Navigating the jewelry world becomes much easier when you understand the terminology. This comprehensive glossary covers the most important terms you will encounter when shopping for fine jewelry.
Gemstone Terms
- Carat (ct) — Unit of weight for gemstones. One carat equals 0.2 grams. Not to be confused with karat (gold purity)
- CTW (Carat Total Weight) — The combined weight of all gemstones in a piece, not just the center stone
- Clarity — The degree to which a gemstone is free from inclusions (internal) and blemishes (external)
- Cut — How well a gemstone has been shaped and faceted. Affects brilliance and sparkle. See our gemstone shapes guide
- Brilliance — White light reflected from a gemstone. Round brilliants maximize this quality
- Fire — The rainbow-colored flashes seen when light disperses through a gemstone. Moissanite has more fire than diamond
- Inclusion — A natural characteristic inside a gemstone. Some inclusions are desirable (like the silk in star sapphires)
- Lab-grown — Gemstones created in a laboratory with the same chemical composition as natural stones. Lab-grown vs natural guide
- Treatment — Processes applied to enhance a gemstone's appearance (heat, irradiation, coating). Treatments guide
- Mohs Scale — 1-10 scale measuring gemstone hardness (scratch resistance). Hardness guide
Metal Terms
- Karat (K or Kt) — Unit measuring gold purity. 24K is pure gold, 14K is 58.5% gold. Gold karats explained
- Alloy — A mixture of metals. Most jewelry gold is alloyed with copper, silver, or zinc for durability
- Sterling Silver — 92.5% pure silver, marked 925. Shop sterling silver
- Rhodium plating — A thin coating applied to white gold for extra brightness and scratch resistance Learn more in our rhodium plating guide.
- Rose gold — Gold alloyed with copper for a pink tone. Shop rose gold
- Vermeil — Sterling silver coated with a thick layer of gold (minimum 2.5 microns)
- Tarnish — Surface discoloration on silver caused by oxidation. Preventable with proper storage
Setting Terms
- Prong setting — Metal claws hold the gemstone. Maximizes light exposure and brilliance. Common in solitaire rings
- Bezel setting — A metal rim completely surrounds the gemstone edge. Secure and modern
- Channel setting — Gemstones sit in a metal channel between two walls. Common in eternity rings
- Pave setting — Small gemstones set closely together, held by tiny prongs, creating a surface of sparkle
- Halo setting — A circle of small stones surrounding a larger center stone. Shop halo rings
- Cluster setting — Multiple stones grouped together to create a larger visual impact. Shop cluster rings
Jewelry Types
- Solitaire — A piece featuring a single gemstone. Shop solitaire rings
- Three stone (Trilogy) — Three gemstones representing past, present, future. Shop three stone rings
- Eternity band — A ring with gemstones encircling the entire band. Shop eternity rings
- Tennis bracelet — A flexible bracelet with a continuous line of gemstones. Shop tennis bracelets
- Cocktail ring — A large, bold ring designed to make a statement. Shop cocktail rings
- Bangle — A rigid bracelet that slips over the hand. Shop bangles
- Pendant — A decorative piece that hangs from a chain. Shop pendants
- Stud earring — An earring that sits flush against the earlobe. Shop studs
Shopping Terms
- Hallmark — An official stamp certifying metal purity (e.g., 925 for silver, 585 for 14K gold) Learn more in our hallmark guide.
- Certificate of Authenticity — Documentation verifying gemstone identity and quality
- Compare at Price — The suggested retail price before any discounts
For a comprehensive buying overview, read our Complete Jewelry Buying Guide. Browse all collections at Biovlia with complimentary shipping.
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