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Heart|Natural|GIA

0.40ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 7561171877

Certificate GIA 7561171877

Diamond specifications and retailer prices

From £321 GBP
$430 USD
As of October 30, 2026
Save £190 GBP (37%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £511 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 7561171877. Listed at 8 retailers as of October 27, 2026, with prices from £321 to £511, a £190 spread on the same certified stone. Wholesale Diamonds Direct lists it at £511. 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 angle36.44°
Pavilion angle38.56°
OriginNatural
Grading LabGIA
CertificateGIA 7561171877
Dimensions4.48 × 5.15 × 2.92 mm
L/W Ratio1.15
Culet sizeNone
Top View
4.48 mm5.15 mm0.40 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7561171877
Side View
Table 58.0%Crown 36.44°Girdle: STK-ETKPavilion 38.56°Culet: NoneDepth 56.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £414 GBP|Low: £228 GBP|High: £557 GBP|Avg: £403 GBP|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
October 30, 2026
Retailer 8£228 GBP
Retailer 7£321 GBP
Retailer 6£340 GBP
Retailer 5£361 GBP
Retailer 4£379 GBP
Retailer 1£414 GBP
Retailer 3£437 GBP
Retailer 2£443 GBP
Wholesale Diamonds Direct£511 GBP

40 data points across 9 retailers

8 retailers£321 GBP to £511 GBP

A
Cheapest Retailer
-
£321 GBP
$430 USD
A
Retailer 2
-
£340 GBP
SGD 616 SGD
View
A
Retailer 3
-
£361 GBP
SGD 653 SGD
View
A
Retailer 4
-
£379 GBP
$508 USD
View
B+
Retailer 5
-
£414 GBP
View
B+
Retailer 6
-
£437 GBP
View
B+
Retailer 7
-
£443 GBP
$593 USD
View
Most Expensive
B
Wholesale Diamonds Direct
383073723 · Oct 27
£511 GBP
$685 USD
View
7 more retailers have this diamond
Prices start from £321 GBPSave up to £190 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
£321 GBP