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Marquise|Lab Grown|IGI

1.01ct E SI1 Marquise Lab Grown Diamond

VG • E/SI1 • IGI LG848645812

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG848645812

Diamond specifications and retailer prices

From £215 GBP
As of November 3, 2026
Save £411 GBP (66%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £627 GBP at MOH London · As of November 2, 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 very-good cut grade and certified by IGI LG848645812 or 848645812. Listed at 5 retailers as of November 2, 2026, with prices from £215 to £627, a £411 spread on the same certified stone. MOH London lists it at £627. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.01
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848645812
Dimensions10.75 × 5.10 × 3.12 mm
L/W Ratio2.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.75 mm5.10 mm1.01 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848645812
Side View
Table 64.0%Crown 30.7°Girdle: MED-VTKPavilion 39.8°Culet: NoneDepth 61.2%

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 3
Current: £627 GBP|Low: £215 GBP|High: £630 GBP|Avg: £299 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 4£215 GBP
Retailer 2£231 GBP
Retailer 5£247 GBP
Retailer 3£254 GBP
MOH London£627 GBP

15 data points across 5 retailers

5 retailers£215 GBP to £627 GBP

A
Cheapest Retailer
-
£215 GBP
A
Retailer 2
-
£231 GBP
View
B+
Retailer 3
-
£247 GBP
View
B+
Retailer 4
-
£254 GBP
View
Most Expensive
B
MOH London
LG848645812 · Nov 2
£627 GBP
View
4 more retailers have this diamond
Prices start from £215 GBPSave up to £411 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
£215 GBP