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Heart shaped diamonds come in a variety of silhouettes, from narrow to fat. The choice of a particular silhouette should be dictated by personal preference, though the length to width ratio of a classic heart shaped diamond is approximately 1.00. For hearts that are to be set in pendants, buyers may prefer a slightly narrow cut (1.05 - 1.15), while for hearts set in a solitaire ring, a slightly wide cut (.85 - 1.00) may be most appealing. Every Lumera Diamond includes precise measurements, as well as the length to width ratio, so you know the exact shape of the heart shape diamond you are considering.
The chart below serves as a general guideline for evaluating the cut of a heart shaped diamond.
HEART SHAPED DIAMOND - CUT GUIDE
|
EXCELLENT |
VERY GOOD |
GOOD |
FAIR |
POOR |
| Table % |
53 - 63 |
52
or
64 - 65 |
51
or
66 - 68 |
50
or
69 - 70 |
< 50
or
> 70 |
| Depth % |
58 - 62 |
56 - 57.9
or
62.1 - 66 |
53 - 55.9
or
66.1 - 71 |
50 - 52.9
or
71.1 - 74 |
< 50
or
> 74 |
| Girdle |
Very Thin - Slightly Thick |
Very Thin
to
Thick |
Very Thin
to
Very Thick |
Ex. Thin
to
Ex. Thick |
| Culet |
None |
Very Small |
Small |
Medium |
> Medium |
| L/W Ratio |
.95 - 1.02 |
.89 - .94
or
1.03 - 1.05 |
.83 - .87
or
1.06 - 1.10 |
.80 - .83
or
1.11 - 1.15 |
> .80
or
< 1.15 |
Evaluating color in heart shaped diamonds is subjective. Keep in mind that many buyers may actually prefer the ever so slightly warmer colors of a G-H diamond over the cool colorlessness of a D-F diamond. In fact, most of the premium in price associated with heart shaped diamonds at the higher end of the color scale is driven by supply and demand; customers want the D-F color grades, and are willing to pay a premium to get them. In a world without diamond color grading, the price premium for higher grades would be much lower, as the actual differences in color are difficult to perceive.
The color chart below provides a general guide for evaluating color in heart shaped diamonds.
HEART SHAPED DIAMOND - COLOR GUIDE
|
EXCELLENT |
VERY GOOD |
GOOD |
FAIR |
POOR |
| < .50 ct. |
D - G |
H - I |
J - K |
L - M |
> M |
| .51-1.0 ct. |
D - F |
G |
H - I |
J - K |
> K |
| 1.0-2.0 ct. |
D - F |
G - H |
I - J |
> J |
| > 2.0 ct. |
D - F |
G |
H - I |
> I |
| Fluoro |
None |
Faint - Med |
Strong |
Very Strong |
Like color, evaluating clarity in heart shaped diamonds is subjective. GIA provides excellent help with their clarity grades. Still, it is important to understand that each customer will have a unique standard for clarity. Some may be perfectly comfortable with an inclusion as long as they cannot easily see it. Others may insist on a more technically flawless appearance. The clarity chart below provides a general guide for evaluating clarity in heart shaped diamonds.
HEART SHAPED DIAMOND - CLARITY GUIDE
|
EXCELLENT |
VERY GOOD |
GOOD |
FAIR |
POOR |
| < .50 ct. |
FL - VS2 |
SI1 - SI2 |
I1 |
I2 |
> I2 |
| .51-1.0 ct. |
FL - VS1 |
VS2 - SI1 |
SI2 |
I1 - I2 |
> I2 |
| 1.0-2.0 ct. |
FL - VVS2 |
VS1 - VS2 |
SI1 - SI2 |
I1 |
> I1 |
| > 2.0 ct. |
FL - VVS2 |
VS1 - VS2 |
SI1 |
SI2 |
> SI2 |
Questions about shape or other aspects of a diamond? Ask a diamond consultant for answers. A consultant will answer any questions you have, and if you like, search for diamonds on your behalf that match your criteria. Chat online, or call 1-888-658-6372 during store hours.
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