Today, Princess Diana's daughter-in-law, Princess Kate, wears Kiki McDonough's rainbow-hued gemstones for both formal and ...

On her ears, she wore Kiki McDonough Blue Topaz and Diamond Drop Earrings which are priced at £3,500. Then in April 2018, Pippa stepped out in London wearing the same necklace.

Blue topaz typically comes in three different shades — pale sky blue, cool Swiss blue, and deep London blue. No matter the shade, the shining twinkle remains the same.

London Blue Topaz Rope Pendant, $96 (orig. $120) Sky Blue Hoop Earrings, $192 (orig. $320) Tea Time Mismatched Stud Earrings, $70 (orig. $80) Amity Love Knot Stud Earrings, $80 (orig. $95) ...

LONDON (Reuters) - A flawless blue topaz gemstone, said to be the largest of its kind, is set to go on display at London's Natural History Museum. The Ostro stone weighs around 2 kg (4.4 lb) and ...

A blue topaz stone, thought to be the largest-ever, is to go on permanent loan to the Natural History Museum in London. It has been handed over by the family of gemstone pioneer Max Ostro, who ...

In our NewsHour Shares moment of the day, feast your eyes on the Ostro Stone, 9,381 carats of glittering topaz. The largest known stone of its kind, the Ostro will be on view to the public for the ...

Blue topaz is a traditional fourth wedding anniversary gift, while Imperial topaz is for the twenty-third wedding anniversary, the Geological Institute of America reports. November's other birthstone ...