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Oval|Lab Grown|IGI

1.54ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG834611122

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG834611122

Diamond specifications and retailer prices

From £273 GBP
As of November 6, 2026
Save £601 GBP (69%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £874 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.54ct lab-grown oval diamond

This 1.54ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG834611122 or 834611122. Listed at 5 retailers as of November 5, 2026, with prices from £273 to £874, a £601 spread on the same certified stone. MOH London lists it at £874. 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

1.54
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834611122
Dimensions9.30 × 6.52 × 4.05 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.30 mm6.52 mm1.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834611122
Side View
Table 62.0%Crown 34.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £874 GBP|Low: £254 GBP|High: £887 GBP|Avg: £495 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2£273 GBP
Retailer 3£340 GBP
Retailer 5£357 GBP
Retailer 4£643 GBP
MOH London£874 GBP

42 data points across 5 retailers

5 retailers£273 GBP to £874 GBP

B+
Cheapest Retailer
-
£273 GBP
A
Retailer 2
-
£340 GBP
View
A
Retailer 3
-
£357 GBP
View
B+
Retailer 4
-
£643 GBP
View
Most Expensive
B
MOH London
LG834611122 · Nov 5
£874 GBP
View
4 more retailers have this diamond
Prices start from £273 GBPSave up to £601 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
1.54ct Oval
£273 GBP