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Rosie Wells - Rocks TV Host

Abby Horne - Rocks TV Host

Lindsey Carr - Rocks TV Host

Matthew MacNamara - Rocks TV Host

Angeline Davies - Rocks TV Host

Lara De Leuw - Rocks TV Host

Ruth Linnett - Rocks TV Host

Nick Davies - Rocks TV Host

Victoria Norris - Rocks TV Host

Rings from Rocks TV

Pendants from Rocks TV

Anahi Ametrine & Diamond 10K Yellow Gold Ring ATGW 9.83cts $274

One of the rarest gems in the world, a flawless blue diamond, has sold for $US7.98 million ($8.9 million) at a Sotheby's auction in Hong Kong, making it the most expensive gemstone per carat in the world sold at auction.