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Heart|Natural|GIA

1.20ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 5222429851

Certificate GIA 5222429851

Diamond specifications and retailer prices

From $4,913 CAD
As of November 5, 2026
Save $4,903 CAD (50%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,816 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5222429851. Listed at 11 retailers as of November 1, 2026, with prices from $4,913 to $9,816, a $4,903 spread on the same certified stone. MOH London lists it at $9,816. 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

1.20
Carat
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5222429851
Dimensions6.41 × 7.56 × 4.14 mm
L/W Ratio1.18
Top View
6.41 mm7.56 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5222429851
Side View
Table 62.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 54.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $9,816 CAD|Low: $4,456 CAD|High: $9,922 CAD|Avg: $6,274 CAD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 4$4,913 CAD
Retailer 7$5,154 CAD
Retailer 9$5,244 CAD
Retailer 12$5,324 CAD
Retailer 11$5,570 CAD
Retailer 5$6,247 CAD
Retailer 6$6,442 CAD
Retailer 8$6,529 CAD
Retailer 3$6,791 CAD
Retailer 10$6,971 CAD
Retailer 2$7,522 CAD
MOH London$9,816 CAD

33 data points across 12 retailers

11 retailers$4,913 CAD to $9,816 CAD

B+
Cheapest Retailer
-
$4,913 CAD
B
Retailer 2
-
$5,154 CAD
View
Final sale: no returns
B
Retailer 3
-
$5,244 CAD
View
B
Retailer 4
-
$5,324 CAD
View
B
Retailer 5
-
$5,570 CAD
View
B
Retailer 6
-
$6,247 CAD
View
B
Retailer 7
-
$6,442 CAD
View
Retailer 8
-
$6,529 CAD
View
Price last confirmed 42 days ago
Retailer 9
-
$6,971 CAD
View
Price last confirmed 25 days ago
B
Retailer 10
-
$7,522 CAD
View
Most Expensive
B
MOH London
586FAAB78 · Nov 1
$9,816 CAD
£5,495 GBP
View
10 more retailers have this diamond
Prices start from $4,913 CADSave up to $4,903 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.

B+
1.20ct Heart
$4,913 CAD