Tabelle delle dimensioni calibrate per pietre preziose da impostare in montature per gioielli standard
I pesi indicati sono per diamanti tagliati in proporzioni ideali. Le pietre colorate sono solitamente tagliate con un volume maggiore rispetto ai diamanti; pertanto, peseranno più delle dimensioni del grafico. La densità del materiale influenzerà anche il peso. Ad esempio un diamante tondo da 6,5 mm, uno zaffiro e un opale, tutti tagliati nelle stesse proporzioni, avranno tutti pesi diversi. Il diamante (con un peso specifico di 3,52) peserà 1 carato. Uno zaffiro (peso specifico 4) peserà 1,14 carati. L'opale (peso specifico 2,15) peserà solo 0,61 carati. Ci sono sottili variazioni a questo elenco. Ad esempio, alcuni elencano un diamante da 0,25 carati come misura 4,1 mm. Il punto non è prendere queste cifre troppo alla lettera, ma usarle come punto di partenza per stimare i pesi.
Taglio ovale Tabella delle taglie calibrate per montature di gioielli standard (pesi approssimativi)Dimensioni in mm Peso in carati |
| 5x3 | 6x4 | 7x5 | 8x6 | 9x7 | 10x8 | 11x9 | 12x10 | 14x12 |
Alessandrite | .30 | .51 | .80 | 1.45 | 2.00 | 3.60 | 4.25 | 6.00 | 8.90 |
Ametista | .23 | .45 | .85 | 1.25 | 1.75 | 2.40 | 3.20 | 4.50 | 6.50 |
Acquamarina | .20 | .40 | .75 | 1.10 | 1.75 | 2.25 | 3.00 | 4.50 | 6.75 |
citrino | .23 | .45 | .85 | 1.25 | 1.75 | 2.40 | 3.25 | 4.20 | 5.20 |
Diamante | .25 | .50 | .75 | 1.40 | 2.00 | 3.00 | 4.00 | 5.00 | 8.00 |
Smeraldo | .25 | .52 | .85 | 1.26 | 1.90 | 2.60 | 3.75 | 5.00 | 7.50 |
Granato Piropo | .25 | .55 | 1.00 | 1.40 | 2.10 | 2.80 | 3.75 | 5.00 | 7.00 |
Iolite | .21 | .40 | .63 | 1.02 | - | - | - | - | - |
Opale | .16 | .28 | .47 | .78 | 1.10 | 1.65 | 2.15 | 3.00 | 4.00 |
Peridoto | .28 | .50 | .95 | 1.35 | 2.00 | 2.50 | 3.50 | 4.00 | 6.00 |
Rubino | .35 | .60 | 1.06 | 1.55 | 2.20 | 3.15 | 3.80 | 6.00 | 7.25 |
Zaffiro | .35 | .60 | 1.00 | 1.55 | 2.20 | 3.15 | 3.80 | 6.00 | 7.25 |
tanzanite | .20 | .48 | .89 | 1.35 | - | - | - | - | - |
Topazio | .28 | .57 | 1.10 | 1.60 | 2.50 | 3.50 | 4.50 | 6.00 | 8.80 |
Tormalina | .25 | .50 | .90 | 1.18 | 2.30 | 2.90 | 3.50 | 5.25 | 6.80 |
Tsavorite | .28 | .52 | .75 | - | - | - | - | - | - |
Zircone | .40 | .75 | 1.45 | 2.00 | 2.85 | 4.00 | 5.60 | 7.50 | 8.20 |
Taglio Rotondo Tabella delle taglie calibrate per montature di gioielli standard (pesi approssimativi)Dimensioni in mm Peso in carati |
| 2 | 3 | 4 | 5 | 6 | 6.5 | 7 | 8 | 10 |
Alessandrite | .04 | .12 | .35 | .63 | 1.30 | 1.86 | 2.15 | 2.90 | 5.20 |
Ametista | .04 | .10 | .20 | .40 | .70 | 1.10 | 1.30 | 1.80 | 3.30 |
Acquamarina | .04 | .10 | .25 | .45 | .75 | 1.31 | 1.60 | 2.40 | 3.50 |
citrino | .04 | .10 | .20 | .40 | .70 | 1.10 | 1.30 | 1.80 | 3.30 |
Diamante | .03 | .10 | .23 | .47 | .80 | 1.00 | 1.25 | 1.90 | 3.50 |
Smeraldo | .04 | .12 | .27 | .48 | .80 | 1.26 | 1.70 | 2.50 | 6.10 |
Granato Piropo | .05 | .13 | .30 | .60 | 1.00 | 1.40 | 1.60 | 2.50 | 5.75 |
Opale | .02 | .09 | .16 | .34 | .57 | .75 | .83 | 1.30 | 2.00 |
Peridoto | .05 | .12 | .26 | .50 | .85 | 1.11 | 1.25 | 2.00 | 5.25 |
Rubino | .05 | .15 | .34 | .65 | 1.05 | 1.41 | 1.60 | 2.25 | 4.50 |
Zaffiro | .05 | .15 | .34 | .65 | 1.05 | 1.41 | 1.60 | 2.25 | 4.50 |
Topazio | .04 | .11 | .30 | .56 | 1.00 | 1.36 | 1.55 | 2.50 | 5.75 |
Tormalina | .04 | .12 | .24 | .45 | .75 | 1.28 | 1.55 | 2.00 | 3.00 |
Zircone | .06 | .17 | .36 | .69 | 1.25 | 1.58 | 1.75 | 2.60 | 5.00 |
Taglio a pera Tabella delle taglie calibrate per montature di gioielli standard (pesi approssimativi)Dimensioni in mm Peso in carati |
| 5x3 | 6x4 | 7x5 | 8x6 | 9x6 | 10x7 | 12x8 | 14x9 | |
Alessandrite | .30 | .50 | .85 | 1.10 | 2.10 | 3.60 | 6.60 | 8.80 | |
Ametista | .20 | .35 | .65 | .85 | 1.25 | 1.70 | 4.00 | 5.00 | |
Acquamarina | .20 | .35 | .65 | .90 | 1.30 | 1.85 | 4.20 | 5.60 | |
citrino | .20 | .35 | .65 | .85 | 1.30 | 1.70 | 4.00 | 5.00 | |
Diamante | .25 | .50 | .75 | 1.00 | 1,50 | 2.00 | 3.50 | 5.00 | |
Smeraldo | .25 | .45 | .70 | 1.05 | 1.70 | 2.60 | 4.15 | 6.10 | |
Granato Piropo | .25 | .40 | 1.00 | 1.15 | 1.30 | 1.80 | 3.50 | 5.80 | |
Opale | .13 | .22 | .35 | .50 | .70 | 1.03 | 1.40 | 2.45 | |
Peridoto | .25 | .45 | .70 | .80 | 1.10 | 1.40 | 3.40 | 4.75 | |
Rubino | .30 | .50 | .75 | 1.00 | 1.85 | 2.50 | 4.75 | 7.90 | |
Zaffiro | .30 | .50 | .75 | 1.00 | 1.85 | 2.50 | 4.75 | 7.90 | |
Topazio | .25 | .50 | 1.00 | 1.10 | 2.00 | 3.50 | 6.50 | 8.50 | |
Tormalina | .35 | .45 | .60 | .90 | 1.10 | 1.40 | 2.80 | 6.75 | |
Zircone | .30 | .70 | 1.00 | 1.30 | 2.60 | 4.00 | 5.25 | 7.50 | |
Taglio ottagono/smeraldo Tabella delle taglie calibrate per montature di gioielli standard (pesi approssimativi)Dimensioni in mm Peso in carati |
| 5x3 | 6x4 | 7x5 | 8x6 | 9x7 | 10x8 | 11x9 | 12x10 | 14x12 |
Alessandrite | .40 | .70 | 1.30 | 2.60 | 3.60 | 4.20 | 6.00 | 8.50 | 9.90 |
Ametista | .35 | .55 | 1.10 | 1.60 | 2.25 | 2.90 | 4.20 | 5.60 | 7.25 |
Acquamarina | .25 | .50 | .80 | 1.40 | 2.00 | 3.00 | 4.30 | 4.75 | 7.75 |
citrino | .35 | .55 | 1.00 | 1.60 | 2.25 | 2.90 | 4.20 | 5.60 | 7.25 |
Diamante | .25 | .50 | 1.00 | 1,50 | 3.00 | 4.00 | 5.00 | 7.80 | 8.80 |
Smeraldo | .30 | .60 | .90 | 1.80 | 2.31 | 3.15 | 4.50 | 5.25 | 5.80 |
Granato Piropo | .40 | .80 | 1.20 | 1.70 | 2.50 | 3.50 | 4.30 | 6.35 | 9.00 |
Peridoto | .35 | .60 | 1.00 | 1.70 | 2.25 | 3.80 | 5.25 | 6.25 | 8.80 |
Rubino | .55 | .75 | 1.15 | 1.60 | 2.30 | 2.75 | 4.00 | 6.25 | 9.00 |
Zaffiro | .55 | .75 | 1.15 | 1.75 | 2.30 | 2.75 | 4.00 | 6.25 | 9.00 |
Topazio | .40 | .65 | 1.25 | 2.40 | 3.40 | 4.00 | 5.75 | 8.00 | 9.50 |
Tormalina | .30 | .60 | 1.60 | 2.15 | 2.80 | 3.60 | 4.30 | 5.20 | 8.50 |
Zircone | .60 | .85 | 1.70 | 2.35 | 3.90 | 450 | 6.20 | 7.01 | 8.95 |
Taglio Marchese Tabella delle taglie calibrate per montature di gioielli standard (pesi approssimativi)Dimensioni in mm Peso in carati |
| 4x2 | 5x3 | 6x3 | 7x3,5 | 8x4 | 10x5 | 12x6 | 14x7 | |
Alessandrite | .07 | .20 | .30 | .50 | .70 | 1.25 | 2.10 | 3.50 | |
Ametista | .10 | .15 | .20 | .34 | .48 | .90 | 1.59 | 2.45 | |
Acquamarina | .08 | .14 | .20 | .25 | .50 | .80 | 1,50 | 2.75 | |
citrino | .10 | .15 | .20 | .35 | .50 | .90 | 1.59 | 2.45 | |
Diamante | .12 | .18 | .25 | .37 | .50 | 1.00 | 2.00 | 3.00 | |
Smeraldo | .09 | .19 | .30 | .45 | .60 | 1.40 | 1.80 | 2.80 | |
Granato Piropo | .09 | .16 | .25 | .42 | .60 | 1.20 | 2.00 | 2.85 | |
Opale | .09 | .13 | .17 | .27 | .37 | .59 | 1.00 | 1.25 | |
Peridoto | .10 | .17 | .25 | .37 | .50 | 1.00 | 2.00 | 2.55 | |
Rubino | .13 | .24 | .35 | .55 | .75 | 1.15 | 2.20 | 3.00 | |
Zaffiro | .13 | .24 | .35 | .55 | .75 | 1.15 | 2.20 | 3.00 | |
Topazio | .07 | .17 | .30 | .50 | .70 | 1.20 | 2.00 | 3.40 | |
Tormalina | .10 | .20 | .30 | .45 | .60 | .85 | 1.55 | 2.20 | |
Zircone | .13 | .23 | .33 | .55 | .75 | 1.25 | 1.95 | 3.00 | |