GIA Middle East

Name: GIA Middle East
Address: GIA India Laboratory Private Limited (DMCC Branch) Office 02 G, Floor 02, AU Tower (Gold), Cluster I, Jumeirah Lakes Towers PO Box, Dubai, 625786, AE
Telephone: +97142754500
Rating: 4.4

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Taking the next step in your professional journey or starting a new career? GIA’s courses can help prepare you for success in the gem and jewellery industry.
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GIA's mission is to ensure the public trust in gems and jewelry by upholding the highest standards of integrity, academics, science, and professionalism through education, research, laboratory services, and instrument development.

15/10/2021

Few tiaras are as iconic as the Cambridge Lover's Knot Tiara. Its design was so popular that several copies were made and circulated among royal families. The original was made for Princess Augusta of Hesse Cassel, Duchess of Cambridge, in the early 19th century. Nearly 100 years later, a similar tiara was commissioned by Queen Mary, who left it to Queen Elizabeth II. Queen Mary’s tiara has also been worn by Princess Diana and the present-day Duchess of Cambridge. Is this royal favorite also one of your favorite tiaras?

Courtesy: Christie's

14/10/2021

A cornucopia of jewels. This ear of corn is set with rows of matching yellow pearls, celebrating the bounty of the earth with bounty from the sea. The peas in the second image are made from jade and demantoid garnets. The cauliflower in the third image is set with diamonds. The carrots are set with orange sapphires and the eggplant, or aubergine, with spinels. Which of these delectable vegetables is your favorite?

Courtesy: Hemmerle

13/10/2021

Redefining "diamond ring." This faceted hololith ring is composed entirely of diamond. It weighs 13.15 carats and was polished from a 196 carat rough diamond crystal from the Northwest Territories in Canada. This one-of-a-kind diamond was graded by GIA as Fancy Dark grey. The diamond crystal it was cut from likely formed over three billion years ago, so this ring is definitely the ultimate eternity ring! Learn more: https://bit.ly/3FBfnYI

(1) Photo: Simon Westlake/Reid Mackie. (2-4) Courtesy: Beaufort Diamonds

12/10/2021

The Imperial Flame is a magnificent natural colour Imperial topaz. Found in Brazil, the original rough weighed 615 carat and was carved into this sculpture weighing 332.24 carat. Imperial is a name used in the trade for topaz that ranges in colour from medium reddish orange to orange-red. This crystal is remarkable in part because it displays the entire range that Imperial topaz can have.

Only one to two percent of all the material recovered from Ouro Preto’s mines is of faceting quality, which makes the caliber of this enormous crystal all the more remarkable. Learn more about the cutting of this magnificent stone: https://bit.ly/3aloqP7

Courtesy: KREIS Jewellery

11/10/2021

Brown diamonds, the most common fancy diamonds, were overlooked throughout most of history, until recent decades when they gained popularity after being re-branded as "ch*****ne, cognac, and chocolate" diamonds. Many of them were found in the Argyle mine in Australia, which was also known for producing pink diamonds.

The colour in natural brown diamonds is due to distortion of the crystal lattice (arrangement of molecules) that can create clusters of vacancies; this distortion can occur when the diamond is exposed to intense geologic forces while in the earth and experiences a process called plastic deformation.

Brown diamonds can occur on the D-Z scale, ranging from Faint brown to Light brown. Brown diamonds beyond the D-Z scale range from Fancy Light brown to Fancy Dark brown, depending on their tone. Brown diamonds with a golden or reddish appearance are typically the most popular. Learn more: https://bit.ly/3iJ9sqN

Seen in images 1 and 2 are natural brown diamond crystals and polished diamonds. Image 3 shows a 20.21 carat Fancy Deep Yellow-Brown diamond in a necklace by Graff.

(1) Photo: Shane F. McClure/ GIA. (3) Christie's

10/10/2021

A palette of pastels. The Hyriopsis cumingii mussel can produce a colourful array of freshwater cultured pearls, including pink, peach, lavender, yellow and more.

Image 1 shows an assortment of baroque freshwater cultured pearls. Images 2-3 show a mix of freshwater, South Sea and Tahitian cultured pearls. All of the pearls seen here have natural colour. Learn more about pearls: https://bit.ly/3ljjAs0

(1-2) Courtesy: Yoko London. (3) Photo: Robert Weldon/ GIA. Courtesy: King's Ransom, Sausalito, CA.

09/10/2021

Using scientific matching to confirm diamond origin? Brilliant.

Different types of light used to analyze a diamond’s spectroscopy include visible light, infrared and UV.

Infrared tells scientists the types of impurities, such as nitrogen or boron, that a diamond contains. Deep UV fluorescence can reveal a diamond’s growth patterns, similar to the rings of a tree. The growth patterns tell the story of a diamond’s formation. Time lapses between the formation of different layers can often be seen, like here. Unique characteristics like these help scientists match polished diamonds to their original crystal, thereby confirming these diamonds' origins. Learn about GIA Diamond Origin: https://bit.ly/3mCWxrH

Courtesy: GIA Staff

Address

GIA India Laboratory Private Limited (DMCC Branch) Office 02 G, Floor 02, AU Tower (Gold), Cluster I, Jumeirah Lakes Towers PO Box
Dubai
625786

Telephone

+97142754500

Website

http://GIAmideast.com/

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