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Oval|Natural|GIA

0.40ct E SI2 Oval Natural Diamond

VG • E/SI2 • GIA 3515322357

Certificate GIA 3515322357

Diamond specifications and retailer prices

From £321 GBP
As of November 5, 2026
Save £495 GBP (61%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £816 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.4ct natural oval diamond

This 0.4ct natural oval sits in the sub-half-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 3515322357. Listed at 15 retailers as of November 4, 2026, with prices from £321 to £816, a £495 spread on the same certified stone. MOH London lists it at £816. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.40
Carat
E
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3515322357
Dimensions5.64 × 4.14 × 2.64 mm
L/W Ratio1.36
Top View
5.64 mm4.14 mm0.40 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3515322357
Side View
Table 60.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 63.8%

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: Nov 5
Current: £816 GBP|Low: £284 GBP|High: £1,363 GBP|Avg: £494 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 4£284 GBP
Retailer 13£321 GBP
Retailer 14£335 GBP
Retailer 11£345 GBP
Retailer 12£345 GBP
Retailer 16£370 GBP
Retailer 8£394 GBP
Retailer 10£408 GBP
Retailer 5£426 GBP
Retailer 6£426 GBP
Retailer 2£434 GBP
Retailer 7£441 GBP
Retailer 3£493 GBP
Retailer 9£534 GBP
MOH London£816 GBP
Retailer 15£1,356 GBP

45 data points across 16 retailers

15 retailers£321 GBP to £816 GBP

Retailer 1
-
£284 GBP
Price last confirmed 13 days ago
A
Retailer 2
-
£321 GBP
View
B+
Retailer 3
-
£335 GBP
View
Retailer 4
-
£345 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£345 GBP
View
B+
Retailer 6
-
£370 GBP
View
B+
Retailer 7
-
£408 GBP
View
B
Retailer 8
-
£426 GBP
View
B
Retailer 9
-
£426 GBP
View
B
Retailer 10
-
£434 GBP
View
B
Retailer 11
-
£441 GBP
View
B
Retailer 12
-
£493 GBP
View
B
Retailer 13
-
£534 GBP
View
Most Expensive
B
MOH London
B5E3A3019 · Nov 4
£816 GBP
View
13 more retailers have this diamond
Prices start from £321 GBPSave up to £495 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 Oval
£321 GBP