Emerald & Diamond 18ct Gold Brooch by Otto Poulsen
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emerald & diamond set 18ct yellow gold brooch by Otto Poulsen, signed & marked 18ct, weight 7 grams, 40 x 25 mm. 3x emeralds carre cut 2.4 mm, 2.7 mm, emerald cut 3.3 x 2.8 mm, 5x RBC diamonds, note. Otto Poulsen was a Danish trained South African goldsmith who worked with renowned designer Henning Koppel and Company Georg Jensen
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- Rbc (round Brilliant Cut) Diamond - An RBC diamond is a "Round Brilliant Cut diamond." It is a popular diamond cut, known for its excellent light performance and overall brilliance. A round brilliant cut diamond has 58 facets, which are precisely cut and polished to maximize the diamond's brightness, fire, and scintillation. The RBC cut is the most popular diamond shape, accounting for approximately 75% of all diamonds sold worldwide.
- Emeralds - Emeralds have been used in jewellery making for thousands of years, and are prized for their deep green colour, which is caused by the presence of chromium and vanadium in the mineral beryl. Because of their rare colour, emeralds are often more valuable than diamonds of a similar size and quality. In jewellery making, emeralds are typically cut into round or oval shapes to maximize their color and clarity. They are often set in gold or platinum and used as the centrepiece of a piece of jewellery, such as a ring or necklace. They can also be used in combination with other gems, such as diamonds, to create intricate and beautiful designs.
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