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Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6561364234

Certificate GIA 6561364234

Diamond specifications and retailer prices

From $2,800 NZD
As of November 6, 2026
Save $3,867 NZD (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,667 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561364234. Listed at 9 retailers as of November 4, 2026, with prices from $2,800 to $6,667, a $3,867 spread on the same certified stone. MOH London lists it at $6,667. 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

1.00
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6561364234
Dimensions6.33 × 6.37 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Indented Natural
Top View
6.33 mm6.37 mm1.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561364234
Side View
Table 57.0%Crown 35°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 63.4%

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 6
Current: $6,667 NZD|Low: $2,800 NZD|High: $6,958 NZD|Avg: $4,071 NZD|-4.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$2,800 NZD
Retailer 6$3,206 NZD
Retailer 7$3,296 NZD
Retailer 9$3,448 NZD
Retailer 3$3,497 NZD
Retailer 8$3,896 NZD
Retailer 4$4,004 NZD
Retailer 5$4,782 NZD
MOH London$6,667 NZD

16 data points across 9 retailers

9 retailers$2,800 NZD to $6,667 NZD

A
Cheapest Retailer
-
$2,800 NZD
A
Retailer 2
-
$3,206 NZD
View
A
Retailer 3
-
$3,296 NZD
View
A
Retailer 4
-
$3,448 NZD
View
A
Retailer 5
-
$3,497 NZD
View
A
Retailer 6
-
$3,896 NZD
View
A
Retailer 7
-
$4,004 NZD
View
B+
Retailer 8
-
$4,782 NZD
View
Most Expensive
B
MOH London
EAF58D2F9 · Nov 4
$6,667 NZD
£2,951 GBP
View
8 more retailers have this diamond
Prices start from $2,800 NZDSave up to $3,867 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
1.00ct Round
$2,800 NZD