Founded by Laurence Graff in 1960 as British multinational jeweller. First jeweller to receive Queen's Award for Industry and Export in 1973. Maintains Kimberley Process and uses unique GIA tracking numbers. Operates over 50 stores worldwide, including Paris boutique
Harry Winston leads with $6.6 billion net worth, known for Hope Diamond. Cartier ranks second with $18.61 billion, famous for panther-shaped brooches. Van Cleef & Arpels follows at $10.4 billion, known for Mystery Setting technology
Cartier was founded by Louis-François Cartier in 1847. Brand gained reputation in 1904 with Bestiary collection and Santos watch. Known as "Jeweler of Kings" for royal connections
World's first dinner set made entirely from real pearls. Contains 62 pieces for 12 people. Features transparent structure and embossed design. Up to 25% more durable than traditional dinnerware. Non-porous surface for hygiene
Graff was founded in 1960 by Laurence Graff in London. Company acquired Star of Bombay sapphire in 1974. Graff opened stores in Tokyo, New York, and Monte Carlo in 1980s-1990s. Graff Pink diamond sold for $46 million in 2010