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The carat (ct) is a unit of mass equal to 200 mg (0.00705 oz; 0.00643 ozt), which is used for measuring gemstones and pearls. The current definition, sometimes known as the metric carat, was adopted in 1907 at the Fourth General Conference on Weights and Measures, [1] [2] and soon afterwards in many countries around the world.
A diamond cut is a style or design guide used when shaping a diamond for polishing such as the brilliant cut. Cut refers to shape (pear, oval), and also the symmetry, proportioning and polish of a diamond. The cut of a diamond greatly affects a diamond's brilliance—a poorly-cut diamond is less luminous.
Elimination chart Jeweller Episode 1 Episode 2 Episode 3 ... with gold and a 1 carat diamond. [7] Jeweller ... Fluid Pear Drop Earrings: Pearl & Diamond Maang Tikka
The Rock is the world's largest white diamond ever auctioned. It is a nearly colorless 228.31 carat pear-shaped diamond mined in South Africa c. 2000. The diamond is described as larger than a golf ball, and it was auctioned in 2022 for 21.9 million USD.
The 'Unique Pink,' weighing 15.38 carats and mounted on a ring, sold to an Asian private collector bidding by telephone, the auction house said.
A pearl is a hard, glistening object produced within the soft tissue (specifically the mantle) of a living shelled mollusk or another animal, such as a conulariid.Just like the shell of a mollusk, a pearl is composed of calcium carbonate (mainly aragonite or a mixture of aragonite and calcite) [1] in minute crystalline form, which has been deposited in concentric layers.