Certain diamonds actually are rare. Many colored diamonds are less common than their clear counterparts and they sell for a high price because of it.
The different colors of diamonds and their meanings - DiamondNet
Trend frontier Gold and Diamond Source - Fine Jewelry and Diamonds in Clearwater, FL – GDS, golds and diamonds
Round Diamond Stud Earrings 1.40ct Solitaire Diamond
Which Is Rarer: Gold or Diamonds?
68.42 Gr White Diamond Net Collar Collier Necklace For Sale at 1stDibs
7-Year-Old Finds 2.95-Carat 'Brown' Diamond at Arkansas State Park
Auction Archives - Page 3 of 3 - Data in the Rough
World's Top 6 Most Expensive Natural Precious Diamonds Gems
Which Is Rarer: Gold or Diamonds? – BC Gold Adventures
Gold Or Diamonds: Which Is More Rare?
Have you heard about the world's most Famous Diamonds? - DiamondNet