Round|Natural|GIA

1.02ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2437400702

Certificate GIA 2437400702

Diamond specifications and retailer prices

From $4,180 NZD
As of November 6, 2026
Save $5,842 NZD (58%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $10,022 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct 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 2437400702. Listed at 22 retailers as of November 5, 2026, with prices from $4,180 to $10,022, a $5,842 spread on the same certified stone. NZ Jewellers lists it at $10,022. 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

1.02
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2437400702
Dimensions6.42 × 6.38 × 4.02 mm
L/W Ratio1.01
Top View
6.42 mm6.38 mm1.02 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2437400702
Side View
Table 57.0%Crown 35.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.7%

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: $4,180 NZD|Low: $4,180 NZD|High: $9,723 NZD|Avg: $5,803 NZD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$4,180 NZD
Retailer 8$4,234 NZD
Retailer 4$4,702 NZD
Retailer 9$5,107 NZD
Retailer 7$5,223 NZD
Retailer 2$5,427 NZD
Retailer 3$5,915 NZD
Retailer 6$6,150 NZD
Retailer 5$9,594 NZD

26 data points across 9 retailers

22 retailers$4,180 NZD to $10,022 NZD

A
Cheapest Retailer
-
$4,180 NZD
A
Retailer 2
-
$4,234 NZD
View
B+
Retailer 3
-
$4,702 NZD
View
B+
Retailer 4
-
$4,912 NZD
View
B+
Retailer 5
-
$5,107 NZD
View
B+
Retailer 6
-
$5,223 NZD
View
B+
Retailer 7
-
$5,308 NZD
View
Final sale: no returns
B+
Retailer 8
-
$5,427 NZD
View
B+
Retailer 9
-
$5,443 NZD
View
B
Retailer 10
-
$5,753 NZD
View
Retailer 11
-
$5,753 NZD
View
Price last confirmed 8 days ago
Retailer 12
-
$5,858 NZD
View
Price last confirmed 109 days ago
B+
Retailer 13
-
$5,892 NZD
View
B+
Retailer 14
-
$5,915 NZD
View
B+
Retailer 15
-
$5,974 NZD
View
B+
Retailer 16
-
$6,007 NZD
View
B+
Retailer 17
-
$6,150 NZD
View
B
Retailer 18
-
$6,164 NZD
View
B
Retailer 19
-
$6,319 NZD
View
B
Retailer 20
-
$6,637 NZD
View
B
Retailer 21
-
$9,594 NZD
View
Most Expensive
B
NZ Jewellers
b80a5048-eb1a-49f3-9792-df2e8abedeb6 · Nov 5
$10,022 NZD
$5,634 USD
View
21 more retailers have this diamond
Prices start from $4,180 NZDSave up to $5,842 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
1.02ct Round
$4,180 NZD