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Marquise|Lab Grown|IGI

1.10ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG738522830

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG738522830

Diamond specifications and retailer prices

From £106 GBP
As of November 2, 2026
Save £510 GBP (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £616 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.1ct lab-grown marquise diamond

This 1.1ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG738522830 or 738522830. Listed at 14 retailers as of November 2, 2026, with prices from £106 to £616, a £510 spread on the same certified stone. MOH London lists it at £616. 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

1.10
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG738522830
Dimensions10.76 × 5.42 × 3.38 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.76 mm5.42 mm1.10 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG738522830
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.4%

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: Nov 2
Current: £616 GBP|Low: £106 GBP|High: £817 GBP|Avg: £332 GBP|-0.6%
MOH London
Retailer 2
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November 4, 2026
Retailer 12£106 GBP
Retailer 17£123 GBP
Retailer 13£132 GBP
Retailer 5£152 GBP
Retailer 10£170 GBP
Retailer 2£224 GBP
Retailer 4£244 GBP
Retailer 16£247 GBP
Retailer 6£250 GBP
Retailer 7£274 GBP
Retailer 14£317 GBP
Retailer 15£424 GBP
Retailer 3£431 GBP
Retailer 11£448 GBP
MOH London£616 GBP
Retailer 8£665 GBP
Retailer 9£817 GBP

8 data points across 17 retailers

14 retailers£106 GBP to £616 GBP

A
Cheapest Retailer
-
£106 GBP
A
Retailer 2
-
£123 GBP
View
A
Retailer 3
-
£132 GBP
View
A
Retailer 4
-
£152 GBP
View
A
Retailer 5
-
£170 GBP
View
A
Retailer 6
-
£224 GBP
View
B+
Retailer 7
-
£244 GBP
View
A
Retailer 8
-
£247 GBP
View
A
Retailer 9
-
£250 GBP
View
B+
Retailer 10
-
£317 GBP
View
B+
Retailer 11
-
£424 GBP
View
B
Retailer 12
-
£431 GBP
View
B
Retailer 13
-
£448 GBP
View
Most Expensive
B
MOH London
LG738522830 · Nov 2
£616 GBP
View
13 more retailers have this diamond
Prices start from £106 GBPSave up to £510 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
1.10ct Marquise
£106 GBP