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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 $1,890 CAD
As of November 6, 2026
Save $1,920 CAD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,810 CAD 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 $1,890 to $3,810, a $1,920 spread on the same certified stone. MOH London lists it at $3,810. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,810 CAD|Low: $1,872 CAD|High: $3,851 CAD|Avg: $2,530 CAD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$1,890 CAD
Retailer 7$2,018 CAD
Retailer 2$2,108 CAD
Retailer 5$2,402 CAD
Retailer 8$2,490 CAD
Retailer 4$2,653 CAD
Retailer 3$2,951 CAD
MOH London$3,810 CAD

30 data points across 8 retailers

9 retailers$1,890 CAD to $3,810 CAD

A
Cheapest Retailer
-
$1,890 CAD
B+
Retailer 2
-
$2,016 CAD
View
A
Retailer 3
-
$2,018 CAD
View
B+
Retailer 4
-
$2,108 CAD
View
B+
Retailer 5
-
$2,402 CAD
View
B+
Retailer 6
-
$2,490 CAD
View
B+
Retailer 7
-
$2,653 CAD
View
B
Retailer 8
-
$2,951 CAD
View
Most Expensive
B
MOH London
3B29FA4F8 · Nov 2
$3,810 CAD
£2,133 GBP
View
8 more retailers have this diamond
Prices start from $1,890 CADSave up to $1,920 CAD

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
$1,890 CAD