CaratHunter
Plans
Heart|Natural|GIA

1.40ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 1509473967

Certificate GIA 1509473967

Diamond specifications and retailer prices

From $5,327 AUD
As of November 6, 2026
Save $5,697 AUD (52%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,024 AUD 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 $5,327 to $11,024, a $5,697 spread on the same certified stone. MOH London lists it at $11,024. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $11,024 AUD|Low: $5,327 AUD|High: $11,186 AUD|Avg: $7,192 AUD|-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 7, 2026
Retailer 11$5,327 AUD
Retailer 6$5,349 AUD
Retailer 5$6,053 AUD
Retailer 9$6,143 AUD
Retailer 3$6,404 AUD
Retailer 12$6,445 AUD
Retailer 2$6,851 AUD
Retailer 4$6,995 AUD
Retailer 10$7,252 AUD
Retailer 7$7,808 AUD
Retailer 8$8,466 AUD
MOH London$11,024 AUD

33 data points across 12 retailers

19 retailers$5,327 AUD to $11,024 AUD

A
Cheapest Retailer
-
$5,327 AUD
A
Retailer 2
-
$5,349 AUD
View
B+
Retailer 3
-
$6,053 AUD
View
B+
Retailer 4
-
$6,143 AUD
View
B+
Retailer 5
-
$6,404 AUD
View
Final sale: no returns
B+
Retailer 6
-
$6,445 AUD
View
B+
Retailer 7
-
$6,549 AUD
View
Retailer 8
-
$6,776 AUD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$6,851 AUD
View
Retailer 10
-
$6,939 AUD
View
Price last confirmed 9 days ago
Retailer 11
-
$6,995 AUD
View
Price last confirmed 29 days ago
B
Retailer 12
-
$7,131 AUD
View
B
Retailer 13
-
$7,158 AUD
View
B+
Retailer 14
-
$7,252 AUD
View
B+
Retailer 15
-
$7,808 AUD
View
B
Retailer 16
-
$8,466 AUD
View
B
Retailer 17
-
$10,116 AUD
View
B
Retailer 18
-
$10,399 AUD
View
Most Expensive
B
MOH London
FF834143C · Nov 4
$11,024 AUD
£5,964 GBP
View
18 more retailers have this diamond
Prices start from $5,327 AUDSave up to $5,697 AUD

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
$5,327 AUD