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Black Opal and Diamonds Enigma ring

Size Guide
Size Guide
American French / Russian English Metric(mm.02)
2 41 1/2 D 41.50
2 1/4 - D 1/2 42.13
2 1/2 42 3/4 E 42.76
2 3/4 - E 1/2 43.45
3 44 F 44.14
3 1/8 - F 1/2 44.45
3 1/4 - F 3/4 44.77
3 3/8 45 1/4 G 45.11
3 1/2 - G 1/4 45.40
3 3/4 46 1/2 H 46.02
4 - H 1/2 46.68
4 1/4 47 3/4 I 47.25
4 1/2 - I 1/2 47.97
4 5/8 49 J 48.38
5 - J 1/2 49.32
5 1/8 50 K 49.64
5 1/2 51 3/4 L 50.58
5 3/4 - L 1/4 51.21
6 52 3/4 M 51.87
6 1/4 - M 1/2 52.50
6 1/2 54 N 53.16
6 3/4 - N 1/2 53.82
7 55 1/4 O 54.51
7 1/4 - O 1/2 54.82
7 1/2 56 1/2 P 55.76
7 3/4 - P 1/2 56.45
8 57 3/4 Q 57.15
8 1/4 - Q 1/2 57.65
8 1/2 - Q 3/4 58.21
8 5/8 59 R 58.47
9 - R 3/4 59.34
9 1/8 60 1/4 S 60.00
9 1/2 - S 3/4 60.98
9 5/8 61 1/2 T 61.29
10 - T 1/2 62.33
10 1/4 62 3/4 U 62.89
10 1/2 - U 1/2 63.46
10 5/8 63 V 63.84
11 - V 1/2 64.97
11 1/8 65 W 65.22
11 5/8 66 1/4 X 66.54
12 67 1/2 Y 67.51
12 1/2 68 3/4 Z 68.77
Size Guide
American French / Russian English Metric(mm.02)
2 41 1/2 D 41.50
2 1/4 - D 1/2 42.13
2 1/2 42 3/4 E 42.76
2 3/4 - E 1/2 43.45
3 44 F 44.14
3 1/8 - F 1/2 44.45
3 1/4 - F 3/4 44.77
3 3/8 45 1/4 G 45.11
3 1/2 - G 1/4 45.40
3 3/4 46 1/2 H 46.02
4 - H 1/2 46.68
4 1/4 47 3/4 I 47.25
4 1/2 - I 1/2 47.97
4 5/8 49 J 48.38
5 - J 1/2 49.32
5 1/8 50 K 49.64
5 1/2 51 3/4 L 50.58
5 3/4 - L 1/4 51.21
6 52 3/4 M 51.87
6 1/4 - M 1/2 52.50
6 1/2 54 N 53.16
6 3/4 - N 1/2 53.82
7 55 1/4 O 54.51
7 1/4 - O 1/2 54.82
7 1/2 56 1/2 P 55.76
7 3/4 - P 1/2 56.45
8 57 3/4 Q 57.15
8 1/4 - Q 1/2 57.65
8 1/2 - Q 3/4 58.21
8 5/8 59 R 58.47
9 - R 3/4 59.34
9 1/8 60 1/4 S 60.00
9 1/2 - S 3/4 60.98
9 5/8 61 1/2 T 61.29
10 - T 1/2 62.33
10 1/4 62 3/4 U 62.89
10 1/2 - U 1/2 63.46
10 5/8 63 V 63.84
11 - V 1/2 64.97
11 1/8 65 W 65.22
11 5/8 66 1/4 X 66.54
12 67 1/2 Y 67.51
12 1/2 68 3/4 Z 68.77

Stunning 3.74carat Lightning Ridge Black Opal, surrounded by shimmering diamonds totaling 0.96 carats. Set in 18K white gold. One-of-a-kind piece.

Size 6, can be adjusted upon request

  • 3.74ct Lighting Ridge Black Opal, Australia
  • 0.96ct t.w. round brilliant-cut diamonds
  • 18k white gold