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Heart|Natural|GIA

1.02ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 2378237146

Certificate GIA 2378237146

Diamond specifications and retailer prices

From $2,424 NZD
As of November 6, 2026
Save $2,462 NZD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,887 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.02ct natural heart diamond

This 1.02ct natural heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2378237146. Listed at 9 retailers as of November 2, 2026, with prices from $2,424 to $4,887, a $2,462 spread on the same certified stone. MOH London lists it at $4,887. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2378237146
Dimensions5.99 × 4.98 × 3.83 mm
L/W Ratio1.20
Top View
5.99 mm4.98 mm1.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2378237146
Side View
Table 57.0%CrownGirdle: ThickPavilionCulet: NoneDepth 77.0%

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: $4,887 NZD|Low: $2,401 NZD|High: $4,939 NZD|Avg: $3,245 NZD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$2,424 NZD
Retailer 7$2,589 NZD
Retailer 2$2,704 NZD
Retailer 5$3,081 NZD
Retailer 8$3,193 NZD
Retailer 4$3,402 NZD
Retailer 3$3,785 NZD
MOH London$4,887 NZD

30 data points across 8 retailers

9 retailers$2,424 NZD to $4,887 NZD

A
Cheapest Retailer
-
$2,424 NZD
B+
Retailer 2
-
$2,585 NZD
View
A
Retailer 3
-
$2,589 NZD
View
B+
Retailer 4
-
$2,704 NZD
View
B+
Retailer 5
-
$3,081 NZD
View
B+
Retailer 6
-
$3,193 NZD
View
B+
Retailer 7
-
$3,402 NZD
View
B
Retailer 8
-
$3,785 NZD
View
Most Expensive
B
MOH London
3B29FA4F8 · Nov 2
$4,887 NZD
£2,133 GBP
View
8 more retailers have this diamond
Prices start from $2,424 NZDSave up to $2,462 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
$2,424 NZD