A rare deep-pink spinel gem that once formed part of the famous Hope collection is to be sold at auction for at least £200,000 later this month. The Hope Spinel, which weighs in at 50.13 carats, was a ...

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View A ruby, tourmaline and spinel pendant set with two carre-cut rubies, fancy-cut yellow rough diamond, a cabochon light pink tourmaline, two circular-cut spinels and fancy-cut light pink tourmaline ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. Private jeweller Lauren Adriana has used spinels in her designs since launching her business a decade ago, but ...

Researchers from the University of British Columbia published the first scientific study of cobalt-blue spinel in Canada, a mineral that produces fine gemstones that range from red and pink to violet ...

All that glitters is certainly not gold. But all that is radiantly red is not a ruby either. A line of luminous crystals, ...