Her secret to success? Not listening to others.
A grasp of provenance differentiates the mere carat collector from those in the know.
The stunning diamond fetched US$50 million (S$69 million) at a Christie's auction in Geneva yesterday, setting a new per carat record for a stone of its kind.
They include diamonds and pearls that have never been seen in public.
The next wave of passion assets worth amassing.
The Pink Star sold for US$71.2 million at Sotheby's Hong Kong last year.
As the quality of synthetics improves and ethical shopping gains a foothold, will we finally accept man-made diamonds?
How Graff Diamonds Chairman Laurence Graff became owner of over 50 luxury jewellery stores worldwide
Laurence Graff went from being a 16-year-old apprentice to owner of over 50 luxury jewellery stores in the world, including Singapore.