Tableau des dimensions du diamant

Tailles réelles à l'écran pour les diamants ronds

round
oval
princess
cushion
emerald
radiant
asscher
marquise
heart
pear

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diagramme

tableau

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0.03 carat

⌀ 2 mm

0.006g

0.05 carat

⌀ 2.4 mm

0.01g

0.07 carat

⌀ 2.7 mm

0.014g

0.10 carat

⌀ 3 mm

0.02g

0.15 carat

⌀ 3.5 mm

0.03g

0.20 carat

⌀ 3.8 mm

0.04g

0.25 carat

⌀ 4.1 mm

0.05g

0.33 carat

⌀ 4.5 mm

0.066g

0.40 carat

⌀ 4.8 mm

0.08g

0.50 carat

⌀ 5.2 mm

0.1g

0.65 carat

⌀ 5.7 mm

0.13g

0.75 carat

⌀ 5.9 mm

0.15g

0.85 carat

⌀ 6.2 mm

0.17g

1.00 carat

⌀ 6.5 mm

0.2g

1.25 carat

⌀ 7 mm

0.25g

1.50 carat

⌀ 7.5 mm

0.3g

1.75 carat

⌀ 7.9 mm

0.35g

2.00 carat

⌀ 8.2 mm

0.4g

2.25 carat

⌀ 8.5 mm

0.45g

2.50 carat

⌀ 8.9 mm

0.5g

3.00 carat

⌀ 9.4 mm

0.6g

4.00 carat

⌀ 10.4 mm

0.8g

5.00 carat

⌀ 11.2 mm

6.00 carat

⌀ 11.9 mm

1.2g

7.00 carat

⌀ 12.5 mm

1.4g

8.00 carat

⌀ 13 mm

1.6g

10.00 carat

⌀ 14.1 mm

15.00 carat

⌀ 16.1 mm

20.00 carat

⌀ 17.7 mm

Round Diamond Sizes

Round Carat Weight	Round MM Size	Round Grams Weight
0.03 ct.	⌀ 2 mm	0.006g
0.05 ct.	⌀ 2.4 mm	0.01g
0.07 ct.	⌀ 2.7 mm	0.014g
0.1 ct.	⌀ 3 mm	0.02g
0.15 ct.	⌀ 3.5 mm	0.03g
0.2 ct.	⌀ 3.8 mm	0.04g
0.25 ct.	⌀ 4.1 mm	0.05g
0.33 ct.	⌀ 4.5 mm	0.066g
0.4 ct.	⌀ 4.8 mm	0.08g
0.5 ct.	⌀ 5.2 mm	0.1g
0.65 ct.	⌀ 5.7 mm	0.13g
0.75 ct.	⌀ 5.9 mm	0.15g
0.85 ct.	⌀ 6.2 mm	0.17g
1 ct.	⌀ 6.5 mm	0.2g
1.25 ct.	⌀ 7 mm	0.25g

Round Carat Weight	Round MM Size	Round Grams Weight
1.5 ct.	⌀ 7.5 mm	0.3g
1.75 ct.	⌀ 7.9 mm	0.35g
2 ct.	⌀ 8.2 mm	0.4g
2.25 ct.	⌀ 8.5 mm	0.45g
2.5 ct.	⌀ 8.9 mm	0.5g
3 ct.	⌀ 9.4 mm	0.6g
4 ct.	⌀ 10.4 mm	0.8g
5 ct.	⌀ 11.2 mm	1g
6 ct.	⌀ 11.9 mm	1.2g
7 ct.	⌀ 12.5 mm	1.4g
8 ct.	⌀ 13 mm	1.6g
10 ct.	⌀ 14.1 mm	2g
15 ct.	⌀ 16.1 mm	3g
20 ct.	⌀ 17.7 mm	4g

Oval Diamond Sizes

Oval Carat Weight	Oval MM Size	Oval Grams Weight
0.03 ct.	2.4 mm × 1.7 mm	0.006g
0.05 ct.	2.9 mm × 2 mm	0.01g
0.07 ct.	3.3 mm × 2.3 mm	0.014g
0.1 ct.	3.6 mm × 2.5 mm	0.02g
0.15 ct.	4.2 mm × 2.9 mm	0.03g
0.2 ct.	4.6 mm × 3.2 mm	0.04g
0.25 ct.	4.9 mm × 3.4 mm	0.05g
0.33 ct.	5.5 mm × 3.8 mm	0.066g
0.4 ct.	5.8 mm × 4 mm	0.08g
0.5 ct.	6.2 mm × 4.3 mm	0.1g
0.65 ct.	6.8 mm × 4.7 mm	0.13g
0.75 ct.	7.2 mm × 5 mm	0.15g
0.85 ct.	7.5 mm × 5.2 mm	0.17g
1 ct.	7.9 mm × 5.5 mm	0.2g
1.25 ct.	8.5 mm × 5.9 mm	0.25g

Oval Carat Weight	Oval MM Size	Oval Grams Weight
1.5 ct.	9.1 mm × 6.3 mm	0.3g
1.75 ct.	9.5 mm × 6.6 mm	0.35g
2 ct.	9.9 mm × 6.9 mm	0.4g
2.25 ct.	10.4 mm × 7.2 mm	0.45g
2.5 ct.	10.7 mm × 7.4 mm	0.5g
3 ct.	11.4 mm × 7.9 mm	0.6g
4 ct.	12.5 mm × 8.7 mm	0.8g
5 ct.	13.5 mm × 9.4 mm	1g
6 ct.	14.4 mm × 10 mm	1.2g
7 ct.	15.1 mm × 10.5 mm	1.4g
8 ct.	15.8 mm × 11 mm	1.6g
10 ct.	17 mm × 11.8 mm	2g
15 ct.	19.4 mm × 13.5 mm	3g
20 ct.	21.5 mm × 14.9 mm	4g

Princess Diamond Sizes

Princess Carat Weight	Princess MM Size	Princess Grams Weight
0.03 ct.	1.7 mm × 1.7 mm	0.006g
0.05 ct.	2.1 mm × 2.1 mm	0.01g
0.07 ct.	2.3 mm × 2.3 mm	0.014g
0.1 ct.	2.6 mm × 2.6 mm	0.02g
0.15 ct.	3 mm × 3 mm	0.03g
0.2 ct.	3.3 mm × 3.3 mm	0.04g
0.25 ct.	3.5 mm × 3.5 mm	0.05g
0.33 ct.	3.9 mm × 3.9 mm	0.066g
0.4 ct.	4.1 mm × 4.1 mm	0.08g
0.5 ct.	4.4 mm × 4.4 mm	0.1g
0.65 ct.	4.8 mm × 4.8 mm	0.13g
0.75 ct.	5.1 mm × 5.1 mm	0.15g
0.85 ct.	5.3 mm × 5.3 mm	0.17g
1 ct.	5.6 mm × 5.6 mm	0.2g
1.25 ct.	6 mm × 6 mm	0.25g

Princess Carat Weight	Princess MM Size	Princess Grams Weight
1.5 ct.	6.4 mm × 6.4 mm	0.3g
1.75 ct.	6.7 mm × 6.7 mm	0.35g
2 ct.	7 mm × 7 mm	0.4g
2.25 ct.	7.3 mm × 7.3 mm	0.45g
2.5 ct.	7.6 mm × 7.6 mm	0.5g
3 ct.	8.1 mm × 8.1 mm	0.6g
4 ct.	8.9 mm × 8.9 mm	0.8g
5 ct.	9.6 mm × 9.6 mm	1g
6 ct.	10.2 mm × 10.2 mm	1.2g
7 ct.	10.7 mm × 10.7 mm	1.4g
8 ct.	11.2 mm × 11.2 mm	1.6g
10 ct.	12 mm × 12 mm	2g
15 ct.	13.8 mm × 13.8 mm	3g
20 ct.	15.2 mm × 15.2 mm	4g

Cushion Diamond Sizes

Cushion Carat Weight	Cushion MM Size	Cushion Grams Weight
0.03 ct.	1.7 mm × 1.7 mm	0.006g
0.05 ct.	2 mm × 2 mm	0.01g
0.07 ct.	2.3 mm × 2.3 mm	0.014g
0.1 ct.	2.6 mm × 2.6 mm	0.02g
0.15 ct.	2.9 mm × 2.9 mm	0.03g
0.2 ct.	3.2 mm × 3.2 mm	0.04g
0.25 ct.	3.5 mm × 3.5 mm	0.05g
0.33 ct.	3.8 mm × 3.8 mm	0.066g
0.4 ct.	4.1 mm × 4.1 mm	0.08g
0.5 ct.	4.4 mm × 4.4 mm	0.1g
0.65 ct.	4.8 mm × 4.8 mm	0.13g
0.75 ct.	5 mm × 5 mm	0.15g
0.85 ct.	5.3 mm × 5.3 mm	0.17g
1 ct.	5.5 mm × 5.5 mm	0.2g
1.25 ct.	6 mm × 6 mm	0.25g

Cushion Carat Weight	Cushion MM Size	Cushion Grams Weight
1.5 ct.	6.3 mm × 6.3 mm	0.3g
1.75 ct.	6.7 mm × 6.7 mm	0.35g
2 ct.	7 mm × 7 mm	0.4g
2.25 ct.	7.3 mm × 7.3 mm	0.45g
2.5 ct.	7.5 mm × 7.5 mm	0.5g
3 ct.	8 mm × 8 mm	0.6g
4 ct.	8.8 mm × 8.8 mm	0.8g
5 ct.	9.5 mm × 9.5 mm	1g
6 ct.	10.1 mm × 10.1 mm	1.2g
7 ct.	10.6 mm × 10.6 mm	1.4g
8 ct.	11.1 mm × 11.1 mm	1.6g
10 ct.	12 mm × 12 mm	2g
15 ct.	13.7 mm × 13.7 mm	3g
20 ct.	15.1 mm × 15.1 mm	4g

Emerald Diamond Sizes

Emerald Carat Weight	Emerald MM Size	Emerald Grams Weight
0.03 ct.	2.2 mm × 1.5 mm	0.006g
0.05 ct.	2.6 mm × 1.8 mm	0.01g
0.07 ct.	2.9 mm × 2 mm	0.014g
0.1 ct.	3.2 mm × 2.2 mm	0.02g
0.15 ct.	3.7 mm × 2.6 mm	0.03g
0.2 ct.	4 mm × 2.8 mm	0.04g
0.25 ct.	4.3 mm × 3 mm	0.05g
0.33 ct.	4.8 mm × 3.3 mm	0.066g
0.4 ct.	5.2 mm × 3.6 mm	0.08g
0.5 ct.	5.5 mm × 3.8 mm	0.1g
0.65 ct.	6 mm × 4.2 mm	0.13g
0.75 ct.	6.3 mm × 4.4 mm	0.15g
0.85 ct.	6.6 mm × 4.6 mm	0.17g
1 ct.	6.9 mm × 4.8 mm	0.2g
1.25 ct.	7.5 mm × 5.2 mm	0.25g

Emerald Carat Weight	Emerald MM Size	Emerald Grams Weight
1.5 ct.	7.9 mm × 5.5 mm	0.3g
1.75 ct.	8.4 mm × 5.8 mm	0.35g
2 ct.	8.8 mm × 6.1 mm	0.4g
2.25 ct.	9.1 mm × 6.3 mm	0.45g
2.5 ct.	9.4 mm × 6.5 mm	0.5g
3 ct.	10.1 mm × 7 mm	0.6g
4 ct.	11.1 mm × 7.7 mm	0.8g
5 ct.	11.8 mm × 8.2 mm	1g
6 ct.	12.7 mm × 8.8 mm	1.2g
7 ct.	13.2 mm × 9.2 mm	1.4g
8 ct.	13.8 mm × 9.6 mm	1.6g
10 ct.	15 mm × 10.4 mm	2g
15 ct.	17.1 mm × 11.9 mm	3g
20 ct.	18.9 mm × 13.1 mm	4g

Radiant Diamond Sizes

Radiant Carat Weight	Radiant MM Size	Radiant Grams Weight
0.03 ct.	2.1 mm × 1.7 mm	0.006g
0.05 ct.	2.5 mm × 2 mm	0.01g
0.07 ct.	2.9 mm × 2.3 mm	0.014g
0.1 ct.	3.1 mm × 2.5 mm	0.02g
0.15 ct.	3.6 mm × 2.9 mm	0.03g
0.2 ct.	4 mm × 3.2 mm	0.04g
0.25 ct.	4.4 mm × 3.5 mm	0.05g
0.33 ct.	4.8 mm × 3.8 mm	0.066g
0.4 ct.	5 mm × 4 mm	0.08g
0.5 ct.	5.4 mm × 4.3 mm	0.1g
0.65 ct.	5.9 mm × 4.7 mm	0.13g
0.75 ct.	6.3 mm × 5 mm	0.15g
0.85 ct.	6.5 mm × 5.2 mm	0.17g
1 ct.	6.9 mm × 5.5 mm	0.2g
1.25 ct.	7.4 mm × 5.9 mm	0.25g

Radiant Carat Weight	Radiant MM Size	Radiant Grams Weight
1.5 ct.	7.9 mm × 6.3 mm	0.3g
1.75 ct.	8.3 mm × 6.6 mm	0.35g
2 ct.	8.6 mm × 6.9 mm	0.4g
2.25 ct.	9 mm × 7.2 mm	0.45g
2.5 ct.	9.3 mm × 7.4 mm	0.5g
3 ct.	9.9 mm × 7.9 mm	0.6g
4 ct.	10.9 mm × 8.7 mm	0.8g
5 ct.	11.8 mm × 9.4 mm	1g
6 ct.	12.5 mm × 10 mm	1.2g
7 ct.	13.1 mm × 10.5 mm	1.4g
8 ct.	13.8 mm × 11 mm	1.6g
10 ct.	14.8 mm × 11.8 mm	2g
15 ct.	16.9 mm × 13.5 mm	3g
20 ct.	18.6 mm × 14.9 mm	4g

Asscher Diamond Sizes

Asscher Carat Weight	Asscher MM Size	Asscher Grams Weight
0.03 ct.	1.7 mm × 1.7 mm	0.006g
0.05 ct.	2 mm × 2 mm	0.01g
0.07 ct.	2.3 mm × 2.3 mm	0.014g
0.1 ct.	2.6 mm × 2.6 mm	0.02g
0.15 ct.	2.9 mm × 2.9 mm	0.03g
0.2 ct.	3.2 mm × 3.2 mm	0.04g
0.25 ct.	3.5 mm × 3.5 mm	0.05g
0.33 ct.	3.8 mm × 3.8 mm	0.066g
0.4 ct.	4.1 mm × 4.1 mm	0.08g
0.5 ct.	4.4 mm × 4.4 mm	0.1g
0.65 ct.	4.8 mm × 4.8 mm	0.13g
0.75 ct.	5 mm × 5 mm	0.15g
0.85 ct.	5.3 mm × 5.3 mm	0.17g
1 ct.	5.5 mm × 5.5 mm	0.2g
1.25 ct.	6 mm × 6 mm	0.25g

Asscher Carat Weight	Asscher MM Size	Asscher Grams Weight
1.5 ct.	6.3 mm × 6.3 mm	0.3g
1.75 ct.	6.7 mm × 6.7 mm	0.35g
2 ct.	7 mm × 7 mm	0.4g
2.25 ct.	7.3 mm × 7.3 mm	0.45g
2.5 ct.	7.5 mm × 7.5 mm	0.5g
3 ct.	8 mm × 8 mm	0.6g
4 ct.	8.8 mm × 8.8 mm	0.8g
5 ct.	9.5 mm × 9.5 mm	1g
6 ct.	10.1 mm × 10.1 mm	1.2g
7 ct.	10.6 mm × 10.6 mm	1.4g
8 ct.	11.1 mm × 11.1 mm	1.6g
10 ct.	12 mm × 12 mm	2g
15 ct.	13.7 mm × 13.7 mm	3g
20 ct.	15.1 mm × 15.1 mm	4g

Marquise Diamond Sizes

Marquise Carat Weight	Marquise MM Size	Marquise Grams Weight
0.03 ct.	3 mm × 1.5 mm	0.006g
0.05 ct.	3.6 mm × 1.8 mm	0.01g
0.07 ct.	4 mm × 2 mm	0.014g
0.1 ct.	4.6 mm × 2.3 mm	0.02g
0.15 ct.	5.2 mm × 2.6 mm	0.03g
0.2 ct.	5.8 mm × 2.9 mm	0.04g
0.25 ct.	6.2 mm × 3.1 mm	0.05g
0.33 ct.	6.8 mm × 3.4 mm	0.066g
0.4 ct.	7.4 mm × 3.7 mm	0.08g
0.5 ct.	7.8 mm × 3.9 mm	0.1g
0.65 ct.	8.6 mm × 4.3 mm	0.13g
0.75 ct.	9 mm × 4.5 mm	0.15g
0.85 ct.	9.4 mm × 4.7 mm	0.17g
1 ct.	10 mm × 5 mm	0.2g
1.25 ct.	10.6 mm × 5.3 mm	0.25g

Marquise Carat Weight	Marquise MM Size	Marquise Grams Weight
1.5 ct.	11.4 mm × 5.7 mm	0.3g
1.75 ct.	12 mm × 6 mm	0.35g
2 ct.	12.4 mm × 6.2 mm	0.4g
2.25 ct.	13 mm × 6.5 mm	0.45g
2.5 ct.	13.4 mm × 6.7 mm	0.5g
3 ct.	14.2 mm × 7.1 mm	0.6g
4 ct.	15.8 mm × 7.9 mm	0.8g
5 ct.	17 mm × 8.5 mm	1g
6 ct.	18 mm × 9 mm	1.2g
7 ct.	19 mm × 9.5 mm	1.4g
8 ct.	19.8 mm × 9.9 mm	1.6g
10 ct.	21.4 mm × 10.7 mm	2g
15 ct.	24.4 mm × 12.2 mm	3g
20 ct.	27 mm × 13.5 mm	4g

Heart Diamond Sizes

Heart Carat Weight	Heart MM Size	Heart Grams Weight
0.03 ct.	2 mm × 2 mm	0.006g
0.05 ct.	2.4 mm × 2.4 mm	0.01g
0.07 ct.	2.7 mm × 2.7 mm	0.014g
0.1 ct.	3 mm × 3 mm	0.02g
0.15 ct.	3.5 mm × 3.5 mm	0.03g
0.2 ct.	3.8 mm × 3.8 mm	0.04g
0.25 ct.	4.1 mm × 4.1 mm	0.05g
0.33 ct.	4.5 mm × 4.5 mm	0.066g
0.4 ct.	4.8 mm × 4.8 mm	0.08g
0.5 ct.	5.2 mm × 5.2 mm	0.1g
0.65 ct.	5.7 mm × 5.7 mm	0.13g
0.75 ct.	5.9 mm × 5.9 mm	0.15g
0.85 ct.	6.2 mm × 6.2 mm	0.17g
1 ct.	6.5 mm × 6.5 mm	0.2g
1.25 ct.	7 mm × 7 mm	0.25g

Heart Carat Weight	Heart MM Size	Heart Grams Weight
1.5 ct.	7.5 mm × 7.5 mm	0.3g
1.75 ct.	7.9 mm × 7.9 mm	0.35g
2 ct.	8.2 mm × 8.2 mm	0.4g
2.25 ct.	8.5 mm × 8.5 mm	0.45g
2.5 ct.	8.9 mm × 8.9 mm	0.5g
3 ct.	9.4 mm × 9.4 mm	0.6g
4 ct.	10.4 mm × 10.4 mm	0.8g
5 ct.	11.2 mm × 11.2 mm	1g
6 ct.	11.9 mm × 11.9 mm	1.2g
7 ct.	12.5 mm × 12.5 mm	1.4g
8 ct.	13 mm × 13 mm	1.6g
10 ct.	14.1 mm × 14.1 mm	2g
15 ct.	16.1 mm × 16.1 mm	3g
20 ct.	17.7 mm × 17.7 mm	4g

Pear Diamond Sizes

Pear Carat Weight	Pear MM Size	Pear Grams Weight
0.03 ct.	2.6 mm × 1.7 mm	0.006g
0.05 ct.	3.2 mm × 2.1 mm	0.01g
0.07 ct.	3.5 mm × 2.3 mm	0.014g
0.1 ct.	3.9 mm × 2.6 mm	0.02g
0.15 ct.	4.5 mm × 3 mm	0.03g
0.2 ct.	4.9 mm × 3.3 mm	0.04g
0.25 ct.	5.3 mm × 3.5 mm	0.05g
0.33 ct.	5.9 mm × 3.9 mm	0.066g
0.4 ct.	6.1 mm × 4.1 mm	0.08g
0.5 ct.	6.8 mm × 4.5 mm	0.1g
0.65 ct.	7.4 mm × 4.9 mm	0.13g
0.75 ct.	7.7 mm × 5.1 mm	0.15g
0.85 ct.	8 mm × 5.3 mm	0.17g
1 ct.	8.4 mm × 5.6 mm	0.2g
1.25 ct.	9.1 mm × 6.1 mm	0.25g

Pear Carat Weight	Pear MM Size	Pear Grams Weight
1.5 ct.	9.6 mm × 6.4 mm	0.3g
1.75 ct.	10.2 mm × 6.8 mm	0.35g
2 ct.	10.6 mm × 7.1 mm	0.4g
2.25 ct.	11.1 mm × 7.4 mm	0.45g
2.5 ct.	11.4 mm × 7.6 mm	0.5g
3 ct.	12.1 mm × 8.1 mm	0.6g
4 ct.	13.4 mm × 8.9 mm	0.8g
5 ct.	14.4 mm × 9.6 mm	1g
6 ct.	15.3 mm × 10.2 mm	1.2g
7 ct.	16.2 mm × 10.8 mm	1.4g
8 ct.	16.8 mm × 11.2 mm	1.6g
10 ct.	18.2 mm × 12.1 mm	2g
15 ct.	20.9 mm × 13.9 mm	3g
20 ct.	23 mm × 15.3 mm	4g

Taille & Poids des Diamants

Dimensions standard des formes les plus répandues

Quelle est la dimension d'un carat ? Bienvenue sur la page Dimensions et poids des diamants, votre guide de référence pour comprendre les dimensions et le poids des diamants. Découvrez les tailles en carats et visualisez les dimensions réelles des pierres à l'écran afin de prendre des décisions éclairées lors de l'acquisition de votre diamant.

Nos tableaux de dimensions interactifs et notre outil de conversion dimensions/poids fournissent des estimations fondées sur des proportions standard. Veuillez noter que les estimations peuvent varier pour les tailles non standard. Pour toute question, n'hésitez pas à contacter notre équipe par messagerie instantanée.