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Heart|Natural|GIA

0.40ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 1555940920

Certificate GIA 1555940920

Diamond specifications and retailer prices

From $387 CAD
₹26,382 INR
As of October 26, 2026
Save $844 CAD (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,231 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 0.4ct natural heart diamond

This 0.4ct natural heart sits in the sub-half-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555940920. Listed at 10 retailers as of October 26, 2026, with prices from $387 to $1,231, a $844 spread on the same certified stone. MOH London lists it at $1,231. 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

0.40
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555940920
Dimensions4.40 × 5.16 × 3.10 mm
L/W Ratio1.17
Girdle conditionThin to Slightly Thick
Key to symbols
Twinning Wisp, Feather
Top View
4.40 mm5.16 mm0.40 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555940920
Side View
Table 59.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 60.0%

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: Oct 26
Current: $1,231 CAD|Low: $385 CAD|High: $2,271 CAD|Avg: $862 CAD|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 4$387 CAD
Retailer 8$465 CAD
Retailer 5$532 CAD
Retailer 10$563 CAD
Retailer 9$583 CAD
Retailer 6$594 CAD
Retailer 2$937 CAD
Retailer 3$1,081 CAD
MOH London$1,231 CAD
Retailer 7$2,041 CAD

31 data points across 10 retailers

10 retailers$387 CAD to $1,231 CAD

A
Cheapest Retailer
-
$387 CAD
₹26,382 INR
A
Retailer 2
-
$465 CAD
HK$2,600 HKD
View
A
Retailer 3
-
$532 CAD
$381 USD
View
B+
Retailer 4
-
$563 CAD
SGD 545 SGD
View
B+
Retailer 5
-
$583 CAD
$417 USD
View
B+
Retailer 6
-
$594 CAD
$425 USD
View
B
Retailer 7
-
$937 CAD
£528 GBP
View
B
Retailer 8
-
$1,081 CAD
£609 GBP
View
Most Expensive
B
MOH London
AF0E4AFA2 · Oct 26
$1,231 CAD
£694 GBP
View
8 more retailers have this diamond
Prices start from $387 CADSave up to $844 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
0.40ct Heart
$387 CAD