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Heart|Natural|GIA

1.40ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 1509473967

Certificate GIA 1509473967

Diamond specifications and retailer prices

From $3,660 USD
As of November 6, 2026
Save $3,914 USD (52%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,574 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.4ct natural heart diamond

This 1.4ct natural heart sits in the one-and-a-quarter to one-and-a-half 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 1509473967. Listed at 19 retailers as of November 4, 2026, with prices from $3,660 to $7,574, a $3,914 spread on the same certified stone. MOH London lists it at $7,574. 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

1.40
Carat
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.57°
Pavilion angle53.73°
OriginNatural
Grading LabGIA
CertificateGIA 1509473967
Dimensions6.48 × 6.01 × 4.18 mm
L/W Ratio1.08
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Needle, Feather, Cloud
Top View
6.48 mm6.01 mm1.40 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1509473967
Side View
Table 63.0%Crown 44.57°Girdle: THK-THKPavilion 53.73°Culet: NoneDepth 69.6%

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: $7,574 USD|Low: $3,660 USD|High: $7,686 USD|Avg: $4,946 USD|-1.2%
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 6, 2026
Retailer 11$3,660 USD
Retailer 5$3,675 USD
Retailer 2$4,159 USD
Retailer 9$4,221 USD
Retailer 3$4,400 USD
Retailer 12$4,428 USD
Retailer 7$4,695 USD
Retailer 4$4,806 USD
Retailer 10$4,983 USD
Retailer 6$5,365 USD
Retailer 8$5,817 USD
MOH London$7,574 USD

32 data points across 12 retailers

19 retailers$3,660 USD to $7,574 USD

A
Cheapest Retailer
-
$3,660 USD
A
Retailer 2
-
$3,675 USD
View
B+
Retailer 3
-
$4,159 USD
View
B+
Retailer 4
-
$4,221 USD
View
B+
Retailer 5
-
$4,400 USD
View
Final sale: no returns
B+
Retailer 6
-
$4,428 USD
View
B+
Retailer 7
-
$4,500 USD
View
Retailer 8
-
$4,656 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$4,695 USD
View
Retailer 10
-
$4,768 USD
View
Price last confirmed 9 days ago
Retailer 11
-
$4,806 USD
View
Price last confirmed 29 days ago
B
Retailer 12
-
$4,900 USD
View
B
Retailer 13
-
$4,918 USD
View
B+
Retailer 14
-
$4,983 USD
View
B+
Retailer 15
-
$5,365 USD
View
B
Retailer 16
-
$5,817 USD
View
B
Retailer 17
-
$6,951 USD
View
B
Retailer 18
-
$7,145 USD
View
Most Expensive
B
MOH London
FF834143C · Nov 4
$7,574 USD
£5,964 GBP
View
18 more retailers have this diamond
Prices start from $3,660 USDSave up to $3,914 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
1.40ct Heart
$3,660 USD