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Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6223323213

Certificate GIA 6223323213

Diamond specifications and retailer prices

From $3,858 NZD
As of November 6, 2026
Save $6,614 NZD (63%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $10,473 NZD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 6223323213. Listed at 19 retailers as of November 5, 2026, with prices from $3,858 to $10,473, a $6,614 spread on the same certified stone. Diamond Quarter lists it at $10,473. 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
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6223323213
Dimensions6.40 × 6.35 × 3.95 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.40 mm6.35 mm1.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6223323213
Side View
Table 57.0%Crown 36°Girdle: THN-STKPavilion 40.6°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 6
Current: $4,600 NZD|Low: $3,789 NZD|High: $8,766 NZD|Avg: $5,343 NZD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$3,878 NZD
Retailer 6$4,047 NZD
Retailer 7$4,134 NZD
Retailer 1$4,600 NZD
Retailer 2$5,171 NZD
Retailer 3$5,749 NZD
Retailer 4$8,638 NZD

38 data points across 7 retailers

19 retailers$3,858 NZD to $10,473 NZD

Retailer 1
-
$3,681 NZD
Price last confirmed 26 days ago
A
Retailer 2
-
$3,858 NZD
View
A
Retailer 3
-
$3,878 NZD
View
A
Retailer 4
-
$3,930 NZD
View
A
Retailer 5
-
$4,047 NZD
View
B+
Retailer 6
-
$4,134 NZD
View
Final sale: no returns
B+
Retailer 7
-
$4,479 NZD
View
B+
Retailer 8
-
$4,554 NZD
View
B+
Retailer 9
-
$4,600 NZD
View
B+
Retailer 10
-
$4,686 NZD
View
B+
Retailer 11
-
$5,141 NZD
View
B+
Retailer 12
-
$5,141 NZD
View
B+
Retailer 13
-
$5,169 NZD
View
B+
Retailer 14
-
$5,171 NZD
View
B+
Retailer 15
-
$5,301 NZD
View
B
Retailer 16
-
$5,749 NZD
View
B
Retailer 17
-
$8,638 NZD
View
B
Retailer 18
-
$10,337 NZD
View
Most Expensive
B
Diamond Quarter
1.0SI2H6213D6DDN · Nov 5
$10,473 NZD
£4,636 GBP
View
18 more retailers have this diamond
Prices start from $3,858 NZDSave up to $6,614 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
$3,858 NZD