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Heart|Natural|GIA

0.40ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 2564423652

Certificate GIA 2564423652

Diamond specifications and retailer prices

From £397 GBP
SGD 715 SGD
As of October 29, 2026
Save £195 GBP (33%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £592 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2564423652. Listed at 7 retailers as of October 27, 2026, with prices from £397 to £592, a £195 spread on the same certified stone. Wholesale Diamonds Direct lists it at £592. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.39°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2564423652
Dimensions4.56 × 5.15 × 3.05 mm
L/W Ratio1.13
Culet sizeNone
Top View
4.56 mm5.15 mm0.40 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2564423652
Side View
Table 58.0%Crown 34.39°Girdle: THN-VTKPavilion 41.2°Culet: NoneDepth 59.2%

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: £485 GBP|Low: £397 GBP|High: £592 GBP|Avg: £490 GBP|+5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Wholesale Diamonds Direct
October 30, 2026
Retailer 5£397 GBP
Retailer 4£433 GBP
Retailer 1£485 GBP
Retailer 2£510 GBP
Retailer 3£516 GBP
Wholesale Diamonds Direct£592 GBP

24 data points across 6 retailers

7 retailers£397 GBP to £592 GBP

A
Cheapest Retailer
-
£397 GBP
SGD 715 SGD
B+
Retailer 2
-
£408 GBP
SGD 735 SGD
View
B+
Retailer 3
-
£433 GBP
$576 USD
View
B+
Retailer 4
-
£485 GBP
View
B+
Retailer 5
-
£510 GBP
View
B
Retailer 6
-
£516 GBP
$687 USD
View
Most Expensive
B
Wholesale Diamonds Direct
482426097 · Oct 27
£592 GBP
$788 USD
View
6 more retailers have this diamond
Prices start from £397 GBPSave up to £195 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
£397 GBP