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Blue diamonds are a captivating rarity in the world of gemstones. Their mesmerizing blue hues are created by the presence of boron within the crystal structure, which can create shades ranging from pales light blues to deep intense hues.
UK / Australia / South Africa |
US / Canada | France |
Germany / Russia / Ukraine / Asia |
Italy / Spain / Netherlands / Switzerland |
Japan / India / China / South America / Turkey / Israel |
H | 4 | 46.5 | 15 | 6.5 | 7 |
I | 4.5 | 47.75 | 15.25 | 7.75 | 8 |
J | 4.75 | 48.375 | 15.5 | 8.375 | - |
K | 5.25 | 49.625 | 16 | 9.625 | - |
L | 5.75 | 50.875 | - | 10.875 | 11 |
M | 6.25 | 52.125 | 16.75 | 12.125 | - |
N | 6.75 | 53.375 | - | 13.375 | - |
O | 7 | 54 | 17.25 | 14 | 14 |
P | 7.5 | 55.25 | 17.75 | 15.25 | 15 |
Q | 8 | 56.5 | - | 16.5 | 16 |
R | 8.5 | 57.75 | 18.5 | 17.75 | 17 |
S | 9 | 59 | 19 | 19 | 18 |
T | 9.75 | 60.875 | - | 20.875 | 19 |
U | 10.25 | 62.125 | 20 | 22.125 | - |
V | 10.75 | 63.375 | 20.5 | 23.375 | 21 |
W | 11.25 | 64.625 | - | 24.625 | - |
X | 11.75 | 65.875 | 21.25 | 25.875 | - |
Y | 12 | 66.5 | 21.5 | 26.5 | 25 |
Z | 12.5 | 67.75 | 21.75 | 27.75 | 26 |