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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 $933 NZD
HK$4,100 HKD
As of November 1, 2026
Save $2,505 NZD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,437 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 6501281572. Listed at 14 retailers as of October 30, 2026, with prices from $933 to $3,437, a $2,505 spread on the same certified stone. NZ Jewellers lists it at $3,437. 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
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: $3,437 NZD|Low: $933 NZD|High: $3,437 NZD|Avg: $1,527 NZD
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$933 NZD
Retailer 10$1,011 NZD
Retailer 9$1,111 NZD
Retailer 11$1,180 NZD
Retailer 14$1,180 NZD
Retailer 6$1,210 NZD
Retailer 3$1,265 NZD
Retailer 13$1,265 NZD
Retailer 7$1,342 NZD
Retailer 5$1,374 NZD
Retailer 2$1,471 NZD
Retailer 12$1,577 NZD
Retailer 8$2,533 NZD
NZ Jewellers$3,437 NZD

40 data points across 14 retailers

14 retailers$933 NZD to $3,437 NZD

A
Cheapest Retailer
-
$933 NZD
HK$4,100 HKD
A
Retailer 2
-
$1,011 NZD
$569 USD
View
Final sale: no returns
Retailer 3
-
$1,097 NZD
$617 USD
View
Price last confirmed 49 days ago
A
Retailer 4
-
$1,111 NZD
$625 USD
View
Retailer 5
-
$1,149 NZD
SGD 874 SGD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$1,180 NZD
$664 USD
View
A
Retailer 7
-
$1,180 NZD
$664 USD
View
Retailer 8
-
$1,265 NZD
$712 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$1,265 NZD
$712 USD
View
A
Retailer 10
-
$1,342 NZD
£594 GBP
View
A
Retailer 11
-
$1,471 NZD
€788 EUR
View
B+
Retailer 12
-
$1,577 NZD
$887 USD
View
B
Retailer 13
-
$2,533 NZD
£1,122 GBP
View
Most Expensive
B
NZ Jewellers
108d9daa-d786-4562-9ea8-ae75631ea637 · Oct 30
$3,437 NZD
$1,934 USD
View
13 more retailers have this diamond
Prices start from $933 NZDSave up to $2,505 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
$933 NZD