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Oval|Lab Grown|IGI

1.26ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG741559513

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG741559513

Diamond specifications and retailer prices

From £213 GBP
$285 USD
As of October 30, 2026
Save £308 GBP (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £701 GBP at MOH London · As of October 19, 2026
View at MOH London

About this 1.26ct lab-grown oval diamond

This 1.26ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG741559513 or 741559513. Listed at 5 retailers as of October 30, 2026, with a 145% 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

1.26
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741559513
Dimensions9.42 × 5.83 × 3.56 mm
L/W Ratio1.62
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.42 mm5.83 mm1.26 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741559513
Side View
Table 61.0%Crown 36.7°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 61.1%

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: £701 GBP|Low: £213 GBP|High: £706 GBP|Avg: £406 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 3£213 GBP
Retailer 2£263 GBP
Retailer 4£315 GBP
Retailer 6£460 GBP
Retailer 5£521 GBP
MOH London£701 GBP

36 data points across 6 retailers

5 retailers£213 GBP to £521 GBP

B+
Cheapest Retailer
-
£213 GBP
$285 USD
A
Retailer 2
-
£263 GBP
View
B+
Retailer 3
-
£315 GBP
$422 USD
View
B
Retailer 4
-
£521 GBP
$697 USD
View
Most Expensive
MOH London
LG741559513 · Oct 19
£701 GBP
View
Price last confirmed 12 days ago
4 more retailers have this diamond
Prices start from £213 GBPSave up to £308 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
1.26ct Oval
£213 GBP