Marquise|Lab Grown|IGI

3.01ct E SI2 Marquise Lab Grown Diamond

ID • E/SI2 • IGI LG660468273

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG660468273

Diamond specifications and retailer prices

From £306 GBP
$410 USD
As of October 30, 2026
Save £1,186 GBP (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,492 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.01ct lab-grown marquise diamond

This 3.01ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660468273 or 660468273. Listed at 11 retailers as of October 29, 2026, with prices from £306 to £1,492, a £1,186 spread on the same certified stone. MOH London lists it at £1,492. 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

3.01
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660468273
Dimensions15.12 × 7.39 × 4.70 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.12 mm7.39 mm3.01 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660468273
Side View
Table 58.0%Crown 34.7°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 63.6%

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: Oct 30
Current: £1,492 GBP|Low: £306 GBP|High: £2,970 GBP|Avg: £929 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
October 30, 2026
Retailer 2£306 GBP
Retailer 3£343 GBP
Retailer 9£380 GBP
Retailer 11£420 GBP
Retailer 7£509 GBP
Retailer 14£600 GBP
Retailer 10£608 GBP
Retailer 8£625 GBP
Retailer 13£688 GBP
Retailer 5£745 GBP
Retailer 12£1,221 GBP
MOH London£1,492 GBP
Retailer 4£1,534 GBP
Retailer 6£2,970 GBP

3 data points across 14 retailers

11 retailers£306 GBP to £1,492 GBP

A
Cheapest Retailer
-
£306 GBP
$410 USD
A
Retailer 2
-
£343 GBP
$460 USD
View
A
Retailer 3
-
£380 GBP
$509 USD
View
A
Retailer 4
-
£420 GBP
HK$4,400 HKD
View
A
Retailer 5
-
£509 GBP
View
B+
Retailer 6
-
£600 GBP
$804 USD
View
A
Retailer 7
-
£608 GBP
$814 USD
View
A
Retailer 8
-
£625 GBP
View
B+
Retailer 9
-
£688 GBP
$922 USD
View
B
Retailer 10
-
£1,221 GBP
$1,636 USD
View
Most Expensive
B
MOH London
LG660468273 · Oct 29
£1,492 GBP
View
10 more retailers have this diamond
Prices start from £306 GBPSave up to £1,186 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
3.01ct Marquise
£306 GBP