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Marquise|Lab Grown|IGI

3.01ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG741570038

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG741570038

Diamond specifications and retailer prices

From £487 GBP
As of November 4, 2026
Save £1,885 GBP (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,371 GBP at MOH London · As of November 5, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG741570038 or 741570038. Listed at 13 retailers as of November 4, 2026, with prices from £487 to £2,371, a £1,885 spread on the same certified stone. MOH London lists it at £2,371. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741570038
Dimensions14.27 × 7.57 × 4.85 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.27 mm7.57 mm3.01 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741570038
Side View
Table 62.0%Crown 35.2°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 64.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £2,371 GBP|Low: £467 GBP|High: £2,407 GBP|Avg: £1,000 GBP|-0.3%
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
November 5, 2026
Retailer 11£487 GBP
Retailer 14£530 GBP
Retailer 4£545 GBP
Retailer 3£565 GBP
Retailer 12£565 GBP
Retailer 10£695 GBP
Retailer 6£808 GBP
Retailer 8£827 GBP
Retailer 5£846 GBP
Retailer 2£888 GBP
Retailer 9£1,442 GBP
Retailer 13£1,587 GBP
Retailer 7£1,961 GBP
MOH London£2,371 GBP

43 data points across 14 retailers

13 retailers£487 GBP to £2,371 GBP

A
Cheapest Retailer
-
£487 GBP
A
Retailer 2
-
£530 GBP
View
A
Retailer 3
-
£545 GBP
View
Final sale: no returns
A
Retailer 4
-
£565 GBP
View
A
Retailer 5
-
£695 GBP
View
B+
Retailer 6
-
£808 GBP
View
B+
Retailer 7
-
£846 GBP
View
B+
Retailer 8
-
£888 GBP
View
B+
Retailer 9
-
£1,178 GBP
View
B
Retailer 10
-
£1,442 GBP
View
B
Retailer 11
-
£1,587 GBP
View
Retailer 12
-
£1,961 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
LG741570038 · Nov 5
£2,371 GBP
View
12 more retailers have this diamond
Prices start from £487 GBPSave up to £1,885 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
£487 GBP