You can buy a diamond at Tiffany, Blue Nile, or Costco, but there are some things you should know before buying one anywhere. Skip to content. ... Costco Wholesale Corp. is a ...

After Blank opened Diamond Doctor’s high-profile location on Preston in 2011, what he calls the retail side of the business (selling diamonds at wholesale prices to individuals) began eclipsing ...

The retail price of a diamond is marked up from what the jeweler initially paid for it, sometimes more than 300% of its wholesale cost. 6 Diamond buyers aren't going to pay you what you paid ...

Like in other exchanges, you can buy and sell these contracts, which are priced at the wholesale market rate (ex-Surat) rather than at the retail price of polished diamonds.You can hold them in ...

Now De Beers, which has cut its production and is set to go public in the next 12 months after its parent Anglo American put it up for sale, is sitting on a $2 billion stockpile of unsold diamonds.