Explaining diamonds, gold, its features and so on...
| Ø mm | Carats |
|---|---|
| 1.35 | 0.01 |
| 1.65 | 0.02 |
| 1.9 | 0.03 |
| 2.15 | 0.04 |
| 2.3 | 0.05 |
| 2.5 | 0.06 |
| 2.6 | 0.07 |
| 2.75 | 0.08 |
| 2.8 | 0.09 |
| 2.9 | 0.10 |
| 3 | 0.11 |
| 3.1 | 0.12 |
| 3.2 | 0.13 |
| 3.3 | 0.14 |
| 3.4 | 0.15 |
| 3.5 | 0.16 |
| 3.6 | 0.17 |
| 3.7 | 0.18 |
| 3.8 | 0.19 |
| 3.85 | 0.20 |
| 3.85 | 0.21 |
| 3.9 | 0.22 |
| 4 | 0.23 |
| 4 | 0.24 |
| 4.1 | 0.25 |
| 4.1 | 0.26 |
| 4.2 | 0.27 |
| 4.3 | 0.28 |
| 4.3 | 0.29 |
| 4.35 | 0.30 |
| 4.35 | 0.31 |
| 4.35 | 0.32 |
| 4.4 | 0.33 |
| 4.4 | 0.34 |
| 4.5 | 0.35 |
| 4.5 | 0.36 |
| Ø mm | Carats |
|---|---|
| 4.5 | 0.37 |
| 4.6 | 0.38 |
| 4.7 | 0.39 |
| 4.75 | 0.40 |
| 4.75 | 0.41 |
| 4.75 | 0.42 |
| 4.75 | 0.43 |
| 4.8 | 0.44 |
| 4.9 | 0.45 |
| 5 | 0.50 |
| 5.15 | 0.55 |
| 5.4 | 0.60 |
| 5.5 | 0.65 |
| 5.7 | 0.70 |
| 5.8 | 0.75 |
| 5.9 | 0.80 |
| 6 | 0.85 |
| 6 | 0.90 |
| 6.2 | 0.95 |
| 6.4 | 1.00 |
| 6.7 | 1.25 |
| 7.3 | 1.50 |
| 7.6 | 1.75 |
| 8.1 | 2.00 |
| 8.4 | 2.25 |
| 8.75 | 2.50 |
| 9.25 | 2.75 |
| 9.4 | 3.00 |
| 9.7 | 3.50 |
| 10 | 4.00 |
| 10.7 | 5.00 |
| 11.25 | 6.00 |
| 12 | 7.00 |
| 12.8 | 8.00 |
| 13.25 | 9.00 |
| 14 | 10.00 |
| mm | Carats |
|---|---|
| 1.5 | 0.03 |
| 2.0 | 0.055 |
| 2.1 | 0.06 |
| 2.2 | 0.07 |
| 2.3 | 0.08 |
| 2.4 | 0.09 |
| 2.5 | 0.10 |
| 2.6 | 0.11 |
| 2.7 | 0.12 |
| 2.8 | 0.13 |
| 2.9 | 0.15 |
| 3.0 | 0.16 |
| 3.1 | 0.18 |
| 3.2 | 0.20 |
| mm | Carats |
|---|---|
| 3.0 x 1.5 | 0.06 |
| 3.0 x 2.0 | 0.10 |
| 3.25 x 2.00 | 0.12 |
| 2.5 x 2.5 | 0.14 |
| 4.0 x 2.0 | 0.15 |
| 4.0 x 2.5 | 0.17 |
| 4.5 x 2.5 | 0.20 |
| 4.0 x 3.0 | 0.28 |
| 5.0 x 2.0 | 0.17 |
| 5.0 x 2.5 | 0.23 |
| 5.0 x 3.0 | 0.34 |
| 5.5 x 3.5 | 0.42 |
| 6.0 x 3.0 | 0.50 |
| 6.0 x 4.0 | 0.72 |
| mm | Carats |
|---|---|
| 3.0 x 2.0 | 0.04 |
| 4.0 x 2.0 | 0.08 |
| 4.5 x 2.0 | 0.11 |
| 4.5 x 3.0 | 0.16 |
| 5.0 x 2.5 | 0.16 |
| 5.0 x 3.0 | 0.21 |
| 6.0 x 3.0 | 0.31 |
| 6.5 x 4.0 | 0.46 |
| 7.0 x 4.5 | 0.51 |
| 9.0 x 5.5 | 1.00 |
| mm | Carats |
|---|---|
| 4.0 x .3.0 | 0.16 |
| 5.0 x 3.0 | 0.25 |
| 5.0 x 4.0 | 0.35 |
| 6.0 x 4.0 | 0.45 |
| 7.0 x 5.0 | |
| 8.0 x 6.0 | |
| 9.0 x 7.0 | 0.00 |
| mm | Carats |
|---|---|
| 4.0 x 3.0 | 0.16 |
| 5.0 x 3.0 | 0.23 |
| 5.0 x 4.0 | 0.31 |
| 6.0 x 4.0 | 0.41 |
| 6.0 x 5.0 | 0.51 |
| 7.0 x 5.0 | 0.74 |
| Escala de pureza | Descripción |
|---|---|
| Puro a Lupa FL e IF | Sin imperfecciones visibles y absolutamente transparente observado con una ampliación de 10 aumentos. |
| VVS VVS1-VVS2 | Muy, muy pequeñas inclusiones muy difíciles de ver con 10 aumentos |
| VS VS1-VS2 | Muy pequeñas inclusiones difíciles de ver con 10 aumentos |
| SI SI1-SI2-SI3 | Pequeñas inclusiones fácilmente observables con 10 aumentos |
| PI (Piqué I) | Inclusiones difícilmente visibles a simple vista, a través de la corona, no afectando a la brillantez |
| PII (Piqué II) | Grandes y/o numerosas inclusiones fácilmente visibles a simple vista y/o afectando ligeramente a la brillantez |
| PIII (Piqué III) | Grandes y/o numerosas inclusiones que son muy fácilmente visibles a simple vista y afectan intensamente a la brillantez |
| GIA | Escandinavia | CIBJO |
|---|---|---|
| D | River | Blanco Excepcional + |
| E | Blanco Excepcional | |
| F | Top Wesselton | Blanco extra + |
| G | Blanco extra | |
| H | Wesselton | Blanco |
| I | Top Crystal | Blanco con ligero color |
| J | Crystal | |
| K | Ligero Color | |
| L | Top Cape | |
| M-Z | From cape to yellow | Color |
| Diamantes de colores de fantasía |
| Nº BILLA TATUM | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diámetro interior | 15 | 15.5 | 15.7 | 16 | 16.5 | 16.7 | 17 | 17.2 | 17.7 | 18 | 18.2 | 18.7 | 19 | |
| 0.01Ct | 1.30mm | 46 | 47 | 48 | 48 | 49 | 50 | 50 | 51 | 52 | 53 | 53 | 54 | 55 |
| 0.015Ct | 1.50mm | 40 | 40 | 41 | 41 | 42 | 43 | 43 | 44 | 45 | 46 | 46 | 47 | 48 |
| 0.02Ct | 1.70mm | 35 | 36 | 36 | 37 | 37 | 38 | 38 | 39 | 40 | 40 | 41 | 41 | 42 |
| 0.025Ct | 1.80mm | 33 | 34 | 34 | 35 | 35 | 36 | 36 | 37 | 37 | 38 | 38 | 38 | 39 |
| 0.03Ct | 1.90mm | 31 | 32 | 32 | 33 | 33 | 34 | 34 | 35 | 35 | 36 | 36 | 37 | 38 |
| 0.04Ct | 2.10mm | 28 | 29 | 29 | 30 | 30 | 31 | 31 | 31 | 32 | 32 | 33 | 33 | 34 |
| 0.05Ct | 2.30mm | 26 | 27 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 30 | 30 | 30 | 31 |
| 0.06Ct | 2.45mm | 24 | 25 | 25 | 25 | 26 | 26 | 27 | 27 | 27 | 28 | 28 | 28 | 29 |
| 0.07Ct | 2.60mm | 23 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 27 | 27 |
| 0.08Ct | 2.70mm | 22 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 26 | 26 |
| 0.09Ct | 2.80mm | 21 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 25 | 25 |
| 0.10Ct | 2.90mm | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 26 |
| 0.11Ct | 3.05mm | 19 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 23 | 23 |
| 0.12Ct | 3.15mm | 19 | 19 | 19 | 20 | 20 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 23 |
| 0.13Ct | 3.20mm | 18 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 22 | 22 |
| 0.14Ct | 3.30mm | 18 | 18 | 18 | 19 | 19 | 19 | 20 | 20 | 20 | 21 | 21 | 21 | 22 |
| 0.15Ct | 3.45mm | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 21 |
| 0.18Ct | 3.50mm | 17 | 17 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 20 | 20 | 20 | 20 |
| 0.20Ct | 3.75mm | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 20 |
| 0.22Ct | 3.85mm | 16 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 19 | 19 | 19 |
| 0.25Ct | 4.00mm | 15 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 |
| Ø mm | Nº Tamizador | Peso | Piezas por Ct |
|---|---|---|---|
| 0.60 - 0.65 | 0.60 - 0.65 | 0.0012 | 800 |
| 0.65 - 0.70 | 0.65 - 0.70 | 0.0015 | 650 |
| 0.70 - 0.75 | 0.70 - 0.75 | 0.0019 | 515 |
| 075 - 0.80 | 0.75 - 0.80 | 0.0023 | 430 |
| 0.80 - 0.90 | 0000 - 000 | 0.0030 | 333 |
| 0.90 - 1.00 | 000 - 00 | 0.0040 | 250 |
| 1.00 - 1.10 | 00 - 0 | 0.0050 | 200 |
| 1.10 - 1.15 | 0 - 1 | 0.0060 | 167 |
| 1.15 - 1.20 | 1.0 - 1.5 | 0.0068 | 147 |
| 1.20 - 1.25 | 1.5 - 2.0 | 0.0075 | 133 |
| 1.25 - 1.30 | 2.0 - 2.5 | 0.0085 | 118 |
| 1.30 - 1.35 | 2.5 - 3.0 | 0.0095 | 105 |
| 1.35 - 1.40 | 3.0 - 3.5 | 0.0110 | 91 |
| 1.40 - 1.45 | 3.5 - 4.0 | 0.0125 | 80 |
| 1.45 - 1.50 | 4.0 - 4.5 | 0.0135 | 74 |
| 1.50 - 1.55 | 4.5 - 5.0 | 0.0150 | 66 |
| 1.55 - 1.60 | 5.0 - 5.5 | 0.0160 | 63 |
| 1.60 - 1.70 | 5.5 - 6.0 | 0.0185 | 55 |
| 1.70 - 1.80 | 6.0 - 6.5 | 0.0200 | 50 |
| 1.80 - 1.90 | 6.5 - 7.0 | 0.0250 | 40 |
| 1.90 - 2.00 | 7.0 - 7.5 | 0.0300 | 33 |
| 2.00 - 2.10 | 7.5 - 8.0 | 0.0350 | 29 |
| 2.10 - 2.20 | 8.0 - 8.5 | 0.0400 | 25 |
| 2.20 - 2.30 | 8.5 - 9.0 | 0.0450 | 22 |
| 2.30 - 2.40 | 9.0 - 9.5 | 0.0500 | 20 |
| 2.40 - 2.50 | 9.5 - 10.0 | 0.0550 | 18 |
| 2.50 - 2.60 | 10.0 - 10.5 | 0.0620 | 16 |
| 2.60 - 2.70 | 10.5 - 11.0 | 0.0720 | 14 |
| 2.70 - 2.80 | 11.0 - 11.5 | 0.0800 | 12 |
| 2.80 - 2.90 | 11.5 - 12.0 | 0.0900 | 11 |
| 2.90 - 3.00 | 12.0 - 12.5 | 0.1000 | 10 |
| 3.00 - 3.10 | 12.5 - 13.0 | 0.1100 | 9 |
| 3.10 - 3.20 | 13.0 - 13.5 | 0.1260 | 8 |