There are lots of options for far less than you were quoted. Go to Diamond Prices: Diamond Jewelry Facts, Diamond Tools and Consumer Reports Forum and look at the list of vendors there under resources. You can also ask on the message boards there. In the meantime, you might want to take a look at Engagement Rings - Wedding Bands, Diamond Bracelets, Earrings & Loose Diamonds and The Ultimate Diamond Information Site - GoodOldGold.com and contact their customer service departments and see how much they charge to make the indents.