Product Petra 2-carat diamond engagement ring
Spinelli Kilcollin
Image Cannes 2016 Day 9: Petra Nemcova in Chopard
Auction The Blue Moon is the world’s most expensive blue diamond
Product Petra Split ring with raw white quartz and smooth rock crystal
Kara Ross
Product Petra Split ring with raw blue opal, raw hemimorphite and diamonds
Image Kara Ross Petra Split ring with raw white quartz and smooth rock crystal front view
Image Kara Ross Petra Split ring with raw blue opal, raw hemimorphite and diamonds
Image Kara Ross Petra Split ring with raw blue opal, raw hemimorphite and diamonds side view
Image Kara Ross Petra Split ring with raw and smooth amethyst and diamonds
Image Kara-Ross-Split-Amethyst-Ring-zoom
Image The exceptional 122.52 carat blue diamond recovered by Petra Diamonds at the Cullinan m...
Image Petra Diamonds recovered this exceptional 29.62ct rough blue diamond in January 2014 at...
Image CEO of Petra Diamonds, Johan Dippenaar, holding the 29.6 carat blue diamond recovered i...
Image The Star of Josephine, a 7 carat, internally flawless, fancy vivid blue diamond recover...
Image Kara Ross Petra split cocktail ring featuring a chrysocola and uvarovite garnet set in ...
Image Kara Ross Petra Smooth Contour ring in gold with sky blue topaz and diamonds ($7,500).
Image Just months ago, a 29.6ct blue diamond from Petra Diamonds' Premier Mine sold for more ...
Image The strawberry-sized blue diamond was unearthed by Petra Diamonds at its Premier Mine i...