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Heart|Natural|GIA

0.40ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 1565548014

Certificate GIA 1565548014

Diamond specifications and retailer prices

From £375 GBP
SGD 675 SGD
As of October 29, 2026
Save £185 GBP (33%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £560 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 1565548014. Listed at 7 retailers as of October 27, 2026, with prices from £375 to £560, a £185 spread on the same certified stone. Wholesale Diamonds Direct lists it at £560. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.38°
Pavilion angle39.54°
OriginNatural
Grading LabGIA
CertificateGIA 1565548014
Dimensions4.51 × 5.14 × 2.98 mm
L/W Ratio1.14
Culet sizeNone
Top View
4.51 mm5.14 mm0.40 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1565548014
Side View
Table 57.0%Crown 36.38°Girdle: THN-THKPavilion 39.54°Culet: NoneDepth 58.0%

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: £456 GBP|Low: £375 GBP|High: £560 GBP|Avg: £462 GBP|+6.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Wholesale Diamonds Direct
October 30, 2026
Retailer 5£375 GBP
Retailer 3£412 GBP
Retailer 1£456 GBP
Retailer 2£482 GBP
Retailer 4£488 GBP
Wholesale Diamonds Direct£560 GBP

8 data points across 6 retailers

7 retailers£375 GBP to £560 GBP

A
Cheapest Retailer
-
£375 GBP
SGD 675 SGD
A
Retailer 2
-
£390 GBP
SGD 702 SGD
View
B+
Retailer 3
-
£412 GBP
$548 USD
View
B+
Retailer 4
-
£456 GBP
View
B+
Retailer 5
-
£482 GBP
View
B+
Retailer 6
-
£488 GBP
$649 USD
View
Most Expensive
B
Wholesale Diamonds Direct
586324270 · Oct 27
£560 GBP
$746 USD
View
6 more retailers have this diamond
Prices start from £375 GBPSave up to £185 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
£375 GBP