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A Fancy Coloured Diamond and Diamond dress ring by Cindy Chao
Auctions Bonhams High Jewellery

Bonhams Hong Kong Rare Jewellery & Jadeite auction: colours in triumph

Magnificent gemstones, exceptionally rare jewels and impressive examples of signed jewellery by world-renowned Houses and designers will be the main protagonists at Bonhams Rare Jewels and Jadeite sale on 26 November in Hong Kong.

Intense green, fiery red, deep blue, soft pearl white, and coloured diamond sparkles. Gem colours in all their glory at Bonhams Hong Kong Rare Jewels and Jadeite auction, next 26 November.

A 120-jewels sale to appeal Bonhams’ Asian and global clientele.

 

The headline of the sale is unmistakeably set by a sensational Fancy Coloured Diamond and Diamond dress ring by Cindy Chao, featuring a stunning oval-cut fancy pink-purple diamond weighing 4.23 carats.

 

A Fancy Coloured Diamond and Diamond dress ring by Cindy Chao
A Fancy Coloured Diamond and Diamond dress ring by Cindy Chao
The oval-cut fancy pink-purple diamond, weighing 4.23 carats, within a stylised ribbon frame, pavé-set with brilliant-cut diamonds, extending to the hoop, highlighted by a cushion-shaped diamond, diamonds approximately 4.80 carats total, signed Cindy Chao, ring size 4½, with original pouch
Accompanied by a GIA report stating that the diamond is natural Fancy Pink-Purple colour and SI1 clarity. Report number 15308718,
dated 23 February 2015
Estimate: $1-1.3 million

 

Every year more than one hundred and twenty million carats of diamonds are mined, of which only twenty percent are of gem quality to be used in jewellery. Of that, less than 0.001% holds sufficient saturation of colour to be categorised as a ‘fancy coloured diamond’.

Fancy purple and variations of the colour like natural Fancy Pink-Purple and Fancy Pinkish-Purple diamonds are very rare.

No more than a handful have been recorded at auction worldwide within the last twelve years. The cause of colour for purple diamonds is crystal distortion. However, it is believed that the presence of hydrogen may be partly responsible for their hue.

Particularly rare and highly coveted, purple diamonds connote royalty, power and honour.

Commenting on this magnificent jewel Graeme Thompson, Head of Jewellery, Bonhams Asia, said:

“We are delighted to bring this magnificent ring to auction for the first time. Cindy Chao is one of the most sought-after Asia jeweller of the 21st century, renowned for harnessing the ancient architectural legacy of her family to create one-of-a-kind jewels. Through her talented hands, every piece of jewellery she designs is a masterpiece.”

 

Mesmerizing Kashmir Sapphires

 

As for the eye-catching Kashmir sapphires that will be offered at auction, Thompson adds:

“The mines, located high in the Himalayan mountain range in North West India, were only open for a period of approximately 30 years from the late 1880s onwards. Supplies were soon exhausted, making Kashmir sapphires extremely rare.”

Two top lots will be featured, the first one being a 17.33 Carat Sapphire and Diamond ring, mounted by Bulgari, and the second being a 6.96 Kashmir Sapphire, Ruby and Diamond ring.

 

A 17.33 carat Burmese Sapphire and Diamond ring
A 17.33 carat Burmese Sapphire and Diamond ring, by Bulgari
The oval-cut sapphire, weighing 17.33 carats, between crescent-shaped diamond shoulders, diamonds approximately 1.20 carats total, signed ‘mounting by Bulgari’, numbered, ring size 6½, original case
Accompanied by a SSEF report stating that the natural sapphire has no indications of heat treatment and originates from Burma (Myanmar).
Report number 80084, dated 7 May 2015.
Accompanied by a Gubelin report stating that the natural sapphire has no indications of heat treatment and originates from Burma (Myanmar).
Report number 15027002, dated 1 March 2015.
Estimate: $370-500,00
A 6.96 Kashmir Sapphire, Ruby and Diamond Ring
A Kashmir Sapphire, Ruby and Diamond Ring
The cushion-shaped sapphire, weighing 6.96 carats, within a calibré cut ruby surround, accented by brilliant and rose-cut diamonds, rubies approximately 1.00 carat total, ring size 6
Accompanied by a SSEF report stating that the natural sapphire has no indications of heat treatment and originates from Kashmir. Report number 87436, dated 1 September 2016.
Accompanied by an AGL (American Gemological Laboratories) report stating that the natural sapphire has no indications of heat treatment and originates from Kashmir. Report number CS 1073729, dated 2
August 2016.
Accompanied by a Gubelin report stating that the natural sapphire has no indications of heat treatment and originates from Kashmir.
Report number 16080051, dated 9 August 2016.
Estimate: US$200,000 – 330,000

 

Spectacular Colombian Emeralds

 

From deep blue to luscious green, the sale will offer top-class emerald jewels, starting with a 10.02 carat ‘No Oil’ Colombian Emerald and Diamond Ring.

 

A 10.02 carat Colombian Emerald and Diamond ring
A Colombian Emerald and Diamond ring
The cushion-shaped emerald, weighing 10.02 carats, between trillion-cut diamond shoulders, diamonds 1.32 carats total, ring size 6
Accompanied by a SSEF report stating that the natural emerald has no indications of clarity enhancement and originates from Colombia. Report number 95268, dated 20 September 2017.
Accompanied by a Gubelin report stating that the natural emerald has no indications of clarity enhancement and originates from Colombia. Report number 17081177, dated 31 August 2017.
Accompanied by two GIA reports stating that the 0.71 and 0.61-carat diamonds are both D colour, VVS2 and VS2 clarity respectively. Report numbers 3255653752 and 1255653843, both dated 10 May 2017.
Estimate: US$440,000 – 510,000

 

Graeme Thompson goes on and says:

“Colombia is the source of the finest quality old mine emeralds that are the most sought after. As a result, finding such a magnificent emerald with no oil, weighing over 10 carats is quite something are we are delighted to bring this wonderful specimen to auction”.

Bonhams will also offer more jewels featuring beautiful emeralds, such as this Colombian Emerald and Diamond Necklace by Harry Winston,

 

Bonhams A Colombian Emerald and Diamond necklace by Harry Winston
A Colombian Emerald and Diamond necklace by Harry Winston
The front set with three step-cut emeralds, each within a pear-shaped diamond surround, connected by marquise and brilliant-cut diamonds, completed by a smaller step-cut emerald and brilliant-cut diamond clasp at the back, to a row of brilliant-cut diamonds, diamonds approximately 38.20 carats total, emeralds approximately 15.65 carats total, maker’s marks, unsigned, detachable to become three sections, length 38.5cm
Accompanied by two AGL (American Gemological Laboratories) reports stating that the 4.52 and 3.70-carat natural emeralds have
no indications of clarity enhancement and originate from Colombia.
Report numbers 1081732 and 1081733, dated 22 March 2017.
Accompanied by an AGL (American Gemological Laboratories) report stating that the 6.72-carat natural emerald has minor indications of traditional clarity enhancement and originates from Colombia. Report number 8086431, dated 14 June 2017.
Estimate: US$240,000 – 320,000

 

27.03 carat Colombian Emerald and Diamond Ring,

 

Bonhams A 27.03 Colombian Emerald and Diamond Ring
A Colombian Emerald and Diamond Ring
The sugar-loaf cabochon emerald, weighing 27.03 carats, between trapeze-cut diamond shoulders, diamonds approximately 2.20 carats total, ring size 5¾
Accompanied by a GRS report stating that the natural emerald is vivid green colour, has minor indications of clarity enhancement and originates from Colombia. Report number GRS2015-098386, dated 15 September 2015.
Estimate: US$120,000 – 150,000

 

And an Early 20th Century pair of Colombian Emerald and Diamond Pendant Earrings, circa 1920.

 

Bonhams An Early 20th Century pair of Emerald and Diamond Pendent earrings
An Early 20th Century pair of Emerald and Diamond Pendant earrings, circa 1920
Each step-cut emerald within a surround of old brilliant and rose-cut diamonds, suspended from single and rose-cut diamond surmounts of openwork design, diamonds approximately 2.60 carats total, emeralds approximately 6.00 carats total, length 6.0cm
Accompanied by a SSEF report stating that the emeralds have no indications of clarity enhancement and originate from Colombia.
Report number 95943, dated 11 October 2017.
Estimate: US$180,000 – 200,000

 

Rare among the rarest: natural pearls

 

Another significant lot that will be offered at Bonhams Rare Jewels and Jadeite auction in Hong Kong next 27 November is this Natural Pearl and Diamond Necklace, signed by Tiffany & Co, and dated 1910.

 

Bonhams A Natural Pearl and Diamond necklace by Tiffany & Co
A Natural Pearl and Diamond necklace by Tiffany & Co
The necklace composed of eighty-one graduated round to off-round natural pearls, measuring 10.1-5.1mm, completed by a marquise-cut diamond, weighing 2.97 carats, signed Tiffany & Co., length 62.0cm
Accompanied by a SSEF report stating that the natural pearls are of saltwater origin. Report number 81499, dated 25 August 2015.
Accompanied by a GIA report stating that the diamond is E colour and SI1 clarity. Report number 2277117387, dated 9 October 2017.
Estimate: US$260,000 – 380,000

 

“Collectors are increasingly snapping up natural pearls because of their increasing rarity. Really good examples of natural pearls – based on size, uniform shape, lustre and blemish-free skins – do not appear on the market as often as they used to and it is very difficult to find good quality examples such as these. Long-term, they will become more of a rarity and therefore even more highly-prized. These pearls have a lovely cream body colour and a rosé overtone which is highly prized among Asian collectors.” Thomspon remarks.

Rubies are also very appreciated by jewellery collectors worldwide, and signed jewellery by Harry Winston has gained global admiration. In the upcoming auction, Bonhams will offer this Burmese Ruby and Diamond Necklace by Harry Winston.

 

Bonhams A Burmese Ruby and Diamond necklace by Harry Winston
A Burmese Ruby and Diamond necklace by Harry Winston
The necklace set with thirty-three cabochon rubies, accented by brilliant, pear and marquise-cut diamonds, diamonds approximately 60.00 carats total, rubies approximately 160.00 carats total, Jacques Timey maker’s mark for Harry Winston, indistinct signature, length 42.6cm
Accompanied by a SSEF report stating that the thirty-three natural rubies have no indications of heat treatment and originate from Burma (Myanmar). Report number 85463, dated 6 April 2016.
Estimate: US$230,000 – 360,000

 

‘Rare jewels’ often stand for ‘rare diamond.’

 

The highest in value is this fantastic 10.03 carat E Colour VS2 Clarity Diamond and Coloured Diamond Ring, by Stephen Webster – the ultimate statement ring.

 

Bonhams A 10.03 carat Diamond and Coloured Diamond ring by Stephen Webster
A 10.03 carat Diamond and Coloured Diamond ring by Stephen Webster, 2017
The brilliant-cut diamond, weighing 10.03 carats, within an openwork ‘thunderbolt’ frame set with brilliant and baguette-cut diamonds, some of pink tint, further highlighted by marquise-cut diamonds, remaining diamonds approximately 3.90 carats total, signed SW, maker’s mark, London hallmark, ring size 6
Accompanied by a GIA report stating that the 10.03-carat diamond is E colour and VS2 clarity. Report number 7181102577, dated 5 September 2014.
Estimate: US$190,000 – 280,000

 

Founded since 1982, Stephen Webster is celebrated for creating modern classics with an eternally chic and glamorous persona. The brand is inspired by music, fashion, literature and art. An inimitable style that boldly combines innovative design, attention to detail and the most beautiful materials.

The carousel continues with this lovely Fancy Coloured Diamond and Diamond Necklace, by Salavetti, a fine jewellery House based in Switzerland.

 

Bonhams A Fancy Coloured Diamond and Diamond necklace, by Salavetti
A Fancy Coloured Diamond and Diamond necklace, by Salavetti
The pear-shaped diamond, weighing 4.17 carats, suspended from a row of marquise-cut diamonds, completed by a necklace set
With similarly cut diamonds, of various tints, remaining diamonds approximately 42.70 carats total, signed Salavetti, necklace length 42.5cm, pendant length 5.3cm
Accompanied by a GIA report stating that the 4.17-carat diamond is natural Fancy Deep Greenish Yellow colour and SI1 clarity. Report
number 1172201202, dated 4 August 2015.
Also accompanied by ten GIA reports stating that the selected marquise-cut diamonds are of natural colour. Reports dated 30 and
31 August 2016.
Estimate: US$150,000 – 200,000

 

Salavetti’s vibrant and distinctive Italian jewellery designs are sought after worldwide and renowned for their quality and excellence. Excellent craftsmanship, unique designs and superior quality gemstones and diamonds. This has helped establish Salavetti among the top international jewellers. Always on the cutting edge of fashion, their designs are high class and easy to wear.

Rounding up on the sale, Graeme Thompson concludes:

“We have a wonderful sale coming up, featuring magnificent gemstones and exceptionally rare pieces of jewellery, perfect to add to any collection. The sale features some impressive examples of signed jewellery by world-renowned Houses and designers which are always in demand and popular with our discerning clients from around the world.”

 

Auctions are having a moment, these days, and it is not by accident.

 

As Andrew Shirley, who compiles the Knight Frank Luxury Investment Index, said:

“The Q2 2017 index focuses on the performance of jewellery, which rose by 142 percent over the past ten years. it shows how jewellery continues to capture the imagination of wealthy collectors and is a genuine investment of passion – offering not only a great pleasure to its owners but also acting as a highly mobile store of wealth.”

 

 

 

 

 

 

 

 

 

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