DIAMOND POINT — Family, friends and chocolate were on Joan Butler’s planner as she marked a century on earth. Butler’s garage was decked out with balloons, photographs and smiling people on Dec. 19.

Last fall, the jewelry designer Kindred Lubeck took an elevator up six floors to a high-end showroom in New York’s diamond district. She was buzzed inside a fluorescent-lit vestibule, then waited; the ...

The best lab-grown diamonds are from retailers with stellar reputations and a stunning array to pick from: Blue Nile tops our list for 2026. To determine the best places to buy lab-grown diamonds, we ...

Birthdays only come once a year. So, when someone you care about is celebrating their special day, you want to do it up right. Whether you mark the occasion with a party, presents, cake, or all three, ...

The emergence of a new technology is often preceded by advances in materials science. The development of diamond technologies has borne that out since the material was first discovered. Diamond’s ...