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Marquise|Lab Grown|IGI

3.02ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG846665795

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846665795

Diamond specifications and retailer prices

From £293 GBP
As of November 4, 2026
Save £305 GBP (51%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £598 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 3.02ct lab-grown marquise diamond

This 3.02ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG846665795 or 846665795. Listed at 2 retailers as of November 4, 2026, with prices from £293 to £598, a £305 spread on the same certified stone. 77 Diamonds lists it at £598. 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

3.02
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846665795
Dimensions15.13 × 7.47 × 4.75 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.13 mm7.47 mm3.02 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846665795
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £598 GBP|Low: £293 GBP|High: £637 GBP|Avg: £487 GBP|-6.1%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2£293 GBP
77 Diamonds£598 GBP

18 data points across 2 retailers

2 retailers£293 GBP to £598 GBP

A
Cheapest Retailer
-
£293 GBP
Final sale: no returns
Most Expensive
A
77 Diamonds
MQTVSEPAGHPAQ · Nov 6
£598 GBP
View
1 more retailer has this diamond
Prices start from £293 GBPSave up to £305 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
3.02ct Marquise
£293 GBP