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Fine Jewelry University Articles matching: “light blue star sapphire ring”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Emerald
… of chromium and vanadium in the crystal structure. Emerald’s Mohs hardness rating is 7.5-8 making it softer than sapphire and harder than amethyst and other quartz varieties. The refractive index of emerald ranges from 1.57 to 1.58, making …, pressure is released back into the chamber and the filler is cured (some cure in ovens and some cure from UV light exposure). History and Lore of Emerald Emeralds have been revered for thousands of years and have been associated with …
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Gem in the Spotlight: Jade
…, and can be taken to a high polish. Nephrite is commonly found in a darker olive green color but can also be very light green, orangey-red, black, and yellowish green. Jadeite can come in many different colors including pink, purple (…: A silicate rich in sodium and aluminum Refractive index: 1.652-1.688 Hardness: 6.5-7 Toughness: Exceptional (only slightly less than nephrite) Specific gravity: 3.3 Simulant and Synthetics Jade Jade has been replicated and imitated over …
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Gem in the Spotlight: Ruby
… arguably the richest history of all gemstones. Gemology of Ruby Rubies are in the corundum gem family along with sapphires. Corundum is an extremely durable form of aluminum oxide with a Moh’s hardness of 9. This makes ruby one of the … from trace amounts of chromium in the crystal structure. If they are too purple or too pink, they are called purple sapphires or pink sapphires, respectively. Since sapphires and rubies are the same gem material, they also share a refractive…
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Anatomy of a Ring
Knowing the different parts of a ring can help you make a better decision when choosing a new ring and it can help you know when your ring may need … ring has a shank. This is the technical term for the band of metal that encircles the finger. There would be no ring without the shank. If the ring has a distinct design feature on the top part, the ring shank is generally said to start … point that the design stops. A jeweler will usually add or remove metal from the bottom of the shank when sizing a ring. This can sometimes be done so well that you would never know it was sized looking at the shank with your naked eye. …
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Gem in the Spotlight: Amethyst
… 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 … with the clergy and was often used in the design of religious objects. It was also believed to have the power to bring about sobriety and was given to people who were struggling with addiction. Wine glasses were even carved out of …
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Types of Jewelry Clasps
…rings) because of their size and shape. CONS Size and Bulk – Lobster clasps can be a little bulky and heavy for thin light weight chains and can be a little more expensive than alternatives. Ease of Use – Yes, this is also listed as a “Pro…tab back to open the clasp and release it to let the clasp close. PROS Weight – Spring Rings are typically small and lightweight and so they don’t weigh down lightweight chains like other clasps can. Simplicity – The overall design and …
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How Are Lab Grown Diamonds Made?
… lab grown diamonds. For decades, manufacturers of synthetic gemstones tried growing diamonds like they grew rubies, sapphires, and emeralds. It failed. Then they had the idea to grow diamonds in the lab like they grew in nature. High …, the 4 Cs are used to grade and price lab grown diamonds. The type of inclusions and the shades of color may be slightly different with each kind of lab grown diamond, but the most important thing is the end result. A G color, SI1 clarity…
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Is a Lab Grown Diamond Right for Me?
… of years under pressure, being refined by processes of the earth before it was discovered and brought to the light. Some of the romance is lost when you compare this to the sterile environment of a modern lab. Should I buy a lab grown …Picking a diamond for your engagement ring is a big decision. For most of us, buying a diamond is a significant financial undertaking, and we want to get it … are conflict free, and you can buy verifiable Canadian diamonds of known origin if you want), it is still reassuring to know that with lab grown diamonds, you can be totally confident that your diamond did not support wars or child labor…
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How to Sell Jewelry on eBay and Other Websites
… from different angles. Think about how you want to present your jewelry. Do you want a detailed description, or light beautiful statement, or a story? You must have a way for them to buy and return without losing the money or jewelry. An …’t be discouraged if it does not sell the first time. The timing may not be right. I know of people who put the same ring up a dozen times before it sells. Patience is needed with online sales, but remember to add this into the price you …
