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Round|Natural|GIA

1.00ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2434111237

Certificate GIA 2434111237

Diamond specifications and retailer prices

From $3,723 NZD
As of November 6, 2026
Save $7,020 NZD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $10,743 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2434111237. Listed at 19 retailers as of November 5, 2026, with prices from $3,723 to $10,743, a $7,020 spread on the same certified stone. NZ Jewellers lists it at $10,743. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2434111237
Dimensions6.53 × 6.50 × 3.85 mm
L/W Ratio1.00
Top View
6.53 mm6.50 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2434111237
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 40.8°Culet: NoneDepth 59.1%

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: $3,723 NZD|Low: $3,600 NZD|High: $8,695 NZD|Avg: $5,179 NZD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$3,723 NZD
Retailer 7$3,778 NZD
Retailer 9$4,559 NZD
Retailer 8$4,600 NZD
Retailer 10$4,741 NZD
Retailer 3$5,250 NZD
Retailer 2$5,335 NZD
Retailer 4$5,406 NZD
Retailer 6$5,838 NZD
Retailer 5$8,569 NZD

42 data points across 10 retailers

19 retailers$3,723 NZD to $10,743 NZD

A
Cheapest Retailer
-
$3,723 NZD
A
Retailer 2
-
$3,778 NZD
View
B+
Retailer 3
-
$4,387 NZD
View
B+
Retailer 4
-
$4,559 NZD
View
B+
Retailer 5
-
$4,600 NZD
View
B+
Retailer 6
-
$4,741 NZD
View
Final sale: no returns
B+
Retailer 7
-
$4,899 NZD
View
B+
Retailer 8
-
$5,137 NZD
View
Retailer 9
-
$5,137 NZD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$5,250 NZD
View
Retailer 11
-
$5,308 NZD
View
Price last confirmed 109 days ago
B+
Retailer 12
-
$5,335 NZD
View
B
Retailer 13
-
$5,390 NZD
View
B+
Retailer 14
-
$5,406 NZD
View
B+
Retailer 15
-
$5,838 NZD
View
B
Retailer 16
-
$5,929 NZD
View
B
Retailer 17
-
$6,196 NZD
View
B
Retailer 18
-
$8,569 NZD
View
Most Expensive
B
NZ Jewellers
2eb25f1f-469e-43b5-9c22-8be582780b0b · Nov 5
$10,743 NZD
$6,039 USD
View
18 more retailers have this diamond
Prices start from $3,723 NZDSave up to $7,020 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
$3,723 NZD