Marquise|Lab Grown|IGI

3.01ct E SI2 Marquise Lab Grown Diamond

ID • E/SI2 • IGI LG743599846

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG743599846

Diamond specifications and retailer prices

From £770 GBP
A$1,588 AUD
As of October 29, 2026
3 retailers carry this diamond
Most expensive: £1,583 GBP at Rare Carat · As of August 17, 2026
View at Rare Carat

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 LG743599846 or 743599846. Listed at 3 retailers as of October 29, 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

3.01
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743599846
Dimensions15.53 × 7.69 × 4.55 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.53 mm7.69 mm3.01 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743599846
Side View
Table 62.0%Crown 32.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: £1,583 GBP|Low: £325 GBP|High: £2,896 GBP|Avg: £1,038 GBP|-23.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
September 9, 2026
Retailer 10£325 GBP
Retailer 4£397 GBP
Retailer 6£447 GBP
Retailer 3£508 GBP
Retailer 5£513 GBP
Retailer 7£678 GBP
Retailer 8£743 GBP
Retailer 2£770 GBP
Rare Carat£1,583 GBP
Retailer 9£2,746 GBP

76 data points across 10 retailers

3 retailers

Retailer 1
-
£325 GBP
HK$3,400 HKD
Price last confirmed 56 days ago
B+
Retailer 2
-
£770 GBP
A$1,588 AUD
View
Most Expensive
Rare Carat
128042-C · Aug 17
£1,583 GBP
$2,121 USD
View
Price last confirmed 75 days ago
2 more retailers have this diamond
Prices start from £770 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.

B+
3.01ct Marquise
£770 GBP