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Heart|Natural|GIA

0.40ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 5566462590

Certificate GIA 5566462590

Diamond specifications and retailer prices

From £332 GBP
SGD 602 SGD
As of October 29, 2026
Save £164 GBP (33%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £497 GBP at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 0.4ct natural heart diamond

This 0.4ct natural heart sits in the sub-half-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566462590. Listed at 6 retailers as of October 27, 2026, with prices from £332 to £497, a £164 spread on the same certified stone. Wholesale Diamonds Direct lists it at £497. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.61°
Pavilion angle40.06°
OriginNatural
Grading LabGIA
CertificateGIA 5566462590
Dimensions4.47 × 5.06 × 2.98 mm
L/W Ratio1.13
Culet sizeNone
Top View
4.47 mm5.06 mm0.40 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5566462590
Side View
Table 59.0%Crown 38.61°Girdle: THN-VTKPavilion 40.06°Culet: NoneDepth 59.0%

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 29
Current: £405 GBP|Low: £332 GBP|High: £497 GBP|Avg: £421 GBP|+5.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Wholesale Diamonds Direct
October 30, 2026
Retailer 4£332 GBP
Retailer 1£405 GBP
Retailer 2£427 GBP
Retailer 3£432 GBP
Wholesale Diamonds Direct£497 GBP

14 data points across 5 retailers

6 retailers£332 GBP to £497 GBP

A
Cheapest Retailer
-
£332 GBP
SGD 602 SGD
A
Retailer 2
-
£353 GBP
SGD 640 SGD
View
B+
Retailer 3
-
£405 GBP
View
B+
Retailer 4
-
£427 GBP
View
B+
Retailer 5
-
£432 GBP
$579 USD
View
Most Expensive
B
Wholesale Diamonds Direct
547119611 · Oct 27
£497 GBP
$665 USD
View
5 more retailers have this diamond
Prices start from £332 GBPSave up to £164 GBP

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
£332 GBP