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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 €468 EUR
HK$4,100 HKD
As of November 1, 2026
Save €1,256 EUR (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,724 EUR 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 €468 to €1,724, a €1,256 spread on the same certified stone. NZ Jewellers lists it at €1,724. 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: €1,724 EUR|Low: €468 EUR|High: €1,724 EUR|Avg: €760 EUR
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
November 2, 2026
Retailer 4€468 EUR
Retailer 11€507 EUR
Retailer 10€557 EUR
Retailer 12€592 EUR
Retailer 15€592 EUR
Retailer 6€607 EUR
Retailer 3€635 EUR
Retailer 14€635 EUR
Retailer 2€673 EUR
Retailer 5€689 EUR
Retailer 8€737 EUR
Retailer 13€791 EUR
Retailer 7€801 EUR
Retailer 9€1,270 EUR
NZ Jewellers€1,724 EUR

39 data points across 15 retailers

14 retailers€468 EUR to €1,724 EUR

A
Cheapest Retailer
-
€468 EUR
HK$4,100 HKD
A
Retailer 2
-
€507 EUR
$569 USD
View
Final sale: no returns
Retailer 3
-
€550 EUR
$617 USD
View
Price last confirmed 49 days ago
A
Retailer 4
-
€557 EUR
$625 USD
View
A
Retailer 5
-
€577 EUR
SGD 874 SGD
View
A
Retailer 6
-
€592 EUR
$664 USD
View
A
Retailer 7
-
€592 EUR
$664 USD
View
A
Retailer 8
-
€635 EUR
$712 USD
View
A
Retailer 9
-
€635 EUR
$712 USD
View
A
Retailer 10
-
€673 EUR
£594 GBP
View
A
Retailer 11
-
€737 EUR
View
B+
Retailer 12
-
€791 EUR
$887 USD
View
B
Retailer 13
-
€1,270 EUR
£1,122 GBP
View
Most Expensive
B
NZ Jewellers
108d9daa-d786-4562-9ea8-ae75631ea637 · Oct 30
€1,724 EUR
$1,934 USD
View
13 more retailers have this diamond
Prices start from €468 EURSave up to €1,256 EUR

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
€468 EUR