Sotheby’s recent Magnificent Jewels & Noble Jewels auction on November 15th in Geneva was illuminated by some rare signature pieces. Here are the highlights.
Sotheby’s auction of Magnificent Jewels and Noble Jewels on November 15th, 2018 assembled significant world-class diamonds and gemstones, alongside signed pieces from the world’s most prestigious jewellery houses. The auction sales totalled $61,197,545.
Although some extraordinary blue diamonds stole the show, stunning white diamonds and diamond jewels and exceptional coloured gemstones also elicited a lot of interest among buyers.
David Bennett, worldwide chairman of Sotheby’s international jewellery division, commented, “Our autumn sale offers a carefully curated selection of jewels which have resonated with jewellery lovers and connoisseurs the world over. We are thrilled to be presenting sensational diamonds – both coloured stones and extremely fine D-colour white diamonds – as well as vibrant coloured gemstones and signed pieces, to complement the finest of jewellery collections. It has been a pleasure for our team to bring together these extraordinary natural treasures, brought to life by the artistry and skill of the world’s finest diamond cutters and jewellers.”
Daniela Mascetti, chairman of Sotheby’s jewellery division for Europe, said “From exemplary signed jewels illustrating the history of the world’s finest jewellery houses to rare coloured diamonds and gemstones, we were delighted to offer such variety and quality, a selection sure to appeal to the 21st century collector.”
This remarkable Burmese sapphire weighing 69.99 carats is mounted as a ring by Cartier. According to the Gübelin gem laboratory, “it displays a distinctive and richly saturated” Royal Blue colouration (the most desirable hue). The laboratory’s experts add that ‘such a combination of remarkable characteristics is very rare in Burmese sapphires of this large size’.
$3 – $5 million
A superb Fancy Light Pink diamond turned heads. Weighing 21.19 carats, the cushion-shaped stone was found by the GIA to be of ‘Type IIa’— which makes up just 2% of gem-quality diamonds and boasts the highest optical transparency.
$4,500,000 – $6,500,000
An extraordinary rare blue brilliantcut diamond graded by the Gemological Institute of America (GIA) as Fancy Intense Blue, weighing 2.02 carats, appealed to jewellery connoisseurs for its extraordinary clarity: it has been
classed as Internally Flawless. The diamond is set in a ring.
$2 – $3 million
This sapphire and diamond brooch is from an Austrian noble family, late 19th century. According to the Swiss Gemmological Institute (SSEF), the sapphires, weighing 46.86, 10.09 and 9.93 carats respectively, are “perfectly cut as high-domed cabochons”, and “assembling a set of three natural sapphires from Kashmir of this size and quality can be considered very rare and exceptional”.
$496,895 – $795,032
Also from a noble family is this beautiful ruby and diamond ring, signed Cartier. According to the SSEF and Gübelin, the 8.16-carat gemstone was found in Burma, widely agreed to produce the finest rubies, and is of ‘pigeon blood’ colour – the most highly prized hue.
$1,093,169 – $2,077,021
Set with a step-cut diamond weighing 25.77 carats, this superb diamond ring is by Italian jeweller Pederzani. The stone is of highly coveted D Colour and, according to the GIA, its clarity has the potential to be Internally Flawless after minor repolishing. It belongs to that most exclusive category of diamonds, Type IIa.
$3 – $4 million
Among the most desirable jewels on today’s auction market are signed jewels from prestigious jewellery houses, in particular those which embody the spirit of the age in which they were made. This extraordinary ruby and diamond brooch was created by Cartier around 1940 and features Burmese rubies – the central gemstone weighing 7.34 carats.
$400,000 – $600,000
The spectacular gem set and diamond sautoir was made by Bulgari around 1970. Supporting a pendant set with a carved emerald weighing a phenomenal 127.35 carats, it epitomises the richly decorative statement pieces for which the Italian jeweller is so well known. The central gemstone was discovered in Colombia.
$300,000 – $500,000