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Round|Natural|GIA

0.66ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2564425219

Certificate GIA 2564425219

Diamond specifications and retailer prices

From $805 CAD
HK$4,500 HKD
As of November 1, 2026
Save $2,538 CAD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,343 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 2564425219. Listed at 18 retailers as of October 30, 2026, with prices from $805 to $3,343, a $2,538 spread on the same certified stone. NZ Jewellers lists it at $3,343. 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 angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2564425219
Dimensions5.58 × 5.62 × 3.44 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Crystal, Knot
Top View
5.58 mm5.62 mm0.66 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564425219
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.5%

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: $3,343 CAD|Low: $805 CAD|High: $3,348 CAD|Avg: $1,263 CAD|-0.2%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 3, 2026
Retailer 10$805 CAD
Retailer 11$806 CAD
Retailer 18$943 CAD
Retailer 3$975 CAD
Retailer 8$1,011 CAD
Retailer 6$1,066 CAD
Retailer 5$1,075 CAD
Retailer 12$1,098 CAD
Retailer 7$1,105 CAD
Retailer 9$1,220 CAD
Retailer 15$1,243 CAD
Retailer 4$1,251 CAD
Retailer 2$1,253 CAD
Retailer 17$1,263 CAD
Retailer 13$1,369 CAD
Retailer 14$1,398 CAD
Retailer 16$1,938 CAD
NZ Jewellers$3,343 CAD

24 data points across 18 retailers

18 retailers$805 CAD to $3,343 CAD

A
Cheapest Retailer
-
$805 CAD
HK$4,500 HKD
A
Retailer 2
-
$806 CAD
₹54,965 INR
View
A
Retailer 3
-
$943 CAD
$675 USD
View
A
Retailer 4
-
$975 CAD
$698 USD
View
Final sale: no returns
A
Retailer 5
-
$1,011 CAD
A$1,113 AUD
View
A
Retailer 6
-
$1,066 CAD
$763 USD
View
A
Retailer 7
-
$1,075 CAD
$769 USD
View
A
Retailer 8
-
$1,098 CAD
$786 USD
View
A
Retailer 9
-
$1,105 CAD
$791 USD
View
B+
Retailer 10
-
$1,220 CAD
$873 USD
View
A
Retailer 11
-
$1,243 CAD
$889 USD
View
A
Retailer 12
-
$1,251 CAD
£705 GBP
View
B+
Retailer 13
-
$1,253 CAD
£706 GBP
View
B+
Retailer 14
-
$1,263 CAD
$904 USD
View
B+
Retailer 15
-
$1,369 CAD
£771 GBP
View
B+
Retailer 16
-
$1,398 CAD
€953 EUR
View
B
Retailer 17
-
$1,938 CAD
£1,092 GBP
View
Most Expensive
B
NZ Jewellers
0fcc5155-f3b0-456c-ae41-b3fa574cead4 · Oct 30
$3,343 CAD
$2,392 USD
View
17 more retailers have this diamond
Prices start from $805 CADSave up to $2,538 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
$805 CAD