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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 $4,691 SGD
As of November 6, 2026
Save $5,017 SGD (52%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,707 SGD 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 $4,691 to $9,707, a $5,017 spread on the same certified stone. MOH London lists it at $9,707. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $9,707 SGD|Low: $4,691 SGD|High: $9,850 SGD|Avg: $6,333 SGD|-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$4,691 SGD
Retailer 6$4,710 SGD
Retailer 5$5,330 SGD
Retailer 9$5,410 SGD
Retailer 3$5,639 SGD
Retailer 12$5,675 SGD
Retailer 2$6,032 SGD
Retailer 4$6,159 SGD
Retailer 10$6,386 SGD
Retailer 7$6,876 SGD
Retailer 8$7,455 SGD
MOH London$9,707 SGD

33 data points across 12 retailers

19 retailers$4,691 SGD to $9,707 SGD

A
Cheapest Retailer
-
$4,691 SGD
A
Retailer 2
-
$4,710 SGD
View
B+
Retailer 3
-
$5,330 SGD
View
B+
Retailer 4
-
$5,410 SGD
View
B+
Retailer 5
-
$5,639 SGD
View
Final sale: no returns
B+
Retailer 6
-
$5,675 SGD
View
B+
Retailer 7
-
$5,767 SGD
View
Retailer 8
-
$5,967 SGD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$6,032 SGD
View
Retailer 10
-
$6,111 SGD
View
Price last confirmed 9 days ago
Retailer 11
-
$6,159 SGD
View
Price last confirmed 29 days ago
B
Retailer 12
-
$6,280 SGD
View
B
Retailer 13
-
$6,303 SGD
View
B+
Retailer 14
-
$6,386 SGD
View
B+
Retailer 15
-
$6,876 SGD
View
B
Retailer 16
-
$7,455 SGD
View
B
Retailer 17
-
$8,908 SGD
View
B
Retailer 18
-
$9,157 SGD
View
Most Expensive
B
MOH London
FF834143C · Nov 4
$9,707 SGD
£5,964 GBP
View
18 more retailers have this diamond
Prices start from $4,691 SGDSave up to $5,017 SGD

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
$4,691 SGD