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Sotheby's Magnificent Jewels and Noble Jewels sale presents a rare blue diamond ring

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A rare blue diamond ring was presented at the Sotheby’s Magnificent Jewels and Noble Jewels auction on November 13, 2019, in Geneva. The items featured in this auction are from some of the most prestigious jewelry houses in the world. Generally, the Magnificent Jewels and Noble Jewels auction shows exceptional colored stones and fantastic jewelry from the 19th century that day. At the current sale, there were featured blue diamonds, emeralds, sapphires and other colored diamonds unseen before.

The main piece of the auction is a magical blue diamond ring

The top pick was a very rare blue diamond ring, lot number 413. Its simple ring setting features a round-cornered square-cut blue diamond weighing 3.03 carats. The diamond ring is accompanied by GIA report no. 1152876286, stating that the diamond has a fancy vivid natural color and has SI1 clarity. The blue diamond ring price is estimated between $3,729,415 and $4,737,365.

A magnificent emerald and diamond necklace from the 70s is next

The second most expensive lot is a magnificent emerald and diamond necklace from the 1970s. The set is full of pear-shaped diamonds. It highlights three cabochon emeralds in the front, weighing 14.56, 14.65, and 28.76 carats. Further, it’s embellished with two sugarloaf emeralds weighing 4.34 and 4.69 carats and enhanced with marquise-shaped diamonds. The detachable pendant features two detachable drop-shaped emeralds, weighing 50.65 and 51.32 carats.

SSEF and AGL reports accompany the emeralds in the necklace, stating their Colombian origin and a minor amount of oil in fissures. The colored diamond necklace will be auctioned for $3,527,825 to $4,535,775.

Various other extraordinary colored diamonds are featured among the top pieces of the auction

An attractive purple-pink diamond pendant is the third most expensive lot at the Sotheby’s auction. It has 6.03-carat weight, a pear shape, and is valued between $2,519,875 and $3,527,825. Its GIA report states its fancy intense purple-pink color grade, VVS2 clarity, and type IIa.

The fourth most-expensive lot is sapphire and diamond blue bracelet from 1927. Its estimated value is between $2,015,900 and $3,023,850. The set has a 47.07-carat cabochon blue-colored sapphire, set between two pear-cut diamonds of 8.60 and 9.27 carats. The blue diamond band contains step-cut blue-colored sapphires and baguette diamonds.

The bracelet is accompanied by SSEF, Gübelin and AGL reports, the Burmese origin of sapphire, and no indications of heating. The Gübelin report determines the royal blue diamond color. GIA reports that all diamonds have D color, SI2, and VS1 clarity.


Indeed, The Magnificent Jewels and Noble Jewels sale showed some extraordinary jewelry. The estimated prices of the top lots exceed $2,000,000. Are you looking to purchase a jewelry item with sapphires or diamonds yourself? Nissan Perla, CEO of Diamond Registry, not only sources diamonds but also knows his emeralds, sapphires, and other gems.

If you are looking for a beautiful blue diamond ring, feel free to contact us by sharing an email to info@diamondregistry.com or via our online inquiry form.