What was the most popular content on Rapaport’s social media platforms — Facebook, LinkedIn and Instagram? Auctions, engagement rings and scams were among the most-viewed posts, with tariffs also piquing readers’ interest.
Here are the top five for each platform:
Facebook:
London Museum to Spotlight Marie Antoinette’s Jewels
An exhibition dedicated to fashion, jewelry and trends that draw inspiration from Marie Antionette launched at London’s Victoria and Albert Museum in September and will be on show until March 22, 2026. Among the 250 pieces showcased are special items from the Palace of Versailles that had never been on display outside France. The exhibition blended historical and contemporary fashion while exploring the French queen’s legacy and how she has remained a lasting source of inspiration.
Mellon Blue Diamond Sells for $25.6M at Christie’s
The Mellon Blue, a modified pear brilliant-cut, 9.51-carat, fancy-vivid-blue, VVS1-clarity diamond, fetched CHF 20.5 million ($25.6 million) at the November 11 Magnificent Jewels sale at Christie’s in Geneva — some 20% less than the last time the diamond went under the hammer in 2014. The jewel previously belonged to American horticulturalist, philanthropist, and art collector Rachel Lambert Mellon, better known as Bunny Mellon, who died in 2014.
$20M Pink-Diamond Ring to Star at Sotheby’s
In October Sotheby’s announced that the Glowing Rose, a cushion brilliant-cut, 10.08-carat, fancy-vivid-pink diamond ring, would star at the November 12 High Jewelry sale. The ring was estimated to achieve around $20 million.
Marie Antoinette Pink Diamond Tops Sold-Out Christie’s Auction
A JAR ring featuring a kite-shaped, 10.38-carat, fancy-purple-pink stone, thought to have belonged to Marie Antoinette, led the June 17 Magnificent Jewels sale at Christie’s in New York, where it doubled its estimate and brought in $14 million.
Sotheby’s Hong Kong Sale Rakes In $28.7M
The cushion-shaped, 12.56-carat, royal-blue Kashmir sapphire and diamond ring took the center stage at the September 19 High Jewelry sale at Sotheby’s in Hong Kong, selling for HKD 18.7 million ($2.4 million), within its estimates. In total, the sale garnered HKD 223.8 million ($28.7 million). The lots included colored diamonds and gemstones, and pieces from famous design houses such as Bulgari, Cartier, Graff and de Grisogono.
LinkedIn:
Israel Finance Minister Wants Country to Be Free-Trade Zone for Diamonds
https://www.linkedin.com/feed/update/urn:li:activity:7376919548014292992
Israeli Finance Minister Bezalel Smotrich stated in September that he would include a proposition in the country’s 2026 budget to make the country a free-trade zone for diamonds. He announced the move, which Israel Diamond Exchange (IDE) president Nissim Zuaretz spearheaded, during a visit to the bourse, it revealed on its Instagram page.
Kira Jewels Nearly Doubles Synthetics Production Capacity
https://www.linkedin.com/feed/update/urn:li:activity:7373692747033071616
Kira Jewels, the India-based company that also owns natural-diamond provider Kiran Gems, expanded its lab-grown production capacity to 250,000 carats of polished per month. The company upped the number of chemical vapor deposition (CVD) reactors in its facility to 4,000 from its previous 2,600. Kira based its decision to nearly double its output on the acceleration of consumer demand for synthetics.
Paraiba Tiffany Necklace Soars to Record-Setting $4M at Christie’s
https://www.linkedin.com/feed/update/urn:li:activity:7404887357583245312
A Tiffany & Co. necklace sporting a triangular modified brilliant-cut, 13.54-carat Paraiba tourmaline and dripping with round, pear and square-shaped diamonds, set a world auction record when it sold for $4.2 million — more than seven times its high estimate — at the December 10 Magnificent Jewels auction at Christie’s in New York.
Natural and Lab-Grown Diamonds Sent to GIA with Counterfeit Inscriptions
https://www.linkedin.com/feed/update/urn:li:activity:7370818540171341825
Four natural and synthetic diamonds received at the Dubai lab of the Gemological Institute of America (GIA) for updated services turned out to be imposters bearing fake inscriptions. Upon first examination of the stones, the lab noticed inconsistent font styles and placement of the GIA inscriptions, proving they were not authentic, according to an article in the Fall issue of Gems & Gemology, the institute’s quarterly journal.
Guess the Carats
https://www.linkedin.com/feed/update/urn:li:activity:7361643959321825280
Valued at up to $5 million, Georgina Rodríguez’s engagement ring from Cristiano Ronaldo features a perfectly proportionated oval center diamond, most likely in D to F color. Jewelers estimated its size at anywhere from 15 to 37 carats.
Instagram:
How much are Americans Spending on Engagement Rings?
https://www.instagram.com/p/DKy1mNEonY_
Americans are spending more on engagement rings — with the average now hitting $5,493. But what’s driving their decisions? Rapaport analyzed the data from The @plumbclub survey from spending trends to shopping habits.
Six of 2025’s Hottest Engagement Ring Trends
https://www.instagram.com/p/DRtwx8mD4NQ
A Rapaport Magazine story took a look at engagement ring trends, including pumped-up sizes and two-stone designs, as well unusual gem and setting choices.
US Customs Seizes over $25M in Counterfeit Jewelry
https://www.instagram.com/p/DLSLc8PIz6B
The US Customs and Border Protection (CBP) seized five shipments carrying nearly 2,200 pieces of counterfeit jewelry valued at over $25 million. The first package, caught in Louisville, Kentucky, on June 19, arrived from China and contained 318 bracelets bearing fake Cartier trademarks. The second delivery from Hong Kong included 490 necklaces, 205 pairs of earrings and 80 rings bearing forged Van Cleef & Arpels trademarks. A day later, authorities nabbed another three packages from China that contained a total of 800 fake Cartier bracelets.
Diamond Trade in Turmoil as US Announces 50% India Tariffs
https://www.instagram.com/p/DNDM3VkIYYj
In August, US president Donald Trump announced an increase in tariffs on Indian goods to 50% starting later that month. The news of the duty doubling from 25% sent the diamond industry into crisis.
Gap Taps Ex-Tiffany Artistic Director to Lead Push into Jewelry
https://www.instagram.com/p/DOvYPEzD155
Gap is expanding its brand to include beauty and accessories, bringing in former Tiffany & Co. chief artistic director Reed Krakoff to help it get there. Krakoff, who will be executive director of accessories, announced in September that the move is an attempt to deepen the company’s connections with customers.
Images: Christie’s/Shutterstock/The Victoria and Albert Museum/Sotheby’s