Country overtook Botswana in 2023.
Like-for-like figures down 7% from previous tender across most size categories.
Russian miner reduced output to 33 million carats amid sanctions, waning demand for rough, and low prices.
Larger stone is called Motswedi, Setswana for a water spring that gives life, while the other is Seriti, which means aura or presence.
Blue-diamond ring valued at up to $6.4 million among a number of items that failed to find buyers at Important Jewels sale.
Company garners $93 million from two sales in October and December.
Three top pieces all exceed estimates at December 12 Jewels Online sale.
Businesses tied to Kamlesh Pattni, some of which operate in Dubai’s DMCC, are included in list.
Piece fetched $5.5 million against a $2 million upper price tag.
Heart-shaped, 10.22-carat diamond pendant takes top spot, going for $343,400.
Some 97% of lots found buyers at December 10 New York Magnificent Jewels auction.