Heart|Natural|GIA

1.02ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 2378237146

Certificate GIA 2378237146

Diamond specifications and retailer prices

From $1,344 USD
As of November 6, 2026
Save $1,365 USD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,709 USD 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 $1,344 to $2,709, a $1,365 spread on the same certified stone. MOH London lists it at $2,709. 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: $2,709 USD|Low: $1,331 USD|High: $2,738 USD|Avg: $1,799 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$1,344 USD
Retailer 7$1,435 USD
Retailer 2$1,499 USD
Retailer 5$1,708 USD
Retailer 8$1,770 USD
Retailer 4$1,886 USD
Retailer 3$2,098 USD
MOH London$2,709 USD

30 data points across 8 retailers

9 retailers$1,344 USD to $2,709 USD

A
Cheapest Retailer
-
$1,344 USD
B+
Retailer 2
-
$1,433 USD
View
A
Retailer 3
-
$1,435 USD
View
B+
Retailer 4
-
$1,499 USD
View
B+
Retailer 5
-
$1,708 USD
View
B+
Retailer 6
-
$1,770 USD
View
B+
Retailer 7
-
$1,886 USD
View
B
Retailer 8
-
$2,098 USD
View
Most Expensive
B
MOH London
3B29FA4F8 · Nov 2
$2,709 USD
£2,133 GBP
View
8 more retailers have this diamond
Prices start from $1,344 USDSave up to $1,365 USD

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
$1,344 USD