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0.66ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6562043215

Certificate GIA 6562043215

Diamond specifications and retailer prices

From $591 SGD
As of October 31, 2026
Save $595 SGD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,186 SGD at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 0.66ct natural round diamond

This 0.66ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562043215. Listed at 9 retailers as of October 31, 2026, with prices from $591 to $1,186, a $595 spread on the same certified stone. Frank Darling lists it at $1,186. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.66
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6562043215
Dimensions5.59 × 5.61 × 3.44 mm
L/W Ratio1.00
Culet sizeNone
Top View
5.59 mm5.61 mm0.66 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562043215
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,186 SGD|Low: $474 SGD|High: $1,224 SGD|Avg: $817 SGD|-3.1%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10$474 SGD
Retailer 4$591 SGD
Retailer 9$637 SGD
Retailer 3$659 SGD
Retailer 8$788 SGD
Retailer 7$830 SGD
Retailer 2$909 SGD
Retailer 5$934 SGD
Retailer 6$964 SGD
Frank Darling$1,186 SGD

30 data points across 10 retailers

9 retailers$591 SGD to $1,186 SGD

A
Cheapest Retailer
-
$591 SGD
A
Retailer 2
-
$637 SGD
View
A
Retailer 3
-
$659 SGD
$515 USD
View
A
Retailer 4
-
$788 SGD
$616 USD
View
A
Retailer 5
-
$830 SGD
$649 USD
View
A
Retailer 6
-
$909 SGD
€677 EUR
View
A
Retailer 7
-
$934 SGD
£575 GBP
View
Retailer 8
-
$964 SGD
$754 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
Frank Darling
2678820HK · Nov 2
$1,186 SGD
$928 USD
View
8 more retailers have this diamond
Prices start from $591 SGDSave up to $595 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.66ct Round
$591 SGD