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Marquise|Lab Grown|IGI

1.07ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG790682236

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790682236

Diamond specifications and retailer prices

From £114 GBP
As of November 4, 2026
Save £361 GBP (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £594 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.07ct lab-grown marquise diamond

This 1.07ct 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 LG790682236 or 790682236. Listed at 17 retailers as of November 4, 2026, with a 316% 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

1.07
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790682236
Dimensions11.15 × 5.35 × 3.21 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.15 mm5.35 mm1.07 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG790682236
Side View
Table 61.0%Crown 34.9°Girdle: THN-MEDPavilion 40.3°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: Nov 4
Current: £594 GBP|Low: £114 GBP|High: £706 GBP|Avg: £314 GBP|-4.4%
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
November 6, 2026
Retailer 4£114 GBP
Retailer 10£143 GBP
Retailer 2£214 GBP
Retailer 9£220 GBP
Retailer 13£237 GBP
Retailer 6£241 GBP
Retailer 11£241 GBP
Retailer 3£311 GBP
Retailer 7£322 GBP
Retailer 5£352 GBP
Retailer 12£390 GBP
Retailer 8£476 GBP
MOH London£594 GBP

40 data points across 13 retailers

17 retailers£114 GBP to £476 GBP

Retailer 1
-
£103 GBP
Price last confirmed 20 days ago
A
Retailer 2
-
£114 GBP
View
Final sale: no returns
Retailer 3
-
£119 GBP
View
Price last confirmed 22 days ago
Retailer 4
-
£127 GBP
View
Price last confirmed 22 days ago
A
Retailer 5
-
£143 GBP
View
A
Retailer 6
-
£214 GBP
View
Retailer 7
-
£220 GBP
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£237 GBP
View
A
Retailer 9
-
£241 GBP
View
A
Retailer 10
-
£241 GBP
View
Retailer 11
-
£311 GBP
View
Price last confirmed 11 days ago
B+
Retailer 12
-
£322 GBP
View
B+
Retailer 13
-
£352 GBP
View
Retailer 14
-
£390 GBP
View
Price last confirmed 9 days ago
Retailer 15
-
£409 GBP
View
Price last confirmed 21 days ago
B
Retailer 16
-
£476 GBP
View
Most Expensive
MOH London
LG790682236 · Oct 25
£594 GBP
View
Price last confirmed 12 days ago
16 more retailers have this diamond
Prices start from £114 GBPSave up to £361 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
1.07ct Marquise
£114 GBP