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2. Engagement ring - Wikipedia

   en.wikipedia.org/wiki/Engagement_ring

   The most common setting for engagement rings is the solitaire prong setting, which was popularized by Tiffany & Co. in 1886 and its six-claw prong setting design sold under the "Tiffany setting" trademark. The modern favorite cut for an engagement ring is the brilliant cut, which provides the maximum amount of sparkle to the gemstone. [46]

3. Tanzanite - Wikipedia

   en.wikipedia.org/wiki/Tanzanite

   Tanzanite is the blue and violet variety of the mineral zoisite (a calcium aluminium hydroxyl sorosilicate), caused by small amounts of vanadium. [3] Tanzanite belongs to the epidote mineral group. Tanzanite is only found in Simanjiro District of Manyara Region in Tanzania , in a very small mining area approximately 7 km (4.3 mi) long and 2 km ...

4. Prong setting - Wikipedia

   en.wikipedia.org/wiki/Prong_setting

   A prong set diamond in a gold ring.. Prong setting or prong mount refers to the use of metal projections or tines, called "prongs", to secure a gemstone to a piece of jewelry.A prong setting is one component of what is known to jewelers as a head, a claw-shaped type of binding (typically three, four, or six individual prongs per head) that is welded or soldered to a jewelry item to mount (or ...

5. 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. [17] A popular style is the diamond solitaire, which features a single large diamond mounted prominently. [18] Within solitaire, there are three categories in which a ring can be classified ...

6. Diamond (gemstone) - Wikipedia

   en.wikipedia.org/wiki/Diamond_(gemstone)

   Total carat weight (t.c.w.) is a phrase used to describe the total mass of diamonds or other gemstone in a piece of jewelry, when more than one gemstone is used. Diamond solitaire earrings, for example, are usually quoted in t.c.w. when placed for sale, indicating the mass of the diamonds in both earrings and not each individual diamond.

7. Taylor–Burton Diamond - Wikipedia

   en.wikipedia.org/wiki/Taylor–Burton_Diamond

   After its purchase by Taylor and Burton, Taylor found the diamond too heavy to wear as a ring, and commissioned an $80,000 diamond necklace which included a custom setting for the diamond. The necklace was designed to fit Taylor's neck allowing the diamond to cover her tracheotomy scar resulting from her bout with near fatal pneumonia in 1961 ...