Platinum
- Platinum is more expensive than gold, usually more than 200% of the price of gold.
- Platinum is the rarest of all metals, it is 30 times less common than gold.
- Platinum, pure, a silver-white metallic element occurring worldwide.
- Platinum's wear and tarnish-resistance features are well suited for fine jewelry.
- Platinum is used in jewelry, laboratory equipment, electrical contacts, dentistry, and
automobile emissions control devices.
Gold
Karat (
K or
k ) is a unit for measuring the fineness of gold. Pure gold being 24
karats fine.
- 10K gold contains 10 parts gold and 14 parts of one or more additional metals, making it 41.7% gold.
- 10K gold is the minimum karat that can be called gold in the United States.
- 12K gold contains 12 parts gold and 12 parts of one or more additional metals, making it 50% gold.
- 14K gold contains 14 parts gold and 10 parts of one or more additional metals, making it 58.3% gold.
- 18K gold contains 18 parts gold and 6 parts of one or more additional metals, making it 75% gold.
- 24K gold is pure gold.
Pure gold is too soft to be used for jewelry, other metals are mixed with gold to make it more durable and to
lower its cost.
White Gold Alloys
- Nickel is mixed with gold to create a white or gray color.
- Palladium is mixed with gold to create white gold alloys.
Rose and Pink Gold Alloys
- Copper is mixed with gold to make gold colored alloys.
- Additional copper added creates pink and rose colors.
Green Gold Alloys
- Silver is mixed to gold to create green gold alloys.
Gemstones
Carat (
ct or
CT ) is a unit of mass used for measuring gemstones and pearls, and is exactly 200 milligrams
Gemstones:Achroite, Agate, Alexandrite, Amazonite, Amber, Amethyst, Ametrine, Andalusite, Apatite, Aquamarine, Aventurine, Benitoite, Beryl, Bloodstone, Brazilianite, Cairngorm, Carnelian, Chrome Diopside, Chrysoberyl, Chrysolite, Chrysoprase, Citrine, Cordierite, Demantoid Garnet, Diamond, Dichroite, Dravite, Emerald, Garnet, Goshenite, Heliodore, Heliotrope, Hessonite, Hiddenite, Indigolite/Indicolite, Iolite, Jade, Jasper, Kunzite, Lapis Lazuli, Malachite, Mandarin Garnet, Moonstone, Morganite, Morion, Onyx, Opal, Peridot, Pleonast, Quartz, Rhodochrosite, Rhodolite, Rubellite, Rubicelle, Ruby, Sapphire, Sard, Scapolite, Schorl, Sinhalite, Sodalite, Spinel, Sugilite, Sunstone, Taaffeite, Tanzanite, Titanite, Topaz, Tourmaline, Tsavorite Garnet, Turquoise, Uvarovite, Verdelite, Violan, Zircon
Diamonds
- Diamonds are not put in rings only, they can be set in necklace, bracelet, ear ring, nose ring, watches,
tie-pins and sandals too.
- Diamonds come in different colors: blue, pink, grey, yellow and colorless.
Diamond Clarity
Clarity in a diamond or gemstone is the absence or presence of flaws inside or on its surface.
- The ideal stone with perfect clarity or clearness is rare.
- Flaws that do exist may not be seen unless the stone is looked at through a jeweler's magnifying loupe.
Fancy Color Diamonds
Diamonds that come in colors of yellows, reds, pinks, blues, greens, purples and all shades
in-between.
- Natural Fancy Color Diamonds
- Trace elements in the diamonds can produce color. Nitrogen creates a yellow diamond.
- Color can result when radiation is present during a diamond's creation. Green diamond hues are the result of radiation.
- Inclusions are undesirable in a colorless stone, but can they contribute unique tones and flashes of color in a fancy color diamond.
- Diamond Color Manipulations
- Irradiation, diamonds treated with radiation, followed by a high heat treatment, can turn brownish and pale yellow diamonds into richly colored diamonds.
- Synthetic Color Diamonds
- Synthetic colored diamonds are produced in a laboratory. Their origins should always be disclosed.
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