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Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 2436407019

Certificate GIA 2436407019

Diamond specifications and retailer prices

From $3,232 NZD
As of November 6, 2026
Save $6,155 NZD (66%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,387 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 very-good cut grade and certified by GIA 2436407019. Listed at 19 retailers as of November 5, 2026, with prices from $3,232 to $9,387, a $6,155 spread on the same certified stone. NZ Jewellers lists it at $9,387. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 2436407019
Dimensions6.39 × 6.32 × 3.89 mm
L/W Ratio1.01
Top View
6.39 mm6.32 mm1.00 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2436407019
Side View
Table 59.0%Crown 34°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 61.2%

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: $3,232 NZD|Low: $3,232 NZD|High: $7,950 NZD|Avg: $4,623 NZD|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$3,232 NZD
Retailer 7$3,279 NZD
Retailer 9$4,143 NZD
Retailer 8$4,175 NZD
Retailer 2$4,177 NZD
Retailer 3$4,565 NZD
Retailer 4$4,723 NZD
Retailer 5$5,061 NZD
Retailer 6$7,866 NZD

31 data points across 9 retailers

19 retailers$3,232 NZD to $9,387 NZD

A
Cheapest Retailer
-
$3,232 NZD
A
Retailer 2
-
$3,279 NZD
View
B+
Retailer 3
-
$3,972 NZD
View
B+
Retailer 4
-
$4,143 NZD
View
Final sale: no returns
B+
Retailer 5
-
$4,175 NZD
View
B+
Retailer 6
-
$4,177 NZD
View
Retailer 7
-
$4,266 NZD
View
Price last confirmed 109 days ago
B+
Retailer 8
-
$4,490 NZD
View
B+
Retailer 9
-
$4,565 NZD
View
B+
Retailer 10
-
$4,696 NZD
View
B+
Retailer 11
-
$4,723 NZD
View
B+
Retailer 12
-
$4,739 NZD
View
B+
Retailer 13
-
$4,864 NZD
View
B+
Retailer 14
-
$5,061 NZD
View
B
Retailer 15
-
$5,180 NZD
View
B
Retailer 16
-
$6,669 NZD
View
B
Retailer 17
-
$7,866 NZD
View
B
Retailer 18
-
$8,507 NZD
View
Most Expensive
C
NZ Jewellers
2c76cae2-ae71-494a-8465-77ecad09c201 · Nov 5
$9,387 NZD
$5,277 USD
View
18 more retailers have this diamond
Prices start from $3,232 NZDSave up to $6,155 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
$3,232 NZD