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Round|Natural|GIA

0.66ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6501281572

Certificate GIA 6501281572

Diamond specifications and retailer prices

From $733 CAD
HK$4,100 HKD
As of November 1, 2026
Save $1,969 CAD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,703 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 6501281572. Listed at 14 retailers as of October 30, 2026, with prices from $733 to $2,703, a $1,969 spread on the same certified stone. NZ Jewellers lists it at $2,703. 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
FluorescenceStrong
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6501281572
Dimensions5.58 × 5.56 × 3.46 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
5.58 mm5.56 mm0.66 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6501281572
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

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: Nov 1
Current: $2,703 CAD|Low: $733 CAD|High: $2,703 CAD|Avg: $1,200 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 3, 2026
Retailer 4$733 CAD
Retailer 10$795 CAD
Retailer 9$873 CAD
Retailer 11$928 CAD
Retailer 14$928 CAD
Retailer 6$951 CAD
Retailer 3$995 CAD
Retailer 13$995 CAD
Retailer 7$1,055 CAD
Retailer 5$1,080 CAD
Retailer 2$1,156 CAD
Retailer 12$1,240 CAD
Retailer 8$1,991 CAD
NZ Jewellers$2,703 CAD

40 data points across 14 retailers

14 retailers$733 CAD to $2,703 CAD

A
Cheapest Retailer
-
$733 CAD
HK$4,100 HKD
A
Retailer 2
-
$795 CAD
$569 USD
View
Final sale: no returns
Retailer 3
-
$862 CAD
$617 USD
View
Price last confirmed 49 days ago
A
Retailer 4
-
$873 CAD
$625 USD
View
A
Retailer 5
-
$904 CAD
SGD 874 SGD
View
A
Retailer 6
-
$928 CAD
$664 USD
View
A
Retailer 7
-
$928 CAD
$664 USD
View
A
Retailer 8
-
$995 CAD
$712 USD
View
A
Retailer 9
-
$995 CAD
$712 USD
View
A
Retailer 10
-
$1,055 CAD
£594 GBP
View
A
Retailer 11
-
$1,156 CAD
€788 EUR
View
B+
Retailer 12
-
$1,240 CAD
$887 USD
View
B
Retailer 13
-
$1,991 CAD
£1,122 GBP
View
Most Expensive
B
NZ Jewellers
108d9daa-d786-4562-9ea8-ae75631ea637 · Oct 30
$2,703 CAD
$1,934 USD
View
13 more retailers have this diamond
Prices start from $733 CADSave up to $1,969 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
$733 CAD