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.

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 SizeDiamond Equivalent Weight (Dew)
6.5mm1.00ct
7.5mm1.50-1.7ct
8.5mm2ct
9mm2.50-2.70ct
9.5mm3.0ct
10mm3.5-3.6ct
10.5mm4.20ct
11mm4.75ct
11.5mm5.37ct
12mm6.13ct

Moissanite Cushion mm size to carat size chart

Moissanite SizeDiamond Equivalent Weight (Dew)
6.5mm0.90-1.00ct
7.0mm1.50-1.7ct
7.5mm2ct
8mm2.4-2.5ct
8.5mm2.5-2.8ct
9mm3-3.3ct
9.5mm4-4.2ct
10mm5.5-5.8ct
10.5mm5.8ct

 

Moissanite Princess mm size to carat size chart

Moissanite SizeDiamond Equivalent Weight (Dew)
6.5mm1.7ct
7.0mm2.1ct
7.5mm2.5ct
8mm3.1ct
8.5mm3.6ct
9mm4.3ct
10mm5.97ct

 

Moissanite Oval mm size to carat size chart

Moissanite SizeDiamond Equivalent Weight (Dew)
7x5mm1.00ct
8x6mm1.50-1.7ct
9x7mm2ct
9.5x7mm2.2ct
10x7mm2.82ct
10×7.5mm2.87ct
10x8mm3ct
11x9mm4.2ct
12x10mm5.8ct
14x10mm7.75ct

 

 

 

 

 

 

 

 

 

 

Moissanite Pear mm size to carat size chart

Moissanite SizeDiamond Equivalent Weight (Dew)
8x5mm0.9-1.00ct
9x6mm1.50-1.7ct
10x7mm1.9-2.01ct
12x8mm3.5-3.6ct
13x9mm4.7ct

 

Moissanite Radiant mm size to carat size chart

Moissanite SizeDiamond Equivalent Weight (Dew)
6x4mm0.7ct
7x5mm1.2ct
8x6mm1.8ct
9x7mm2.95ct
10x8mm3.90ct
11x9mm5.3ct

 

Moissanite Emerald mm size to carat size chart

Moissanite SizeDiamond Equivalent Weight (Dew)
7x5mm1.05ct
8x6mm1.5-1.75ct
9x7mm2.5-2.6ct
10x8mm3.2-3.5ct
11x9mm4.9ct

 

Moissanite Marquise mm size to carat size chart

Moissanite SizeDiamond Equivalent Weight (Dew)
10x5mm1ct
11×5.5mm1.42ct
12x6mm1.8ct
13×6.5mm2.23ct
14x7mm3.05ct
16x8mm3.68ct

 

 

 

 

 

 

 

 

 

 

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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.