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2. Moissanite - Wikipedia

   en.wikipedia.org/wiki/Moissanite

   A moissanite engagement ring Moissanite: emerald cut. Moissanite was introduced to the jewelry market as a diamond alternative in 1998 after Charles & Colvard (formerly known as C3 Inc.) received patents to create and market lab-grown silicon carbide gemstones, becoming the first firm to do so. By 2018 all patents on the original process world ...

3. Engagement ring - Wikipedia

   en.wikipedia.org/wiki/Engagement_ring

   Engagement ring. Two engagement rings, as traditionally worn on the ring finger of the left hand. An engagement ring, also known as a betrothal ring, is a ring indicating that the person wearing it is engaged to be married, especially in Western cultures. A ring is presented as an engagement gift by a partner to their prospective spouse when ...

4. Cubic zirconia - Wikipedia

   en.wikipedia.org/wiki/Cubic_zirconia

   2.15–2.18. Cubic zirconia (abbreviated CZ) is the cubic crystalline form of zirconium dioxide (ZrO 2). The synthesized material is hard and usually colorless, but may be made in a variety of different colors. It should not be confused with zircon, which is a zirconium silicate (ZrSiO 4). It is sometimes erroneously called cubic zirconium.

5. Are lab-grown diamonds 'worthless'? Experts weigh in as ... - AOL

   www.aol.com/news/lab-grown-diamonds-worthless...

   The average cost of a diamond engagement ring in 2024 is around $6,000. The wedding industry has ballooned to be worth $196.58 billion in 2023 — historic growth, ...

6. Jewellery - Wikipedia

   en.wikipedia.org/wiki/Jewellery

   A diamond solitaire engagement ring. Now popular in engagement rings, this usage dates back to the marriage of Maximilian I to Mary of Burgundy in 1477. [15] A popular style is the diamond solitaire, which features a single large diamond mounted prominently. [16] Within solitaire, there are three categories in which a ring can be classified ...

7. Gemstone - Wikipedia

   en.wikipedia.org/wiki/Gemstone

   A collection of gemstone pebbles made by tumbling the rough stones, except the ruby and tourmaline, with abrasive grit inside a rotating barrel. The largest pebble here is 40 mm (1.6 in) long. The traditional classification in the West, which goes back to the ancient Greeks, begins with a distinction between precious and semi-precious; similar ...