Art Deco brooch, "flower vase", platinum, diamond, ruby, sapphire, emerald.
A Pair of Blue Sapphire and Diamond 'Blue and White Reverie' Earrings by Carnet. Each designed as an annular drop composed of a titanium base pavé-set with blue sapphires, overlaid with a domed openwork motif set with rose-cut diamonds, mounted in titanium and white gold, signed Carnet.
Van Cleef and Arpels
Bague Lotus de Van Cleef and Arpels http://www.vogue.fr/thevoguelist/van-cleef-and-arpels/419#
Van Cleef & Arpels Jewelry by Clive Kandel, via Flickr