Round|Natural|GIA

0.66ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6562043215

Certificate GIA 6562043215

Diamond specifications and retailer prices

From $646 CAD
SGD 625 SGD
As of October 31, 2026
Save $650 CAD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,296 CAD 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 $646 to $1,296, a $650 spread on the same certified stone. Frank Darling lists it at $1,296. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,296 CAD|Low: $518 CAD|High: $1,338 CAD|Avg: $893 CAD|-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$518 CAD
Retailer 4$646 CAD
Retailer 9$696 CAD
Retailer 3$720 CAD
Retailer 8$861 CAD
Retailer 7$907 CAD
Retailer 2$993 CAD
Retailer 5$1,020 CAD
Retailer 6$1,053 CAD
Frank Darling$1,296 CAD

30 data points across 10 retailers

9 retailers$646 CAD to $1,296 CAD

A
Cheapest Retailer
-
$646 CAD
SGD 625 SGD
A
Retailer 2
-
$696 CAD
SGD 673 SGD
View
A
Retailer 3
-
$720 CAD
$515 USD
View
A
Retailer 4
-
$861 CAD
$616 USD
View
A
Retailer 5
-
$907 CAD
$649 USD
View
A
Retailer 6
-
$993 CAD
€677 EUR
View
A
Retailer 7
-
$1,020 CAD
£575 GBP
View
Retailer 8
-
$1,053 CAD
$754 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
Frank Darling
2678820HK · Nov 2
$1,296 CAD
$928 USD
View
8 more retailers have this diamond
Prices start from $646 CADSave up to $650 CAD

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
$646 CAD