- Industry: Fashion
- Number of terms: 4881
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Discovered in Russia in 1830, this mineral has a unique ability to change colors in various lights. It is also traditionally given for the 55th wedding anniversary.
Industry:Jewelry
Cultured pearls are created when tiny irritants are inserted into a mollusk shell. Nacre builds around the irritants over time, resulting in cultured pearls. Most pearls today are cultured. To learn more, visit our Cultured Pearls Guide.
Industry:Jewelry
The highest grading on the clarity scale. A flawless diamond has no inclusions or blemishes visible under 10x magnification.
Industry:Jewelry
Organic gemstones created from layer upon layer of nacre and produced in mollusk shells. Pearls are the traditional anniversary gemstone for the third and 30th year of marriage and the birthstone for June. Today, because of their rarity in nature, most pearls are cultured. For more information, visit our Cultured Pearl Guide.
Industry:Jewelry
The most common form of topaz. Blue Topaz is traditionally used to celebrate December birthdays and the fourth year of marriage.
Industry:Jewelry
Pure gold is 24 Karat, which is too soft for gold jewelry. By combining with copper and silver, yellow gold retains a rich yellow color while increasing its durability.
Industry:Jewelry
An instrument on the watch that measures time and distance to determine speed. Tachymeters are typically used to measure high rates of speed.
Industry:Jewelry
A watch whose timekeeping has been tested and certified for maximum accuracy according to standards set by the Swiss Official Chronometer Control (Contrôle Officiel Suisse des Chronomètres or C.O.S.C.).
Industry:Jewelry
A form of the mineral, corundum, that comes in every color except red. Sapphires and rubies are the second hardest minerals, (diamonds are the hardest). Sapphire is the birthstone of September and the traditional gift for the 5th, 23rd and 45th wedding anniversaries.
Industry:Jewelry
The abbreviation for millimeter; our standard unit of measurement for jewelry dimensions. For an approximate conversion to inches.
Industry:Jewelry
