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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 $1,024 NZD
HK$4,500 HKD
As of November 1, 2026
Save $3,228 NZD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,251 NZD 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 $1,024 to $4,251, a $3,228 spread on the same certified stone. NZ Jewellers lists it at $4,251. 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 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: $4,251 NZD|Low: $1,024 NZD|High: $4,258 NZD|Avg: $1,606 NZD|-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$1,024 NZD
Retailer 11$1,026 NZD
Retailer 18$1,200 NZD
Retailer 3$1,241 NZD
Retailer 8$1,286 NZD
Retailer 6$1,356 NZD
Retailer 5$1,367 NZD
Retailer 12$1,397 NZD
Retailer 7$1,406 NZD
Retailer 9$1,552 NZD
Retailer 15$1,581 NZD
Retailer 4$1,591 NZD
Retailer 2$1,594 NZD
Retailer 17$1,607 NZD
Retailer 13$1,741 NZD
Retailer 14$1,778 NZD
Retailer 16$2,465 NZD
NZ Jewellers$4,251 NZD

24 data points across 18 retailers

18 retailers$1,024 NZD to $4,251 NZD

A
Cheapest Retailer
-
$1,024 NZD
HK$4,500 HKD
A
Retailer 2
-
$1,026 NZD
₹54,965 INR
View
A
Retailer 3
-
$1,200 NZD
$675 USD
View
A
Retailer 4
-
$1,241 NZD
$698 USD
View
Final sale: no returns
A
Retailer 5
-
$1,286 NZD
A$1,113 AUD
View
A
Retailer 6
-
$1,356 NZD
$763 USD
View
A
Retailer 7
-
$1,367 NZD
$769 USD
View
A
Retailer 8
-
$1,397 NZD
$786 USD
View
A
Retailer 9
-
$1,406 NZD
$791 USD
View
Retailer 10
-
$1,552 NZD
$873 USD
View
Price last confirmed 7 days ago
A
Retailer 11
-
$1,581 NZD
$889 USD
View
A
Retailer 12
-
$1,591 NZD
£705 GBP
View
B+
Retailer 13
-
$1,594 NZD
£706 GBP
View
B+
Retailer 14
-
$1,607 NZD
$904 USD
View
B+
Retailer 15
-
$1,741 NZD
£771 GBP
View
B+
Retailer 16
-
$1,778 NZD
€953 EUR
View
B
Retailer 17
-
$2,465 NZD
£1,092 GBP
View
Most Expensive
B
NZ Jewellers
0fcc5155-f3b0-456c-ae41-b3fa574cead4 · Oct 30
$4,251 NZD
$2,392 USD
View
17 more retailers have this diamond
Prices start from $1,024 NZDSave up to $3,228 NZD

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
$1,024 NZD