# $9.5 Million Diamond Accessories The World’s Most Expensive Blue Diamond is Set in a Bulgari By Ryan Fowler | Published 2013-05-23 | Unique Source: Trend Hunter, https://www.trendhunter.com/trends/bulgari-ring References: [bornrich](http://www.bornrich.com/worlds-expensive-blue-diamond-set-bulgari-ring-sold-record-62-million.html) The world’s most expensive blue diamond has been set in a custom [Bulgari](https://www.trendhunter.com/trends/luxury-jewelry-brand-bulgari) ring. The stunning ring has just sold for $9.49 million at Bonham’s fine jewelry sale in London, England. This Bulgari ring is not the first expensive item from the Italian designer, as Bulgari has been a favorite designer in the Hollywood celebrity scene since the 1960s, catering to the high class tastes of the rich and famous. The Bulgari ring features a 5.30 carat blue diamond that as of now happens to be the most expensive blue diamond in the world. The diamond has been set in a ‘Trombino’ ring that is riddled by a set of perfectly cut diamonds and [baguette cut diamonds](https://www.trendhunter.com/trends/pandora-era) making up the rest of the ring’s body. ## Trend Insights (Trend Hunter) - Score: 3.8/10 - Popularity: 67% | Activity: 38% | Freshness: 8% - Audience gender: 30% men, 70% women - Primary generations: Gen Z, Millennial, Gen X - Top markets: North America, South America, Europe, Asia, Africa ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Unique](https://www.trendhunter.com/unique) ## Key Themes ### Key Themes Behind This Trend - **$9.5 Million Diamond Accessories:** Opportunity for luxury brands to create high-end diamond accessories with exorbitant price tags. - **Custom Jewelry Design:** Disruptive innovation opportunity for jewelry designers to create bespoke pieces with unique gemstones. - **Increasing Celebrity Fashion Influence:** Growing trend of celebrities driving demand for expensive designer jewelry, providing opportunities for collaboration and endorsement deals. ### Where This Applies - **Luxury Retail:** Opportunity for luxury retailers to cater to high net worth individuals seeking exclusive and expensive diamond accessories. - **Jewelry Design:** Industry poised for disruptive innovation as designers experiment with custom designs and rare gemstones. - **Fashion and Entertainment:** Opportunity to create synergistic collaborations between celebrities and designers to capitalize on the influence of celebrity fashion on consumer trends in the luxury jewelry industry. ## Related on Trend Hunter - [Luxe Diamond Watch Cases](https://www.trendhunter.com/trends/golden-concept.md) - [Ultra-Luxurious Pet Collars](https://www.trendhunter.com/trends/pet-jewelry1.md) - [Ultra-Opulent Jewelry Boutiques](https://www.trendhunter.com/trends/luxury-jewelry-brand-bulgari.md) - [South Korean Diamond Capsules](https://www.trendhunter.com/trends/lotte-world-tower.md) - [Comprehensive High-End Jewelry Collections](https://www.trendhunter.com/trends/bulgari-aeterna.md) - [NY-based DTC Online Jeweler](https://www.trendhunter.com/trends/with-clarity.md) - [Diamond-Encrusted Car Clocks](https://www.trendhunter.com/trends/race-car-clock.md) - [Gem-Studded Songwriter Rings](https://www.trendhunter.com/trends/bandana-royale.md) - [Diamond-Encrusted Martini Glasses](https://www.trendhunter.com/trends/marrow-martini.md)