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Heart|Natural|GIA

1.02ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 5423255597

Certificate GIA 5423255597

Diamond specifications and retailer prices

From $3,427 NZD
As of November 6, 2026
Save $4,504 NZD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,932 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5423255597. Listed at 11 retailers as of November 5, 2026, with prices from $3,427 to $7,932, a $4,504 spread on the same certified stone. NZ Jewellers lists it at $7,932. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5423255597
Dimensions5.78 × 6.85 × 4.12 mm
L/W Ratio1.19
Top View
5.78 mm6.85 mm1.02 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5423255597
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 60.2%

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: $7,932 NZD|Low: $3,209 NZD|High: $7,932 NZD|Avg: $4,526 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 11$3,427 NZD
Retailer 9$3,500 NZD
Retailer 8$3,512 NZD
Retailer 14$3,729 NZD
Retailer 3$3,794 NZD
Retailer 13$3,794 NZD
Retailer 12$3,795 NZD
Retailer 10$3,969 NZD
Retailer 2$4,120 NZD
Retailer 4$4,378 NZD
Retailer 5$4,513 NZD
Retailer 6$5,064 NZD
Retailer 7$6,646 NZD
NZ Jewellers$7,932 NZD

43 data points across 14 retailers

11 retailers$3,427 NZD to $7,932 NZD

A
Cheapest Retailer
-
$3,427 NZD
A
Retailer 2
-
$3,500 NZD
View
Final sale: no returns
A
Retailer 3
-
$3,512 NZD
View
A
Retailer 4
-
$3,729 NZD
View
A
Retailer 5
-
$3,794 NZD
View
Retailer 6
-
$3,794 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,969 NZD
View
B+
Retailer 8
-
$4,120 NZD
View
B+
Retailer 9
-
$4,378 NZD
View
B
Retailer 10
-
$6,646 NZD
View
Most Expensive
B
NZ Jewellers
869788c5-ceb3-44d0-83e0-dba59940e686 · Nov 5
$7,932 NZD
$4,397 USD
View
10 more retailers have this diamond
Prices start from $3,427 NZDSave up to $4,504 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
$3,427 NZD