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Marquise|Lab Grown|IGI

1.01ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG835609377

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG835609377

Diamond specifications and retailer prices

From £143 GBP
As of November 1, 2026
15 retailers carry this diamond
Most expensive: £1,043 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 1.01ct lab-grown marquise diamond

This 1.01ct 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 LG835609377 or 835609377. Listed at 15 retailers as of November 1, 2026. 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

1.01
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835609377
Dimensions10.40 × 5.39 × 3.20 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.40 mm5.39 mm1.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG835609377
Side View
Table 63.0%Crown 33°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.4%

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 1
Current: £1,043 GBP|Low: £97 GBP|High: £1,061 GBP|Avg: £297 GBP|+75.7%
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
Retailer 15
Retailer 16
Retailer 17
October 25, 2026
Retailer 8£100 GBP
Retailer 7£111 GBP
Retailer 6£116 GBP
Retailer 4£124 GBP
Retailer 9£143 GBP
Retailer 13£160 GBP
Retailer 11£203 GBP
Retailer 10£215 GBP
Retailer 14£219 GBP
Retailer 3£234 GBP
Retailer 12£250 GBP
Retailer 17£308 GBP
Retailer 5£345 GBP
Retailer 15£368 GBP
Retailer 16£399 GBP
Retailer 2£661 GBP
MOH London£1,043 GBP

33 data points across 17 retailers

15 retailers

Retailer 1
-
£100 GBP
Price last confirmed 20 days ago
Retailer 2
-
£116 GBP
View
Price last confirmed 22 days ago
Retailer 3
-
£124 GBP
View
Price last confirmed 22 days ago
A
Retailer 4
-
£143 GBP
View
Retailer 5
-
£203 GBP
View
Price last confirmed 14 days ago
Retailer 6
-
£215 GBP
View
Price last confirmed 10 days ago
Retailer 7
-
£219 GBP
View
Price last confirmed 12 days ago
Retailer 8
-
£234 GBP
View
Price last confirmed 14 days ago
Retailer 9
-
£250 GBP
View
Price last confirmed 14 days ago
Retailer 10
-
£308 GBP
View
Price last confirmed 11 days ago
Retailer 11
-
£345 GBP
View
Price last confirmed 14 days ago
Retailer 12
-
£368 GBP
View
Price last confirmed 16 days ago
Retailer 13
-
£399 GBP
View
Price last confirmed 21 days ago
Retailer 14
-
£661 GBP
View
Price last confirmed 9 days ago
Most Expensive
MOH London
LG835609377 · Oct 21
£1,043 GBP
View
Price last confirmed 15 days ago
14 more retailers have this diamond
Prices start from £143 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
1.01ct Marquise
£143 GBP