They say that diamonds are a girl's best friend; if you are in New York, you have plenty of places to look for these diamonds. The  Diamond District on 47th Street from Fifth to Sixth Avenue is a great place to shop around. All phone numbers below are in the (212) area code unless otherwise indicated.
 
Cartier 52nd St and 5th Ave, 753-0111 and 725 5th Avenue at Trump Tower, 308-0843
 
The Clay Pot 162 7th Ave, Park Slope, Brooklyn, (800) 989-3579.
 
DVVS 263A West 19th St btwn 7th and 8th Ave, 366-4888 or 366-4115
 
Harry Winston 718 Fifth Avenue & 56th St, 245-2000
 
Kokopelli Gallery 120 Thompson St btwn Prince and Spring, 925-4411
 
Swatch Watches
640 Broadway & Bleeker St, 777-1002
100 West 72nd Street, 595-9640
5 East 57th Street, 317-1100
 
Tiffany & Co. 727 Fifth Avenue & 57th St, 755-8000
 
Tourneau
12 East 57th St and Madison, 758-7300, (800)772-7836
500 Madison Avenue at 52nd Street, 758-6098
635 Madison Avenue at 59th Street, 758-6688
200 West 34th Street and Seventh, 563-6880