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Fine Jewelry University Articles matching: “Sapphire engagement rings”
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Fine Jewelry University (Show All FJU Articles)
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Types of Jewelry Clasps
… are sturdy and ideal for heavier chains. Ease of Use – They are easier to use than some other styles (e.g. spring rings) because of their size and shape. CONS Size and Bulk – Lobster clasps can be a little bulky and heavy for thin light … trouble working your clasp. We should be able to find a great solution for you. Spring Ring (Circle Clasp) Spring Rings are another very common style of clasp. They are used on virtually every variety of jewelry, and most chains under $…
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The Magic of Polarized Light
…gemstones, due to their unique chemical structure, actually polarize light themselves. These gems are doubly refractive (DR) and they will split incoming light in multiple directions. Some common examples of doubly refractive gems are sapphire, tourmaline, and moissanite. These are contrasted with singly refractive (SR) gems like diamond that only bend light in one direction. Gemologists use the term birefringence to refer to how doubly refractive a particular gem is. By …
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Gem in the Spotlight: Amethyst
… found in smaller 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 …
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Jewelry Repair FAQ
…maintenance can go a long way towards keeping your diamonds from coming out and your jewelry looking great. For most engagement rings, we recommend stopping in every 6 months to a year . If your ring is white gold and rhodium plated, you may … way it did before a gemstone fell out; who wouldn’t? That’s why we have literally 100s of carats of loose diamonds, sapphires, rubies, opals, pearls, and more in all shapes and sizes to choose from when selecting a replacement stone for …
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Gem in the Spotlight: Emerald
… and aquamarine) and are valued for their rich green color. The intensity of an emerald’s hue depends on the presence 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 it a moderately refractive gemstone. Its specific gravity ranges from 2.65 to 2.75. One of the distinctive features of …
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Gem in the Spotlight: Morganite
… it compliments most skin tones and complexions. It is entirely appropriate for everyday wear, and it can be worn as rings, pendants, earrings, necklaces, bracelets, pins, brooches, or whatever else you can think of. Morganite is …
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The Difference Between White Gold and Platinum
…Some manufactures of white gold look light yellow and never achieve the white look. It does not sound like a big problem because if you don’t like the light yellow look of a specific manufacture, then don’t buy it. New white gold rings are usually coated with a hard protective finish of rhodium, a silver-white metal like platinum. The rhodium plating is used to make the white gold look more white. The Rhodium is very white and very hard, but it does wear away eventually…
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Gem in the Spotlight: Opal
…used in jewelry. For reference, here are the Mohs hardness values for some other gemstones you may know: Diamond 10, Sapphire 9, Amethyst 7, and Peridot 6. Turquoise is about as hard as opal, but you would need to consider Pearl or Amber (… that could potentially damage the stone’s surface. For more valuable stones, setting them in a pendant or earrings instead of a ring will help them last as long as possible. With proper care opals can last for generations. Opals have very…
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Gem in the Spotlight: Pearl
… shape and appearance. Mabe pearls are typically used in jewelry designs that require a flat surface, such as earrings, pendants, and rings. Seed Pearls: These are very small pearls, typically less than 2mm in diameter, that are so named …. Storing pearls for long periods can cause them to dry out. So, enjoy them often! Keep in mind though that pearl rings in particular are not intended for everyday wear. Rings take more abuse than necklaces or earrings, so wear your pearls…
