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Oval|Lab Grown|IGI

0.37ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG332878906

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG332878906

Diamond specifications and retailer prices

From £75 GBP
$100 USD
As of October 29, 2026
Save £192 GBP (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £334 GBP at NZ Jewellers · As of October 18, 2026
View at NZ Jewellers

About this 0.37ct lab-grown oval diamond

This 0.37ct lab-grown oval sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG332878906 or 332878906. Listed at 10 retailers as of October 29, 2026, with a 256% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.37
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishGood
SymmetryGood
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG332878906
Dimensions5.10 × 4.00 × 2.45 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizePointed
Cert comments
This laboratory grown diamond is classified as Type II
Top View
5.10 mm4.00 mm0.37 ctE / SI1
OriginLab Grown
CutIdeal
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI LG332878906
Side View
Table 63.5%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 61.3%

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: £334 GBP|Low: £75 GBP|High: £381 GBP|Avg: £182 GBP|-0.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 27, 2026
Retailer 4£75 GBP
Retailer 2£87 GBP
Retailer 9£96 GBP
Retailer 7£100 GBP
Retailer 6£113 GBP
Retailer 5£160 GBP
Retailer 11£179 GBP
Retailer 10£211 GBP
Retailer 8£216 GBP
NZ Jewellers£334 GBP
Retailer 3£381 GBP

11 data points across 11 retailers

10 retailers£75 GBP to £267 GBP

A
Cheapest Retailer
-
£75 GBP
$100 USD
A
Retailer 2
-
£76 GBP
$101 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
£87 GBP
$116 USD
View
A
Retailer 4
-
£88 GBP
$117 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
£96 GBP
$128 USD
View
A
Retailer 6
-
£100 GBP
$133 USD
View
Price last confirmed 10 days ago
A
Retailer 7
-
£113 GBP
$150 USD
View
B+
Retailer 8
-
£160 GBP
CA$295 CAD
View
B
Retailer 9
-
£267 GBP
View
Most Expensive
B
NZ Jewellers
03ea7fa0-4ad1-4ade-824c-d7c5587d5d4e · Oct 18
£334 GBP
$445 USD
View
Price last confirmed 11 days ago
9 more retailers have this diamond
Prices start from £75 GBPSave up to £192 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
0.37ct Oval
£75 GBP