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4mm) the natural pearl came from a so-called gold-lip oyster which would have taken 10 years to produce it.
A memorandum of understanding (MoU) was signed between the Ministry of Industry and Commerce, the Bahrain Economic Development Board (EDB), and GIA (Gemological Institute of America), the world s major gemological research organization, aiming at development of the state's gemstone and pearl testing laboratory (GPTLB) into a world-class facility for research into the production of natural pearls.
When the first cultured pearl jewellery appeared in this country in the 1930s, prices of natural pearls collapsed.
Conscious of the changing times and, with the advent of cultured pearls, Yousuf, realised the natural pearl industry was in doubt and tapped into general trading.
The Exchange recently announced the creation of a dedicated and comprehensive Natural Pearl Course which includes details on the regions rich pearling heritage that appeals to residents and visitors alike.
A sumptuous pearl, multi-gem and enamel Indian necklace, the pearls set with a line of 17 graduated drop-shaped pearls, are included with an estimate of $140,000-180,000 alongside a classic single-row natural pearl necklace estimated at $160,000-180,000.
To celebrate its long history and reputation for quality, Denby is launching two dinnerware patterns, Pure Green and Natural Pearl.
Inset (clockwise from top) diamond set ring with black and white cultured pearls (pounds 450-500); cultured pearl and diamond earrings (pounds 850-900); South Seas pearl pendant set into 18ct gold with small diamonds (pounds 950-1,000); single natural pearl and diamond earclips set in white gold (pounds 200-250)
High lighting the event is the extraordinary natural pearl necklace presented as a gift to legendary Arab icon, Umm Kulthum, by His Highness Sheikh Zayed Bin Sultan Al Nahyan, the late ruler of the UAE, being sold by family descendents as a star lot and expected to fetch $80,000-120,000.
The natural pearl, diamond and ruby necklace is estimated to fetch between pounds 350,000 and pounds 400,000 at the sale at Christie's in London.
A HISTORICALLY important natural pearl, diamond and ruby necklace is coming up for sale in December.
The formation of a natural pearl begins when a foreign substance slips into the oyster.

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