Sapphire Ring Nearly Triples High Estimate at Sotheby’s
June 4, 2026
Piece rakes in $688,000 at London auction against a $242,000 presale price.
Diamond Prices in the News
Diamond prices have gone up and down through the decades. Recent years have seen increasing turmoil and fluctuation in prices due to the impact of synthetics, the Covid-19 pandemic, a slowdown in China, and societal trends related to engagement and marriage.
Rapaport has been the world’s leading source on diamond pricing for over 40 years, providing the benchmark Rapaport Price List and the RapNet Diamond Index (RAPI™) . It also leads the trade with news and analysis on this topic.
Latest Rapaport Articles about Diamond Prices
Jewelry Among Top-Performing Categories at Macy’s
June 4, 2026
Company implements new strategies to accelerate and differentiate luxury.
Webinar: What Millions of Diamonds Taught Us
June 4, 2026
Session will take place June 16 at 10 a.m. Eastern time.
Multi-Gem Ring Scores Five Times High Estimate at Christie’s
June 3, 2026
Jewel sells for $194,500 at Hong Kong online auction.
Why More Engagement-Ring Buyers Are Getting Jewelry Insurance
June 3, 2026
Engagement-ring insurance is shifting from optional to expected. Here’s what drives buyer behavior and adoption.
6ct. Sapphire to Hit Auction Block at Sotheby’s New York
June 3, 2026
Unmounted stone has a $550,000 high estimate at upcoming sale.
Natural-Diamond Spending and Sizes Rising, De Beers Says
June 3, 2026
Average cost of mined stone was $4,063 in 2025, up 25% from 2023.
Imperial Russian Jewels to Lead Sotheby’s Inaugural Artistic Luxury Auction
June 3, 2026
A Fabergé diamond and aquamarine necklace from 1911 could fetch up to $600,000 in New York.
Hong Kong Luxury Sales Maintain Growth in April
June 2, 2026
Revenue from jewelry, watches, clocks and valuable gifts up 20% year on year.