Sotheby's Ask about this Research this Follow this 1 signals · Last mention 6/25/2026 Signals mentioning Sotheby's 6/25/2026 Natural diamonds rebound in India as De Beers supply cuts lift solitaire prices 5-8% 6/24/2026 Natural diamonds rebound in India as De Beers supply cuts push solitaire prices up 5-8%