Michelle Ong. Pomegranate.

White, Fancy Intense Yellow and Brown Diamond and Ruby brooch set in 18K White and Yellow Gold.

Michelle Ong. Paradiso Brooch.

Purple Pink Sapphire and White Diamond brooch set in 18K White Gold and Titanium.

Michelle Ong. Precious Plume.

White and Yellow Diamond, Ruby and Amethyst brooch set in Platinum and Titanium.

Michelle Ong. Sugar Plum.

Pink Tourmaline, White and Yellow Diamond, Ruby, Emerald, Pink Sapphire and Garnet brooch set in Platinum and Titanium.

Michelle Ong. Dragon.

Emerald, Ruby and White Diamond brooch set in Platinum and Silver.

Michelle Ong. Memoirs.

Carved Jade and White Diamond ring set in Platinum. 

Michelle Ong. Midnight Pumpkin.

White, Fancy Intense Yellow Diamond brooch set in Platinum and18K Yellow Gold. 

(source http://www.carnetjewellery.com)