How Moissanite is Measured for Size

How Moissanite is Measured for Size (Moissanite Size Chart)

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How Moissanite is Measured for Size

The size of moissanite is gauged by length rather than carats. Carats are used action the weight of natural diamonds. Since moissanite is around 10% lighter than an all-natural diamond, moissanite is gauged by millimeters as opposed to carats.

It is uncomplicated, nevertheless, to contrast the two. A 6.5 mm moissanite round-cut rock, for instance, would certainly amount to a 1-carat diamond of the same size, but will certainly weigh less. To the eye of the others, they would look the same.

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Do carats still apply to moissanites?

we’re not attempting to trick you, yet this is a yes and no answer. Let us explain! All gems have a carat weight, however are sold in various ways. Moissanites are offered by their calibrated size, not by their weight.

On the other hand, rubies are marketed by their carat weight. Appears straightforward enough, right?!

Check out our complete buyer guide to moissanite rings.

How do mm and carat sizing compare?

Various gems will have various weight translations and different styles of cuts with the same diameter measurements will certainly weigh different.

Right here is a chart by size & shape to assist you in determining what size to obtain.

Moissanite Round mm size to carat size chart

Moissanite Size Diamond Equivalent Weight (Dew)
6.5mm 1.00ct
7.5mm 1.50-1.7ct
8.5mm 2ct
9mm 2.50-2.70ct
9.5mm 3.0ct
10mm 3.5-3.6ct
10.5mm 4.20ct
11mm 4.75ct
11.5mm 5.37ct
12mm 6.13ct

Moissanite Cushion mm size to carat size chart

Moissanite Size Diamond Equivalent Weight (Dew)
6.5mm 0.90-1.00ct
7.0mm 1.50-1.7ct
7.5mm 2ct
8mm 2.4-2.5ct
8.5mm 2.5-2.8ct
9mm 3-3.3ct
9.5mm 4-4.2ct
10mm 5.5-5.8ct
10.5mm 5.8ct

Moissanite Princess mm size to carat size chart

Moissanite Size Diamond Equivalent Weight (Dew)
6.5mm 1.7ct
7.0mm 2.1ct
7.5mm 2.5ct
8mm 3.1ct
8.5mm 3.6ct
9mm 4.3ct
10mm 5.97ct

Moissanite Oval mm size to carat size chart

Moissanite Size Diamond Equivalent Weight (Dew)
7x5mm 1.00ct
8x6mm 1.50-1.7ct
9x7mm 2ct
9.5x7mm 2.2ct
10x7mm 2.82ct
10×7.5mm 2.87ct
10x8mm 3ct
11x9mm 4.2ct
12x10mm 5.8ct
14x10mm 7.75ct

 

 

 

 

 

 

 

 

 

 

 

Moissanite Pear mm size to carat size chart

Moissanite Size Diamond Equivalent Weight (Dew)
8x5mm 0.9-1.00ct
9x6mm 1.50-1.7ct
10x7mm 1.9-2.01ct
12x8mm 3.5-3.6ct
13x9mm 4.7ct

 

 

 

 

 

Moissanite Radiant mm size to carat size chart

Moissanite Size Diamond Equivalent Weight (Dew)
6x4mm 0.7ct
7x5mm 1.2ct
8x6mm 1.8ct
9x7mm 2.95ct
10x8mm 3.90ct
11x9mm 5.3ct

 

Moissanite Emerald mm size to carat size chart

Moissanite Size Diamond Equivalent Weight (Dew)
7x5mm 1.05ct
8x6mm 1.5-1.75ct
9x7mm 2.5-2.6ct
10x8mm 3.2-3.5ct
11x9mm 4.9ct

Moissanite Marquise mm size to carat size chart

Moissanite Size Diamond Equivalent Weight (Dew)
10x5mm 1ct
11×5.5mm 1.42ct
12x6mm 1.8ct
13×6.5mm 2.23ct
14x7mm 3.05ct
16x8mm 3.68ct

 

 

 

 

 

 

 

 

Shop different shapes of moissanite rings at Lane Woods!

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Ring Size Guide

ring size guide
ring size guide

This is a chart that will be extremely helpful for you to determine the ring size that you need. You can either make use of a tape or a small piece of string to measure the area that will be occupied by the ring. When it becomes a complete circle, make a mark on such string. This will be helpful for you to compare with the chart that is mentioned below.

Inside Dia. Inside Circ. Size
MM MM US
CA
UK
AU
ZA
FR
DE
EUR
IT
ES
14.1 44.2 3 F 44 4.25
14.5 45.5 3.5 G 45.5 5.5
14.9 46.8 4 H 47 6.75
15.3 48 4.5 I 48 8
15.7 49.3 5 J-1/2 50 9.25
16.1 50.6 5.5 K-1/2 51 10.5
16.5 51.9 6 L-1/2 52 11.75
16.9 53.1 6.5 M-1/2 53 13.25
17.3 54.4 7 N-1/2 54 14.5
17.7 55.7 7.5 O-1/2 56 15.75
18.1 57 8 P-1/2 57 17
18.5 58.3 8.5 Q-1/2 58 18.25
19 59.5 9 R-1/2 60 19.5
19.4 60.8 9.5 S-1/2 61 20.75
19.8 62.1 10 T-1/2 62 22
20.2 63.4 10.5 U-1/2 63 23.25
20.6 64.6 11 V-1/2 64 24.75
21 65.9 11.5 W-1/2 66 26
21.4 67.2 12 X-1/2 67 27.25
21.8 68.5 12.5 Z 68 28.5
22.2 69.7 13 Z+1 70 29.75
22.6 71 13.5 Z+1.5 71 31
23 72.3 14 Z+2 72 32.25
23.4 73.5 14.5 Z+2.5 73.5 33.5
23.8 74.8 15 Z+3 75 34.75

Other Tips

1) Measure your finger in warm temperatures at the end of the day.

2) If your knuckle is a lot larger than the base of your finger, measure both the base of your finger and your knuckle and select a size between the two.

3) When considering a wide band, move up a size from your measurement, for comfort’s sake.