If you happen to have any questions that are not answered in our FAQs or if you need help selecting a piece of jewellery, we will be available for a personal consultation.
Please come and see us in our salesrooms in Cuneo or Alba or just give us a call. You can reach us Tuesdays through Saturdays during our opening hours from 9:00 a.m. to 12:30 a.m. and from 3:15 p.m. to 7:30 p.m. (Italian time).
The evaluation of precious stones follows a number of criteria. Two diamonds of the same size can differ considerably in regard to value as well as effect. We have summed up the most important criteria under the term “4 Cs”: Carat, Colour, Clarity, Cut
Cuneo
Corso Nizza 18, 12100 Cuneo CN, Italy
Tel: +39 0171.634555
Fax: +39 0171.697155
Alba
Via Vittorio Emanuele 32/C, 12051 Alba CN, Italy
Tel: +39 0173.366001
E-Mail: marketing@boitedor.it
Title | Meaning | Description |
---|---|---|
FL | flawless | Flawless with the exception of tool marks due to processing (no inclusions at 10X magnification). |
IF | internally flawless | Inclusions are almost impossible to perceive, even with 10x magnification. |
VVS1 / VVSI | very, very slightly inclusions | Inclusions very hard to perceive, even with 10x magnification. |
VVS2 | very, very slightly inclusions | Inclusions very hard to perceive, even with 10x magnification. |
VS1 / VSI | very slightly inclusions | Inclusions hard to perceive with 10x magnification. |
VS2 | very slightly inclusions | Inclusions perceptible with 10x magnification. |
SI1 | slightly inclusions | Inclusions easily perceptible with 10x magnification, but invisible to unaided eye. |
SI2 | slightly inclusions | Inclusions very easily perceptible with 10 x magnification, but not with the unaided eye easily. |
PI1 | Piqué I (Pikee I) | Inclusions just barely perceptible with the unaided eye, and affections to transparency and/or durability of the stone. |
PI2 | Piqué II (Pikee II) | Inclusions perceptible with the unaided eye, brilliance is slightly affected. |
PI3 | Piqué III (Pikee III) | Inclusions very perceptible with the unaided eye, brilliance is definitely affected and very dangerous stone. |
Europe ring size | Inside ring diameter (millimeter) | Inside ring circumference (millimeter) | USA ring size | British ring size | Japan ring size | Inside ring diameter (Inch) | Inside ring circumference (Inch) |
---|---|---|---|---|---|---|---|
47 or 7 | 14.69 | 47 | 4.0 | F | 7 | 0.58 | 1.85 |
48 or 8 | 15.28 | 48 | 4.5 | G | 8 | 0.60 | 1.89 |
49 or 9 | 15.60 | 49 | 5.0 | H | 9 | 0.61 | 1.93 |
50 or 10 | 15.92 | 50 | 5.5 | I | 10 | 0.63 | 1.97 |
51 or 11 | 16.23 | 51 | 6.0 | J | 11 | 0.64 | 2.01 |
52 or 12 | 16.55 | 52 | 6.5 | K | 12 | 0.65 | 2.05 |
53 or 13 | 16.87 | 53 | 7.0 | L | 13 | 0.66 | 2.09 |
54 or 14 | 17.19 | 54 | 7.5 | M | 14 | 0.68 | 2.13 |
55 or 15 | 17.51 | 55 | 8.0 | N | 15 | 0.69 | 2.17 |
56 or 16 | 17.83 | 56 | 8.5 | O | 16 | 0.70 | 2.20 |
57 or 17 | 18.14 | 57 | 9.0 | P | 17 | 0.71 | 2.24 |
58 or 18 | 18.46 | 58 | 9.5 | Q | 18 | 0.73 | 2.28 |
59 or 19 | 18.78 | 59 | 10.0 | R | 19 | 0.74 | 2.32 |
60 or 20 | 19.10 | 60 | 10.5 | S | 20 | 0.75 | 2.36 |
61 or 21 | 19.42 | 61 | 11.0 | T | 21 | 0.76 | 2.40 |
62 or 22 | 19.74 | 62 | 11.5 | U | 22 | 0.78 | 2.44 |
63 or 23 | 20.06 | 63 | 12.0 | V | 23 | 0.79 | 2.48 |
64 or 24 | 20.37 | 64 | 12.5 | W | 24 | 0.80 | 2.52 |
65 or 25 | 20.69 | 65 | 13.0 | X | 25 | 0.81 | 2.56 |
66 or 26 | 21.01 | 66 | 13.5 | Y | 26 | 0.83 | 2.60 |
67 or 27 | 21.33 | 67 | 14.0 | Z | 27 | 0.84 | 2.64 |
68 or 28 | 21.65 | 68 | 14.5 | Z+1 | 28 | 0.85 | 2.68 |
69 or 29 | 21.96 | 69 | 15.0 | Z+2 | 29 | 0.86 | 2.72 |
70 or 30 | 22.28 | 70 | 15.5 | Z+3 | 30 | 0.88 | 2.76 |