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Heart|Natural|GIA

1.00ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 2406309500

Certificate GIA 2406309500

Diamond specifications and retailer prices

From $1,350 CAD
As of November 4, 2026
Save $1,979 CAD (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,330 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2406309500. Listed at 9 retailers as of November 2, 2026, with prices from $1,350 to $3,330, a $1,979 spread on the same certified stone. MOH London lists it at $3,330. 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

1.00
Carat
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2406309500
Dimensions5.27 × 5.14 × 3.91 mm
L/W Ratio1.03
Top View
5.27 mm5.14 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2406309500
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 76.1%

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 4
Current: $3,330 CAD|Low: $1,332 CAD|High: $3,366 CAD|Avg: $2,065 CAD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$1,350 CAD
Retailer 10$1,717 CAD
Retailer 2$1,860 CAD
Retailer 4$1,876 CAD
Retailer 7$1,885 CAD
Retailer 9$1,979 CAD
Retailer 8$2,007 CAD
Retailer 5$2,042 CAD
Retailer 3$2,523 CAD
MOH London$3,330 CAD

31 data points across 10 retailers

9 retailers$1,350 CAD to $3,330 CAD

A
Cheapest Retailer
-
$1,350 CAD
B+
Retailer 2
-
$1,685 CAD
View
B+
Retailer 3
-
$1,860 CAD
View
B+
Retailer 4
-
$1,876 CAD
View
B+
Retailer 5
-
$1,885 CAD
View
B+
Retailer 6
-
$2,007 CAD
View
B+
Retailer 7
-
$2,042 CAD
View
B+
Retailer 8
-
$2,523 CAD
View
Most Expensive
B
MOH London
782D7060E · Nov 2
$3,330 CAD
£1,864 GBP
View
8 more retailers have this diamond
Prices start from $1,350 CADSave up to $1,979 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
1.00ct Heart
$1,350 CAD