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Oval|Lab Grown|IGI

0.90ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG621448398

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG621448398

Diamond specifications and retailer prices

From £107 GBP
$142 USD
As of October 27, 2026
Save £848 GBP (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £955 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.9ct lab-grown oval diamond

This 0.9ct lab-grown oval sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621448398 or 621448398. Listed at 11 retailers as of October 27, 2026, with prices from £107 to £955, a £848 spread on the same certified stone. MOH London lists it at £955. 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

0.90
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621448398
Dimensions7.84 × 5.42 × 3.42 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.84 mm5.42 mm0.90 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621448398
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 42°Culet: NoneDepth 63.1%

Caratlytics Score

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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 27
Current: £955 GBP|Low: £107 GBP|High: £955 GBP|Avg: £286 GBP
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
October 29, 2026
Retailer 3£107 GBP
Retailer 9£121 GBP
Retailer 13£135 GBP
Retailer 8£151 GBP
Retailer 12£220 GBP
Retailer 15£234 GBP
Retailer 2£235 GBP
Retailer 4£243 GBP
Retailer 10£297 GBP
Retailer 7£304 GBP
Retailer 11£304 GBP
Retailer 14£366 GBP
Retailer 6£445 GBP
Retailer 5£451 GBP
MOH London£955 GBP

3 data points across 15 retailers

11 retailers£107 GBP to £955 GBP

A
Cheapest Retailer
-
£107 GBP
$142 USD
A
Retailer 2
-
£121 GBP
$161 USD
View
A
Retailer 3
-
£135 GBP
HK$1,400 HKD
View
A
Retailer 4
-
£151 GBP
View
A
Retailer 5
-
£220 GBP
$293 USD
View
A
Retailer 6
-
£234 GBP
View
A
Retailer 7
-
£235 GBP
View
B+
Retailer 8
-
£297 GBP
$395 USD
View
B+
Retailer 9
-
£304 GBP
$405 USD
View
B+
Retailer 10
-
£366 GBP
$487 USD
View
Most Expensive
B
MOH London
LG621448398 · Oct 29
£955 GBP
View
10 more retailers have this diamond
Prices start from £107 GBPSave up to £848 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
0.90ct Oval
£107 GBP