Gemstone Tolerances

Round + Square + Cushion + Asscher

Heart + Trillion + Triangle

Oval + Emerald + Antique Cushion + Radiant

Marquise + Baguette

Tapered Baguette (tapered side)

Pear

Pearls

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Let our team do the work for you by selecting Match for size and color when you add to cart, tell us your desired size in the special instructions, and we will measure each gemstone to be as close as possible. Quantity discounts are excluded from this service.

Size	MM Range	Tolerance
1.00	0.86 - 1.15	+/- 0.10
1.25	1.16 - 1.35	+/- 0.10
1.50	1.36 - 1.65	+/- 0.15
1.75	1.66 - 1.85	+/- 0.10
2.00	1.86 - 2.15	+/- 0.15
2.25	2.16 - 2.35	+/- 0.10
2.50	2.36 - 2.65	+/- 0.15
2.75	2.66 - 2.85	+/- 0.10
3.00	2.86 - 3.15	+/- 0.15
3.25	3.16 - 3.35	+/- 0.10
3.50	3.36 - 3.65	+/- 0.15
3.75	3.66 - 3.85	+/- 0.10
4.00	3.90 - 4.20	+/- 0.20
4.50	4.30 - 4.70	+/- 0.20
4.75	4.66 - 4.85	+/- 0.10
5.00	4.80 - 5.20	+.20 -0.15
5.50	5.30 - 5.70	+/- 0.20
6.00	5.80 - 6.20	+/- 0.20
6.50	6.30 - 6.70	+/- 0.20
7.00	6.80 - 7.20	+/- 0.20
7.50	7.30 - 7.70	+/- 0.20
8.00	7.80 - 8.30	+0.30 -0.20
8.50	8.40 - 8.70	+0.30 -0.20
9.00	8.80 - 9.30	+0.30 -0.20
9.50	9.40 - 9.70	+0.30 -0.20
10.00	9.80 - 10.30	+0.30 -0.20

Size	MM Range	Tolerance
3.00	2.80 - 3.20	+/- 0.20
3.50	3.30 - 3.70	+/- 0.20
4.00	3.80 - 4.20	+/- 0.20
4.50	4.30 - 4.70	+/- 0.20
5.00	4.80 - 5.20	+/- 0.20
5.50	5.30 - 5.70	+/- 0.20
6.00	5.80 - 6.30	+0.30 -0.20
7.00	6.80 - 7.30	+0.30 -0.20
8.00	7.80 - 8.30	+0.30 -0.20
9.00	8.80 - 9.30	+0.30 -0.20
10.00	9.80 - 10.30	+0.30 -0.20

Size	MM Range	Tolerance
4x3	3.80 - 4.20 x 2.80 - 3.20	+/- 0.20
5x3	4.80 - 5.20 x 2.80 - 3.20	+/- 0.20
5x4	4.80 - 5.20 x 3.80 - 4.20	+/- 0.20
6x4	5.80 - 6.20 x 3.80 - 4.20	+/- 0.20
7x5	6.80 - 7.20 x 4.80 - 5.20	+/- 0.20
8x6	7.80 - 8.20 x 5.80 - 6.20	+/- 0.20
9x7	8.80 - 9.20 x 6.80 - 7.20	+/- 0.20
10x8	9.80 - 10.20 x 7.80 - 8.20	+/- 0.20
11x9	10.80 - 11.20 x 8.80 - 8.20	+/- 0.20
12x10	11.70 - 12.30 x 9.70 - 10.30	+/- 0.20
14x10	13.70 - 14.30 x 9.70 - 10.30	+/- 0.30
14x12	13.70 - 14.30 x 11.70 - 12.30	+/- 0.30
15x10	14.70 - 15.30 x 9.70 - 10.30	+/- 0.30
16x12	15.70 - 16.30 x 11.70 - 12.30	+/- 0.30
18x13	17.70 - 18.30 x 12.70 - 13.30	+/- 0.30
20x15	19.70 - 20.30 x 14.70 - 15.30	+/- 0.30

Size	MM Range	Tolerance
4x3	3.80 - 4.20 x 2.80 - 3.20	+/- 0.20
5x3	4.80 - 5.20 x 2.80 - 3.20	+/- 0.20
6x4	5.80 - 6.20 x 3.80 - 4.20	+/- 0.20
7x5	6.80 - 7.20 x 4.80 - 5.20	+/- 0.20
8x5	7.80 - 8.20 x 4.80 - 5.20	+/- 0.20
8x6	7.80 - 8.20 x 5.80 - 6.20	+/- 0.20
9x6	8.80 - 9.20 x 5.80 - 6.20	+/- 0.20
10x7	9.80 - 10.20 x 6.80 - 7.20	+/- 0.20
10x8	9.80 - 10.20 x 7.80 - 8.20	+/- 0.20
12x8	11.70 - 12.30 x 7.70 - 8.30	+/- 0.30
13x9	12.70 - 13.30 x 8.70 - 9.30	+/- 0.30
14x9	13.70 - 14.30 x 8.70 - 9.30	+/- 0.30
14x10	13.70 - 14.30 x 9.70 - 10.30	+/- 0.30
15x10	14.70 - 15.30 x 9.70 - 10.30	+/- 0.30
16x12	15.70 - 16.30 x 11.70 - 12.30	+/- 0.30

Size	MM Range	Tolerance
1.00	0.90 - 1.15	+0.15 -0.10
1.25	1.16 - 1.35	+0.15 -0.10
1.50	1.36 - 1.65	+0.15 -0.10
1.75	1.66 - 1.86	+0.15 -0.10
2.00	1.86 - 2.35	+0.35 -0.15
2.50	2.36 - 2.85	+0.35 -0.15
3.00	2.86 - 3.35	+0.35 -0.15
3.50	3.36 - 3.85	+0.35 -0.15
4.00	3.86 - 4.35	+0.35 -0.15
4.50	4.36 - 4.85	+0.35 -0.15
5.00	4.86 - 5.35	+0.35 -0.15
5.50	5.36 - 5.85	+0.35 -0.15
6.00	5.86 - 6.35	+0.35 -0.15
6.50	6.36 - 6.85	+0.35 -0.15
7.00	6.86 - 7.35	+0.35 -0.15
7.50	7.36 - 7.85	+0.35 -0.15
8.00	7.86 - 8.35	+0.35 -0.15
8.50	8.36 - 8.85	+0.35 -0.15
9.00	8.86 - 9.35	+0.35 -0.15
9.50	9.40 - 9.85	+0.35 -0.15
10.00	9.90 - 10.35	+0.35 -0.15
10.50	10.40 - 10.85	+0.35 -0.15
11.00	10.90 - 11.35	+0.35 -0.15
11.50	11.40 - 11.85	+0.35 -0.15
12.00	11.90 - 12.85	+0.35 -0.15
13.00	12.90 - 13.85	+0.35 -0.15
14.00	13.90 - 14.85	+0.35 -0.15
15.00	14.90 - 15.85	+0.35 -0.15

Size	MM Range	Tolerance
3.5x1.5	3.30 - 3.70 x 1.3 - 1.70	+ / - .20
3.5x2	3.30 - 3.60 x 1.80 - 2.20	+ / - .20
3.75x2	3.65 - 3.85 x 1.80 - 2.20	+ / - .20
4x2	3.80 - 4.20 x 1.80 - 2.20	+ / - .20
4.25x2.25	4.10 - 4.35 x 2.10 - 2.35	+.10 / -.15
4.5x2.5	4.30 - 4.70 x 2.30 - 2.70	+ / - .20
5x2.5	4.80 - 5.20 x 2.30 - 2.70	+ / - .20
5x3	4.80 - 5.20 x 2.80 - 3.20	+ / - .20
6x3	5.80 - 6.20 x 2.80 - 3.20	+ / - .20
6.5x3.5	6.30 - 6.70 x 3.30 - 3.70	+ / - .20
7x3.5	6.80 - 7.25 x 3.30 - 3.75	+.25 / -.20
8x4	7.80 - 8.25 x 3.80 - 4.25	+.25 / -.20
9x4.5	8.80 - 9.25 x 4.30 - 4.75	+.25 / -.20
10x5	9.80 - 10.25 x 4.80 - 5.25	+.25 / -.20
12x6	11.70 - 12.30 x 5.70 - 6.30	+ / - .30

Size	MM Range	Tolerance
1.00	.90 - 1.10	+ / - .10
1.25	1.15 - 1.35	+ / - .10
1.50	1.40 - 1.60	+ / - .10
1.75	1.65 - 1.85	+ / - .10
2.00	1.90 - 2.10	+ / - .10
2.25	2.15 - 2.35	+ / - .10
2.50	2.40 - 2.60	+ / - .10
2.75	2.65 - 2.85	+ / - .10
3.00	2.90 - 3.10	+ / - .10

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Findings