Both necklaces have two circles with the blue topaz stone inside the second smaller circle. Camilla’s necklace, however, the circles are filled with smaller diamonds, whereas Kate’s is solid gold.

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.

The diamond frame was made for Queen Mary in 1914, and the center stone can be swapped in and out—here, Birgitte opted for a pink topaz. She paired the crown with a pink topaz necklace, another ...

If mom prefers a bit of sparkle, snag this topaz rope pendant necklace that’s on sale for $96 or available in aquamarine and opal versions for a higher price. The vibrant blue topaz stone is set ...

Is the November Birthstone rare? Topaz is pretty rare, which makes it an expensive gem. If you're really looking to treat someone special (perhaps you're celebrating that 23rd wedding anniversary), ...