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Fine Jewelry University Articles matching: “Pur means”
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Fine Jewelry University (Show All FJU Articles)
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How to Value Inherited Jewelry
…more factors the seller may only find a buyer willing to pay $800. This does not change the jewelry value. It simply means that the current owner could only find a willing buyer at that price. So, how can we fairly determine how much a … estimates the price an item would sell to a used jewelry customer. The word “estate” in this context simply means used or pre-owned. When someone chooses to buy a piece of used jewelry, excluding cases of rare or highly sought after …
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How to Tell If a Diamond Is Natural or Lab Grown
…question we get all the time, and it’s not as simple as you might think. First, you have to decide what “real” means. If you are not familiar with lab grown diamonds, you might want to check out our introduction to lab grown and synthetic … or not it is a Type IIa diamond. Type IIa is actually a gemological variant of the diamond that relates to how pure the carbon is that makes up the diamond. In nature, less than 2% of all diamonds are Type IIa, however, most gem quality…
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Gem in the Spotlight: Morganite
… is a relatively new addition with its first recorded discovery occurring in California in the early 1900s. This means you won’t find any tales of ancient kings wearing Morganite on their crowns or other such legends. Morganite’s lore and … it from other pink gemstones. Morganite is commonly heat treated to remove yellow and orange hues and to achieve a purely pink stone. This type of enhancement has an excellent stability rating, and the stone requires no special …
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Gem in the Spotlight: Alexandrite
…’s crystal structure. It absorbs most wavelengths of light very well, only transmitting green and red light. This means that depending on the light source the stone will reflect more of the accent colors of light. Since fluorescent light …
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Fake Diamonds: The Great Diamond Attack
…, and a specific gravity of 3.21. More creative uses of this man made gem are in the pipeline. The Big Bad Synthetic In the gem world we use words with particular meanings. Synthetic is one of those words. Synthetic, in the gem world, means made of the same chemicals (elements) and crystal design as nature but is man made. So, a synthetic diamond is the same chemistry (carbon element) and crystal structure (cubic) as natural diamond but made in a factory. Yes, they can …
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Caring for and Cleaning Your Jewelry
… from touching one another when you wear or store them. Diamonds are crystals that grow with a cleavage plane. This means a sharp blow on a vulnerable spot can chip or break the stone. This does not mean that diamonds are not very durable…. 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…
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Types of Necklace Chains
…, it is easy to see why rope chains are so popular. PROS Durability – The redundant links in a solid rope chain means that even if one or two of the links fail, the chain can still hold together. Flexibility – Rope chains are very flexible… be often be diamond cut which gives them an even more lively and glittering appearance. Diamond cutting on a chain means there are small notches that are cut into the links and brightly polished. These notches will catch and reflect the …
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What to Do When Your Ring Irritates Your Skin
… a change in the skin’s chemical composition. Adding to the confusion, metal allergies can develop at any age. This means that even if nothing changed it is possible to suddenly become allergic to jewelry that you have been wearing trouble… black or green when they wear certain jewelry. One of the most common metal allergies is Nickel which is added to pure gold in many white gold alloys. The Nickel is what makes the gold white, but it can also cause an allergic reaction. …
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Gem in the Spotlight: Quartz
… of Quartz The microcrystalline varieties have a long tradition of being special to people. Microcrystalline means that the stone is made up of smaller crystals and not one big crystal. Sometimes you can see this structure with your naked …fairly hard 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 very well. All quartz has the same refractive index at 1.54-1.55 and is …
