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Marquise|Lab Grown|IGI

1.10ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG724599038

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG724599038

Diamond specifications and retailer prices

From £106 GBP
As of November 4, 2026
Save £342 GBP (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £620 GBP at MOH London · As of October 29, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG724599038 or 724599038. Listed at 14 retailers as of November 4, 2026, with a 322% 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

1.10
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG724599038
Dimensions10.60 × 5.40 × 3.45 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.60 mm5.40 mm1.10 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG724599038
Side View
Table 55.0%Crown 35.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.9%

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: Nov 4
Current: £620 GBP|Low: £106 GBP|High: £921 GBP|Avg: £340 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
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Retailer 17
November 4, 2026
Retailer 12£106 GBP
Retailer 17£123 GBP
Retailer 13£132 GBP
Retailer 5£152 GBP
Retailer 2£157 GBP
Retailer 10£224 GBP
Retailer 4£244 GBP
Retailer 6£250 GBP
Retailer 16£273 GBP
Retailer 7£274 GBP
Retailer 14£317 GBP
Retailer 15£424 GBP
Retailer 3£431 GBP
Retailer 11£448 GBP
MOH London£620 GBP
Retailer 8£665 GBP
Retailer 9£921 GBP

8 data points across 17 retailers

14 retailers£106 GBP to £448 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
-
£157 GBP
View
A
Retailer 6
-
£224 GBP
View
B+
Retailer 7
-
£244 GBP
View
A
Retailer 8
-
£250 GBP
View
B+
Retailer 9
-
£273 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
MOH London
LG724599038 · Oct 29
£620 GBP
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from £106 GBPSave up to £342 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