A “super spiral” cut, color-change garnet. These pyrope garnets from Morogoro, Tanzania change color from purplish-pink under incandescent light (Image 1) to purple under daylight-equivalent light (Image 2). This phenomenon is believed to be caused by higher than normal amounts of vanadium and chromium. The larger the stone, the more noticeable the color change. The super spiral cut stone weighs 15.25 carats and comes from the same material as the 42.42-carat rough crystal next to it. Color-change garnets of this size, intensity, and clarity are incredibly rare. Learn more: https://bit.ly/2LhNGwy
(Images 1-2) Photo: Robert Weldon/GIA. Courtesy: Meg Berry.
Natural yellow gem diamonds are the most common of the fancy-color diamonds, while orange diamonds are among the rarest when they have unmodified hues. Both categories owe their coloration to atomic-level lattice defects associated with nitrogen impurities in the diamond structure. Four major groups of defects are responsible for the color in nearly all yellow and orange diamonds: cape defects (N3 and associated absorptions), isolated nitrogen defects, the 480 nm visible absorption band, and H3 defects. Nitrogen-bearing diamonds are thought to incorporate isolated nitrogen during growth by substitution for carbon, meaning that natural diamonds start out with yellow to orange color. However, only the very rare type Ib diamonds maintain that original color. With time at high temperatures deep in the earth, the nitrogen atoms in most diamonds aggregate, resulting in either near-colorless stones or yellow diamonds colored by cape defects. Yellow and orange diamonds can be grown in a laboratory or created by color treatments, so a thorough understanding of the defects responsible for color in the natural stones is critical for identification. Yellow diamonds serve as the best ambassador to the colored diamond world due to their abundance and maybe the only colored diamond many people will ever see in a jewelry store.
Commissioned in the late 1800s by the 6th Duke of Portland for his wife, the Portland tiara is an impressive piece of jewelry that contains Ceylon and Burmese sapphires, natural saltwater pearls, and diamonds set in silver and gold. Myanmar (formerly known as Burma) and Sri Lanka (formerly known as Ceylon) are two of the most well-known historic locales for sapphire, after Kashmir, while natural saltwater pearls are incredibly rare. That makes this tiara a treasure indeed! Courtesy: Christie's
This scintillating pile of pink diamonds — the Argyle Pink Everlastings™ Collection — contains some of the last diamonds mined from the Argyle mine in Australia, which closed in November 2020. The diamonds in this collection weigh 0.14 carats and below and total 211.21 carats. The entire collection was acquired by a Hong Kong-based colored diamond company. Courtesy: Rio Tinto
GIA has graded some of the most remarkable diamonds in the world. The 14.83 carat Spirit of the Rose diamond - graded Internally Flawless, Fancy Vivid purple-pink by GIA - is the largest purple-pink diamond to ever appear at auction and commanded US$26.6 million at auction in November 2020. Its name derives from dancer Vaslav Nijinsky’s legendary performance in the Russian ballet, Le Spectre de la rose. The ballet tells the story of a young girl who falls asleep after attending her first ball and dreams of dancing with the spirit of a keepsake rose. Gary Schuler, Worldwide Chairman of Jewelry at Sotheby's, says of the stone: "the numerous facets and shades of pink dance in front of your eyes in a mesmerizing way." The stone's name not only refers to its color but also celebrates the fact that it was cut from the largest pink diamond crystal ever mined in Russia - the 27.85 carats Nijinsky rough. Courtesy: Sotheby's
Weddings are the greatest get-togethers of affection, refinement, and bounty the center fascination of any wedding, evidently, is the lovely lady &her wedding jewelry. At the point when she walks down the walkway wearing the best of jewelry and adornments, everyone's eyes have arrived and her ageless tastefulness. The fantasy of each lady of the hour is showing her wedding jewelry more, on the off chance that you know your wedding adornments to coordinate your wedding jewelry or wedding dress, that can occur. On this day, the lady of the hour actually needs to watch special and plans out all of her dress right from the 'gajras' to jewelry, from the wedding adornments to the dresses.
Marriage Wedding jewelry holds an exceptional spot in each young lady's heart. They come stacked with magnificence and suppositions. While valuable Bridal jewelry has consistently been a top pick with Indian ladies, an ever-increasing number of ladies and their families are looking past valuable gems, without settling on the tasteful characteristics.
The #jewellery trade centre is located in #Silom road also known as gemstone district of Bangkok (Thailand). It’s a 59-story skyscraper meant to be one of the tallest buildings in #Thailand. This amazing structure was built in 1996. The jewellery #trade centre was designed by Hellmuth, Obata and Kassabaum
J.T.C is known for trading, sourcing and distribution of gems and jewellery. #Retailers, suppliers & #manufacturers of jewellery and lose gemstones, rough stones from all over the world have their outlets inside the retail area of this building.
In this massive structure (J.T.C) they also have #banks, food courts, coffee outlets, retail outlets,7 eleven Convenience stores. And the galleria #condominiums for residential purpose. J.T.C is having well-equipped gem testing labs, #AIGS is one of them which is one of the largest gem labs in Asia. Superrich of the fourth floor gives you the ease of money exchange, The #retail space featuring shoes, #sunglasses, #clothes and many other #fashion accessories.
On the east of Thailand, there is a #beautiful town called Chanthaburi on the banks of the River. Chanthaburi is the Province and the capital of the Mueang Chanthaburi District. The gem business in Chanthaburi began many centuries ago when rubies and sapphires were discovered in rural areas of Chanthaburi, Trat, among other precious stones local to this region.
Chanthaburi is a well-known destination for gem trading. Happens in the Talat Ploy area of Si Chan Road. This area is having dozens of gem trading shops where people from various countries come and buy a variety of gemstones and rough stones according to their needs. These include almost all kinds of gems, from blue sapphire, ruby to emeralds and diamonds, mined across Asia and the world. Some jewelry retailers also come to buy the finished loose stones to craft them into #beautiful jewelry pieces.
Many gemstone shops open on weekdays, but if you want the full experience of buying gemstones you should visit Chanthaburi on Fridays, Saturdays, and Sundays.
A golden gift - in more ways than one. Angelina Jolie and jewelry designer Robert Procop donated this citrine necklace to the Smithsonian’s National Gem Collection in 2015. It features 64 cushion cut citrines and a stunning 177.11-carat pear-shaped citrine pendant set in 18K gold. Called the "Jolie Citrine Necklace," it is housed in the same hall that contains the Hope Diamond and the Star of Asia sapphire. Jolie designed this necklace in collaboration with Procop as part of the Style of Jolie collection. Proceeds from the sales of jewelry in this collection are donated to the Education Partnership for Children in Conflict, which builds schools for children in conflict-affected areas. The first few schools were built in Afghanistan. Courtesy: RP Studio
The Colombian Emerald and Diamond Necklace designed by Edmond Chin for Boghossian was the top seller of the Magnificent Jewels sale at Christie's in Hong Kong, receiving $7 million.
The piece contains 28 cushions and octagonal-cut Muzo emeralds with a total weight of 117.60 carats and 48.01 carats of oval and rectangular-cut, D-to F-coloured diamonds. It ran just under its low estimate at the November 29 sale, which garnered a total of $51.5 million, the auction house said on Sunday.
Prices of top quality-colored diamonds, jadeites, and rubies will be offered today by collectors from 24 countries and four continents around the world for some of Christie's best-known jewels," said Vickije Sek, chairman of the Asia Pacific auction house for jewelry. "The depth and promoting sales results reflect healthy demand in the market."
It pointed out that Christie sold 76% of the items offered at the Hong Kong event. On 8 December the company will be celebrating its sale of New York Beautiful Jewels.
Thailand is a
significant centre for the manufacturing and export of colour gemstone,
jewellery and has a legacy of processing rubies, sapphires and other gemstones.
For many years, Thailand has been a centre for rubies, both in production and
in mining. Thailand is the main centre for cutting and treatments of the
precious gemstone. Thailand is a leading manufacturer of silver and gold
jewellery and manufacturing centre of Pandora, one of the leading manufactures
in Thai jewellery economy, employing thousands of people.
Thailand has a tradition of exporting colour gemstones and jewellery, using highly skilled
labour and cutting-polishing technology, Thailand’s third-largest export is
gems and jewellery, which employ around one million people after the computer
sector and automobiles.
Leading players
such as the United States and China have a strong taste for Thai- silver, gold,
and colour gemstone jewellery. Thailand has set a goal to become a global
centre for trade-in jewellery and gemstones by 2021.
Let’s try to know about Emerald today with “JEWEL
THIEF”
Emerald are one of the most desirable Gemstones due
to their beauty and lovely Green colour.
The finest emeralds generally come from Columbia,
Africa, Brazil and the Russian mines who also produce fine quality stones.
Emerald is a precious gemstone comes in the beryl
family; the chemical composition of emerald is (Be3Al2(SiO3)6). The green
colour in emerald is because of chromium trace inside the stone.
Properties of emerald
Hardness _ 7.5 TO 8 on Mohs scale, Lustre_
Vitreous, Colour_ Green,
Crystal system_ hexagonal, Family _ Beryl.
The valuation of every Gemstone depends upon the “4
C's”: carat, colour, clarity, and cut.
If you are buying any expensive Gemstone you have
to know bit about all four of these (“4 C's”), Try to buy Gemstone loose so you
can check the weight of your precious Gem by yourself and can examine it
properly.
Here are the “4 C's”
colour
As Colour is one of the major factors in
establishing the value of a gemstone, same goes with emerald, the most
demanding colour of emerald is vivid green, then comes bluish green to pure
green. The most prized emeralds are the best greens (vivid green) with high
transparency with no colour zoning.
cut
The cut of the stone depends upon the shape of
rough, cut gives the stone an entirely different look. Some famous cuts of
emerald are- Step cut, Brilliant cut, Mixed cut, Cabochon cut and Achler cut.
clarity
Clarity means how gemstone looks like on the inside.
The clarity of emeralds makes them different from any other gemstone. Most
emeralds have inclusions which include minor bits of gasses, other minerals and
crystals, and liquids that emeralds take on during the crystallization process.
Carat
Carat weight plays a major role in the pricing of
every Gemstone. eg 5 carat stone is expensive than 1 or 2 carat stone. Experts
of Emerald always suggest buying smaller emerald rather than buying big one’s
reason being, smaller one with excellent colour and transparency is priceless
then the bigger one.
Next time when you go to buy an emerald for you,
keep these small things in mind
The passion of India for jewellery dates back 5,000
years to the civilization of the Indus Valley. Although the designs then were simple, over the years, jewellery became
more lavish, heavily encrusted with pearls and gemstones set in precious metals like gold.
Jewellery was not just meant for adornment; it also denoted social status and was considered a store of value and
were worn to enhance the beauty of women.
The rich and diverse cultural Heritage in India has played a major role in influencing the designs
of jewellery, particularly in the marriage jewellery segment over the years.
On the basis of the buying behaviour of the brides-to-be, we have learnt that Wedding Gold Jewellery
has got replaced by Diamond Jewellery for their Wedding-day.
Chokers are trending heavily it is a sizeable, chunky neckpiece or a standard-size
choker layered with a long necklace. “Brides opt for handcrafted gold chokers featuring floral motifs and intricate patterns.
