Play It Again: The Biggest Headline Buzzwords of 2025

Rough natural diamonds, lab-grown in a gumball machine, the GIA's New York office and tariffs by De Beers/Antwerp World Diamond Centre/Shutterstock images

Which words repeatedly made it into Rapaport headlines and kept the industry talking throughout the year? Beyond tariffs, De Beers and the conversation surrounding synthetic stones, the following were 2025’s most discussed words — and those that made the most appearances at the top of this publication’s stories.

Tariffs

The hottest and most controversial word of the year — mentioned over 60 times in headlines — was “tariffs.” US President Donald Trump imposed high taxes on imports into the US from most countries, shocking the world. The move impacted the diamond industry, as diamonds, gemstones and other materials used in jewelry making were subject to the new levies.

Highlighted stories included:

EU Considers Retaliatory Tariffs on Imports of US Diamonds and Gemstones

Trump Announces 90-Day Pause on Most Tariffs, Ups China Tax

US Court Nixes Most of Trump’s Tariffs – Again 

Tariffs Disrupt Diamond Markets

India Diamond Trade Stays Calm as Mexico Approves Tariffs

De Beers

Corporate moves and market changes kept diamond-mining giant De Beers firmly in the spotlight throughout 2025, with its challenges and strategies fueling ongoing discussion.

Key stories included:

De Beers Kept Prices Steady. Now What?

Anglo American Slashes De Beers Value by $2.9B

De Beers and Botswana Make 10-Year Sales Agreement Official

De Beers to Shell Out Decade-High Funding on Natural-Diamond Marketing

Botswana, Angola Seek Stakes in De Beers

Lab-Grown Diamonds/Synthetics

Heated debates about what to call lab-grown continued this year, as well as talk of how the product was disrupting the natural-diamond industry. Rapaport also gave readers the opportunity to share their views on the marketing side of lab-grown versus natural diamonds and how ads influenced them. 

Major headlines included:

The AWDC Is Putting Lab-Grown Diamonds in a Gumball Machine

Has the Natural-Diamond Industry Jumped the Shark with Its Marketing?

Natural-Diamond Marketing: We Asked, and Boy, Did You Weigh In

France Denies Appeal to Nix ‘Synthetics’ Label

IGI Reiterates Intention to Treat Lab-Grown the Same as Natural

Hong Kong

After dealing with slow diamond demand and sky-high gold prices, the Hong Kong market reported signs of recovery. Retailers such as Luk Fook and Chow Tai Fook saw a spur in sales, as consumers renewed interest in diamond-set jewelry and adapted to higher gold prices. However, retailers are starting to look beyond the Hong Kong and China market, and expanding internationally. Meanwhile, trading at the Hong Kong International Diamond, Gem & Pearl Show in March exceeded expectations, diamond dealers reported.

Prominent Hong Kong headlines included:

Hong Kong Show Surprisingly Good, Diamond Dealers Say

High Gold Prices Weigh on China’s Jewelry Market

Cash Rules Threaten Hong Kong’s Diamond Trade

Luk Fook to Expand Internationally, Even as China Begins Recovery

Gemological Institute of America (GIA)

The GIA remained an influential force, safeguarding trust in the diamond industry. This year, it introduced new board members, scholarships, and enhancements to its jewelry reports.

Notable GIA headlines included:

GIA Declines Items from Abroad That Require Shipping to US

Angola Expands Diamond Reach to GIA and Tiffany & Co.

GIA Clarifies New Guidelines for Lab-Grown Certificates

Natural and Lab-Grown Diamonds Sent to GIA with Counterfeit Inscriptions 

Images: Rough natural diamonds, lab-grown in a gumball machine, the GIA’s New York office and tariffs. (De Beers/Antwerp World Diamond Centre/Shutterstock)

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Play It Again: The Biggest Headline Buzzwords of 2025

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