can withstand daily wear and tear. Amethyst has the same …
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Gem in the Spotlight: Pearl
…iridescent rainbow colors that shimmer on or just below a pearl’s surface). Pearls come in a range of colors, from white to black, with many shades in between. The most valuable pearls are those with a pure, even color, such as white, pink…French Polynesia. They are known for their dark, rich colors, which range from dark green and gray to deep shades of blue and black. Tahitian pearls are generally large with an average size of 9mm to 18mm, and they commonly have baroque …
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The Magic of Polarized Light
…, darken skies, and cuts out glare to help improve photo quality. Some filters can even be rotated on the lens to selectively see through the surface of water or only capture the reflection. Modern 3D movies: Unlike old school red and blue 3D movies, modern 3D uses two images along with a pair of glasses that have polarizing filters for lenses. This tricks your brain into thinking you are seeing a three-dimensional object using our perception of depth. Liquid crystal …
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Caring for and Cleaning Your Jewelry
… use chlorine or products that contains it. Don’t use a hard toothbrush because they tend to scratch the metals (gold, platinum, etc.). Abrasive cleaners and toothpaste or toothpowder will also scratch the metals. This will take away the …Hardness is related to the Mohs hardness scale. Diamond is the hardest at 10. Talc is listed as 1 the softest. Pure gold (24 karat) is Mohs 2.5, 14 and 18 karat list at Mohs 3. Platinum list at Mohs 4.33. Sterling silver list at Mohs 2.5…
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Learn Secret Diamond Buying Skills From a Professional Diamond Buyer
… transparent. The scale then moves down the alphabet to the next level of less transparency color. D to F are colorless grades, G-J are near colorless, K-M faint yellow on down the scale to more inner color. Colorless is also called white. The key to judging color is a master. Master sets cost a lot of money and only make sense for the diamond professional to own. The secret for the diamond buyer is have your own color grading master stone. If you own a diamond bring it …
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The History of Diamond Cuts
… Round Brilliant Cut Now, we are nearing the end of our journey through the history of diamond cuts. The modern round brilliant cut is a product of math and science. Marcel Tolkowsky analyzed diamond brilliance in the way they take white light and break it into its spectral hues and direct it to impress the wearer. Tolkowsky’s calculations serve as the basis for the modern round brilliant. Since its creation subtle and not so subtle variations on the round brilliant have…
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Brands and Designer Jewelry
… brand jewelry must keep its promise to the customer to deliver a superior product. This is a no compromise area. The jewelry must meet the most stringent of quality standards. Jewelry brands must use quality metals (like high-karat gold and platinum), first-rate gems, and highly skilled jewelers to meet their obligation. Status When a jewelry brand reaches a level of excellence in style and quality of workmanship it attains a level of status. Brands like Tiffany & …
