Professional Emerald Cut Diamond Size Chart
Emerald Shaped Diamond Size Comparison From CT to MM / MM to CT
Pre calculated, Emerald Cut Diamond Converion Charts from CT to MM, with reliability and high accuracy, along with recommended proportions and guides to help you maximize your return on investment.
The following weight calculations take the Emerald Cut Diamond Carat Size Chart that we all know to a higher level by converting them to MM in a wide array of sizes. This is quite a handy solution that saves a considerable amount of time. The formulas were kindly shared with us by the Esteemed Gemologists over at Ava Diamonds, and we use it on a daily basis. You’ll notice that unlike other shapes, in order to achieve accurate results, we included both the Length and Width in MM Size.
The Emerald Shaped Diamond often plays a key role in various jewelry piece, and as a member of the unique family of step cut diamonds, the emerald stands supreme. Whereas the Brilliant Cut Shapes offer a fiery sprakle, the Step Cut offers exquisite dramatic lines and, soothing brightness, and elegance that is second to none
Emerald Cut Diamond Conversion Charts From CT to MM / MM to CT
0.08 - 0.74 cts.
Copyright © AVA DIAMONDS
| EMERALD CUT CARAT WEIGHT | EMERALD CUT LENGTH MM SIZE | EMERALD CUT WIDTH MM SIZE |
|---|---|---|
| 0.08 - 0.11 ct. | 2.90 - 3.20 mm. | 2.10 - 2.30 mm. |
| 0.12 - 0.14 ct. | 3.20 - 3.40 mm. | 2.30 - 2.50 mm. |
| 0.13 - 0.15 ct. | 3.30 - 3.50 mm. | 2.30 - 2.70 mm. |
| 0.14 - 0.16 ct. | 3.50 - 3.60 mm. | 2.60 - 2.80 mm. |
| 0.16 - 0.17 ct. | 3.70 - 3.80 mm. | 2.70 - 2.80 mm. |
| 0.18 - 0.21 ct. | 3.90 - 4.00 mm. | 2.70 - 2.90 mm. |
| 0.22 - 0.24 ct. | 4.10 - 4.20 mm. | 2.90 - 3.10 mm. |
| 0.25 - 0.28 ct. | 4.30 - 4.40 mm. | 3.10 - 3.30 mm. |
| 0.30 - 0.34 ct. | 4.50 - 4.60 mm. | 3.20 - 3.40 mm. |
| 0.35 - 0.38 ct. | 4.70 - 4.80 mm. | 3.40 - 3.50 mm. |
| 0.40 - 0.44 ct. | 4.90 - 5.00 mm. | 3.50 - 3.60 mm. |
| 0.45 - 0.48 ct. | 5.00 - 5.20 mm. | 3.60 - 3.80 mm. |
| 0.50 - 0.53 ct. | 5.20 - 5.50 mm. | 3.80 - 4.00 mm. |
| 0.54 - 0.57 ct. | 5.50 - 5.70 mm. | 4.00 - 4.20 mm. |
| 0.60 - 0.68 ct. | 5.70 - 5.80 mm. | 4.00 - 4.30 mm. |
| 0.70 - 0.74 ct. | 5.90 - 6.10 mm. | 4.20 - 4.50 mm. |
Ava Diamonds
0.74 - 5.25 cts
Copyright © AVA DIAMONDS
| EMERALD CUT CARAT WEIGHT | EMERALD CUT LENGTH MM SIZE | EMERALD CUT WIDTH MM SIZE |
|---|---|---|
| 0.74 - 0.78 ct. | 6.10 - 6.20 mm. | 4.40 - 4.50 mm. |
| 0.80 - 0.88 ct. | 6.30 - 6.50 mm. | 4.40 - 4.70 mm. |
| 0.90 - 0.98 ct. | 6.50 - 6.70 mm. | 4.60 - 4.90 mm. |
| 1.00 - 1.15 ct. | 6.80 - 7.00 mm. | 4.80 - 5.20 mm. |
| 1.20 - 1.27 ct | 7.00 - 7.40 mm. | 5.10 - 5.3 mm. |
| 1.30 - 1.45 ct | 7.20 - 7.60 mm. | 5.20 - 5.50 mm. |
| 1.50 - 1.60 ct | 7.50 - 7.80 mm. | 5.40 - 5.60 mm. |
| 1.65 - 1.80 ct | 7.70 - 8.20 mm. | 5.60 - 5.80 mm. |
| 2.00 - 2.30 ct | 8.10 - 8.80 mm. | 6.00 - 6.40 mm. |
| 2.40 - 2.60 ct | 8.80 - 9.40 mm. | 6.40 - 6.70 mm. |
| 2.70 - 2.90 ct | 9.10 - 9.60 mm. | 6.60 - 6.80 mm. |
| 3.00 - 3.30 ct | 9.40 - 10.00 mm. | 6.70 - 7.30 mm. |
| 3.40 - 3.60 ct | 9.70 - 10.40 mm. | 7.20 - 7.40 mm. |
| 3.70 -3.90 ct | 9.90 - 10.80 mm. | 7.30 - 7.50 mm. |
| 4.00 - 4.20 ct | 10.30 - 10.80 mm. | 7.50 - 7.90 mm. |
| 4.40 - 4.70 ct | 10.80 - 11.20 mm. | 7.90 - 8.10 mm. |
| 5.00 - 5.25 ct | 11..20 - 11.80 mm. | 8.10 - 8.30 mm. |
Ava Diamonds
Emerald Cut Diamond on Hand
An emerald cut diamond has a very distinct presence when worn. Its long, clean rectangular form with precisely cropped corners sits with quiet confidence on the finger, offering a sophisticated architectural look that feels more refined and luxurious than flashier brilliant cuts.
What makes it truly special in real life is the famous step cut faceting. Instead of scattered sparkles, you get large, mirror like flashes that glide across the stone in dramatic sweeps whenever the hand moves. This creates a calm yet captivating hall of mirrors effect that many describe as elegant and timeless. The excellent spread of a well cut emerald also makes the stone appear surprisingly large and substantial on the finger, often much bigger than its carat weight would suggest.
The following images show emerald cut diamonds on hand from 0.75 to 3.00 carats across different finger sizes.
What are the Ideal Proportions for Emerald Cut Diamond?
While personal taste plays a lot more of a role in the case of the Emerald than let’s say the Round Cut Diamond, there are some key things you always want to avoid. One of which is the dreaded Windowed effects, which as the name suggests are large empty spaces that are the result of poor symmetry. The following guides will help you establish some clear guidelines to ensure maximizing your investment when it comes to the Emerald Shaped Diamond.
What is the Ideal Diamond Depth and Table for the Emerald Cut?
| EXCELLENT | VERY GOOD | GOOD | |
|---|---|---|---|
Table - % | 61% - 69% | 57% - 61% or 68% - 72% | 54% - 57% or 73% - 74% |
Depth - % | 60% - 67% | 58% - 61% or 67% - 70% | 57% - 59% or 57% - 71% |
Girdle | Very Thin to - | Slightly Thick | Very Thin to Thick |
Culet | None | Very Small | Small |
What is the Ideal Emerald Cut Diamond Length to Width Ratio?
Unlike shapes such as the Round Cut, Emerald Shaped Diamonds and their ideal dimensions are a mixture of personal preferences combined with ratios and guidelines. For example, certain Emerald Diamonds lean towards being rectangular, while other remain on the balance of being square. This makes having proper guidelines of establishing how square or how rectangular your Emerald Cut is, highly valuable.
| EXCELLENT | VERY GOOD | GOOD | |
|---|---|---|---|
| Length To Width Ratio | 1.35 - 1.50 | 1.30 - 1.40 or 1.50 - 1.60 | 1.25 - 1.26 or 1.59 - 1.70 |