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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. Jewels of Diana, Princess of Wales - Wikipedia

   en.wikipedia.org/wiki/Jewels_of_Diana,_Princess...

   A replica of Lady Diana Spencer's engagement ring. Diana and Charles became engaged in February 1981. Her engagement ring consisted of 14 diamonds surrounding a 12-carat oval blue Ceylon sapphire set in 18-karat white gold. [54] [55] It was created by then-crown jeweller Garrard. The design was inspired by Queen Victoria's sapphire-and-diamond ...

4. Emerald - Wikipedia

   en.wikipedia.org/wiki/Emerald

   The three main emerald mining areas in Colombia are Muzo, Coscuez, and Chivor. [27] Rare "trapiche" emeralds are found in Colombia, distinguished by ray-like spokes of dark impurities. Zambia is the world's second biggest producer, with its Kafubu River area deposits (Kagem Mines) about 45 km (28 mi) southwest of Kitwe responsible for 20% of ...

5. Colombian emeralds - Wikipedia

   en.wikipedia.org/wiki/Colombian_emeralds

   Patricia Emerald – this 630-carat, di-hexagonal cut was first discovered in 1920. It is named after the mine owner's daughter, Patricia. This emerald currently resides in the American Museum of Natural History in New York. [4] Crown of the Andes – one of the most famous pieces of Colombian emerald-encrusted jewelry in the world. It has 453 ...

6. 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 ...

7. Diamond cut - Wikipedia

   en.wikipedia.org/wiki/Diamond_cut

   This cut's design can be considered the opposite of the hearts and arrows, as it eliminates the arrows in order to capture a different light return from the center of the diamond. The cut splits the eight pavilion mains and increases the specifically-placed total facets from 57 to 81. The cut was designed to enhance brilliance and mask inclusions.