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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 HK$2,173 HKD
₹26,382 INR
As of October 26, 2026
Save HK$4,742 HKD (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$6,915 HKD 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 HK$2,173 to HK$6,915, a HK$4,742 spread on the same certified stone. MOH London lists it at HK$6,915. 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
Colour
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: HK$6,915 HKD|Low: HK$2,162 HKD|High: HK$12,757 HKD|Avg: HK$4,844 HKD|-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 4HK$2,173 HKD
Retailer 8HK$2,611 HKD
Retailer 5HK$2,989 HKD
Retailer 10HK$3,164 HKD
Retailer 9HK$3,272 HKD
Retailer 6HK$3,334 HKD
Retailer 2HK$5,264 HKD
Retailer 3HK$6,072 HKD
MOH LondonHK$6,915 HKD
Retailer 7HK$11,463 HKD

31 data points across 10 retailers

10 retailersHK$2,173 HKD to HK$6,915 HKD

A
Cheapest Retailer
-
HK$2,173 HKD
₹26,382 INR
A
Retailer 2
-
HK$2,611 HKD
View
A
Retailer 3
-
HK$2,989 HKD
$381 USD
View
B+
Retailer 4
-
HK$3,164 HKD
SGD 545 SGD
View
B+
Retailer 5
-
HK$3,272 HKD
$417 USD
View
Retailer 6
-
HK$3,334 HKD
$425 USD
View
Price last confirmed 7 days ago
B
Retailer 7
-
HK$5,264 HKD
£528 GBP
View
B
Retailer 8
-
HK$6,072 HKD
£609 GBP
View
Most Expensive
B
MOH London
AF0E4AFA2 · Oct 26
HK$6,915 HKD
£694 GBP
View
8 more retailers have this diamond
Prices start from HK$2,173 HKDSave up to HK$4,742 HKD

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
HK$2,173 HKD