Ms Trau, who comes from a family of New York diamond manufacturers and has been working with the stone since the late 1990s, has been wearing her grandmother’s marquise ring for years.

The world's first nuclear-diamond battery uses carbon-14, which has a half-life of 5,700 years, to power devices. When you purchase through links on our site, we may earn an affiliate commission.

Selena Gomez/Instagram Diamond Pro CEO Mike Fried adds that the size of the stone adds to its mystique. “Selena Gomez’s ring is exceptionally unique,” he tells us. “A high-quality marquise ...

the cut of stone Blanco chose might actually have a sweet hidden meaning. The ring features an 8-carat marquise-shaped diamond, which might be a subtle nod to Gomez's 2015 hit song "Good For You ...

Its origins date back to 18th-century Paris when King Louis XV commissioned his court jeweller to create a diamond that resembled the smile of his official chief mistress—the Marchioness (and la ...

The Pro version is (obviously) the more expensive of the two because it offers a variety of extra features. The most compelling extra is full-featured BitLocker drive encryption for securing your ...

Researchers from the University of Bristol and the UK Atomic Energy Authority (UKAEA) have created the world’s first carbon-14 diamond battery, with a shockingly long lifespan. The battery ...