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Round|Lab Grown|IGI

1.36ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG668413685

Shape and cutting style on the report: Round brilliant

Certificate IGI LG668413685

Diamond specifications and retailer prices

From £149 GBP
$199 USD
As of October 25, 2026
Save £548 GBP (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £697 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.36ct lab-grown round diamond

This 1.36ct lab-grown round 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 LG668413685 or 668413685. Listed at 16 retailers as of October 25, 2026, with prices from £149 to £697, a £548 spread on the same certified stone. MOH London lists it at £697. 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

1.36
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668413685
Dimensions7.16 × 7.19 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.16 mm7.19 mm1.36 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668413685
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.0%

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 25
Current: £697 GBP|Low: £149 GBP|High: £701 GBP|Avg: £345 GBP|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 5£149 GBP
Retailer 4£260 GBP
Retailer 7£266 GBP
Retailer 11£268 GBP
Retailer 2£290 GBP
Retailer 3£340 GBP
Retailer 9£348 GBP
Retailer 8£381 GBP
Retailer 10£485 GBP
Retailer 6£504 GBP
MOH London£697 GBP

42 data points across 11 retailers

16 retailers£149 GBP to £697 GBP

Retailer 1
-
£115 GBP
$154 USD
Price last confirmed 29 days ago
Retailer 2
-
£139 GBP
$186 USD
View
Price last confirmed 28 days ago
Retailer 3
-
£149 GBP
$199 USD
View
Price last confirmed 28 days ago
Retailer 4
-
£149 GBP
$199 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
£149 GBP
$199 USD
View
A
Retailer 6
-
£260 GBP
View
B+
Retailer 7
-
£268 GBP
$359 USD
View
A
Retailer 8
-
£290 GBP
View
A
Retailer 9
-
£334 GBP
$448 USD
View
B+
Retailer 10
-
£340 GBP
$455 USD
View
B+
Retailer 11
-
£348 GBP
A$718 AUD
View
Retailer 12
-
£381 GBP
$510 USD
View
Price last confirmed 12 days ago
Retailer 13
-
£477 GBP
$639 USD
View
Price last confirmed 31 days ago
Retailer 14
-
£485 GBP
$650 USD
View
Price last confirmed 12 days ago
B
Retailer 15
-
£504 GBP
$675 USD
View
Most Expensive
B
MOH London
LG668413685 · Oct 29
£697 GBP
View
15 more retailers have this diamond
Prices start from £149 GBPSave up to £548 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
1.36ct Round
£149 GBP