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Heart|Natural|GIA

1.02ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 3425255703

Certificate GIA 3425255703

Diamond specifications and retailer prices

From $3,052 NZD
As of November 6, 2026
Save $5,439 NZD (64%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,491 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural heart diamond

This 1.02ct natural heart sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3425255703. Listed at 11 retailers as of November 5, 2026, with prices from $3,052 to $8,491, a $5,439 spread on the same certified stone. NZ Jewellers lists it at $8,491. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3425255703
Dimensions6.54 × 6.92 × 3.78 mm
L/W Ratio1.06
Top View
6.54 mm6.92 mm1.02 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3425255703
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 54.6%

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: $8,491 NZD|Low: $3,052 NZD|High: $8,491 NZD|Avg: $4,420 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$3,052 NZD
Retailer 10$3,314 NZD
Retailer 6$3,482 NZD
Retailer 7$3,482 NZD
Retailer 5$3,642 NZD
Retailer 3$3,779 NZD
Retailer 8$4,017 NZD
Retailer 2$4,724 NZD
Retailer 4$6,081 NZD
NZ Jewellers$8,491 NZD

44 data points across 10 retailers

11 retailers$3,052 NZD to $8,491 NZD

A
Cheapest Retailer
-
$3,052 NZD
A
Retailer 2
-
$3,144 NZD
View
Retailer 3
-
$3,482 NZD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$3,482 NZD
View
B+
Retailer 5
-
$3,642 NZD
View
B+
Retailer 6
-
$3,729 NZD
View
B+
Retailer 7
-
$3,779 NZD
View
B+
Retailer 8
-
$4,017 NZD
View
B+
Retailer 9
-
$4,724 NZD
View
B
Retailer 10
-
$6,081 NZD
View
Most Expensive
B
NZ Jewellers
b91cba45-d17f-4a18-b375-324d3c8f95fa · Nov 5
$8,491 NZD
$4,707 USD
View
10 more retailers have this diamond
Prices start from $3,052 NZDSave up to $5,439 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 Heart
$3,052 NZD