Auction

Become part of our select inner circle as we take you behind-the-scenes and inside the glamorous realm of diamonds and jewelry.

The Donnersmarck Diamonds

Two exceptional yellow diamonds belonged to one of the greatest courtesans of the 1800s.

Auction Record Setters

A list of auction record setters from the past few years that will show you just how high prices can go for rare and unusual diamonds, gemstones and jewelry.

Blue Streak

Blue diamonds continue to capture the imagination of buyers at auction.

Bejeweled Glamour

The Geneva spring auctions at Christie’s and Sotheby’s were filled with jeweled art and historic gems.

The Jeweler’s Eye: Fred Leighton’s Personal Collection

Impeccable taste and an eye for beauty are the legacy of famed jeweler Fred Leighton.

Code Blue

Sapphires and blue diamonds were stars at the December New York Magnificent Jewelry auctions.

Make Your Diamond Dreams Come True

Previews of rare jewelry before it goes online

Complimentary
gift guides

The best jewelry
styling tips

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General Size	Finger Diameter	Finger Circumference
3	14.1 mm	44.2 mm
3 1/4	14.3 mm	50.0 mm
3 1/2	14.5 mm	45.5 mm
3 3/4	14.7 mm	46.1 mm
4	14.9 mm	46.8 mm
4 1/4	15.1 mm	47.4 mm
4 1/2	15.3 mm	48.0 mm
4 3/4	15.5 mm	48.7 mm
5	15,7 mm	49.3 mm
5 1/4	15.9 mm	50.0 mm
5 1/2	16.1 mm	50.6 mm
5 3/4	16.3 mm	51.2 mm
6	16.5 mm	51.9 mm
6 1/4	16.7 mm	52.5 mm
6 1/2	16.9 mm	53.1 mm
6 3/4	17.1 mm	53.8 mm
7	17.3 mm	54.4 mm
7 1/4	17.5 mm	55.1 mm
7 1/2	17.7 mm	55.7 mm
7 3/4	17.9 mm	56.3 mm
8	18.1 mm	57.0 mm
8 1/4	18.3 mm	57.6 mm
8 1/2	18.5 mm	58.3 mm
8 3/4	18.8 mm	58.9 mm
9	19.0 mm	59.5 mm

General Size

Finger Diameter

Finger Circumference

14.1 mm

44.2 mm

3 1/4

14.3 mm

50.0 mm

3 1/2

14.5 mm

45.5 mm

3 3/4

14.7 mm

46.1 mm

14.9 mm

46.8 mm

4 1/4

15.1 mm

47.4 mm

4 1/2

15.3 mm

48.0 mm

4 3/4

15.5 mm

48.7 mm

15,7 mm

49.3 mm

5 1/4

15.9 mm

50.0 mm

5 1/2

16.1 mm

50.6 mm

5 3/4

16.3 mm

51.2 mm

16.5 mm

51.9 mm

6 1/4

16.7 mm

52.5 mm

6 1/2

16.9 mm

53.1 mm

6 3/4

17.1 mm

53.8 mm

17.3 mm

54.4 mm

7 1/4

17.5 mm

55.1 mm

7 1/2

17.7 mm

55.7 mm

7 3/4

17.9 mm

56.3 mm

18.1 mm

57.0 mm

8 1/4

18.3 mm

57.6 mm

8 1/2

18.5 mm

58.3 mm

8 3/4

18.8 mm

58.9 mm

19.0 mm

59.5 mm