DiamondBuzz
Sonani Jewels unveils largest LGD showroom in the world
Sonani Jewels has opened what it claims is the largest lab grown diamond showroom in the world. Sonani says its new two-floor showroom, which opened at the JCS Arcade in Surat last Monday is 18,000sq ft.
Sonani Jewels is the retail brand, founded in 2021, of Surat-based Tenth Diamond Planet, which specializes in HPHT lab growns. It was launched as a B2B concern, but is now moving to D2C.

That’s the size of four standard basketball courts, although the company provides no verification that its showroom is the largest, nor does it say who previously held the record.Sonani says it has an inventory of more than 4,000 jewelry designs in daily wear, as well as bridal categories.

Agastya Sonani, director of Sonani, said: “The future of lab-grown diamonds is bright. Their importance in the fashion, luxury, and royal segments is on the rise due to their unique designs and competitive pricing.”
DiamondBuzz
Sotheby’s Withdraws Rare 10-Carat Pink Diamond from Geneva High Jewelry Auction
The $20 million ‘Glowing Rose’ was expected to lead the sale but was removed after discussions with the consignor.
Sotheby’s has withdrawn a rare 10.08-carat fancy-vivid-pink diamond from its High Jewelry auction in Geneva, where it was estimated to fetch around $20 million. The Glowing Rose—a cushion brilliant-cut pink diamond set in a ring—was slated to be the star lot of the November 12 sale but never reached the auction block. The company did not disclose the reason for the withdrawal.
“The Glowing Rose is an absolutely beautiful pink diamond… however, following discussions with the consignor, the lot was withdrawn prior to the sale,” a Sotheby’s spokesperson told. The stone is notable as only the third cushion-cut vivid-pink diamond to appear at auction in the past decade and was showcased in Singapore and Taipei last month in a presentation mount by British jeweler Boodles.
Despite the withdrawal, the High Jewelry sale achieved CHF 29.8 million ($37 million), led by a 4.50-carat fancy-vivid-blue, internally flawless diamond that sold for CHF 4.8 million ($6 million). The event ran parallel to Sotheby’s Royal & Noble Jewels auction in Geneva.
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