The sapphire, encircled by 14 solitaire diamonds ... Antony Armstrong-Jones presented Margaret with a ruby and diamond ring. The center ruby was a pinkish-red hue and surrounded by large cut diamonds ...

Centrepiece – Coloured gemstone at the centre of a ring creates eye-catching statement pieces. A stunning ruby surrounded by a halo of diamonds adds a royal flair, while a deep blue sapphire in ...

The Connoisseurs Diamond Dazzle Stik is a breeze to use. Just twist the base until a bit of blue cleaning solution appears on the brush. Dab onto the stone and the setting, then rinse and dry the gem.