CaratHunter
Plans
Marquise|Lab Grown|IGI

3.02ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG837658062

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837658062

Diamond specifications and retailer prices

From £285 GBP
As of November 4, 2026
Save £1,750 GBP (86%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,036 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 LG837658062 or 837658062. Listed at 4 retailers as of November 4, 2026, with prices from £285 to £2,036, a £1,750 spread on the same certified stone. Brilliant Earth lists it at £2,036. 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 angle35°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837658062
Dimensions14.66 × 7.70 × 4.78 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.66 mm7.70 mm3.02 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837658062
Side View
Table 62.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.1%

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: £2,036 GBP|Low: £285 GBP|High: £2,095 GBP|Avg: £1,210 GBP|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3£285 GBP
Retailer 2£587 GBP
Retailer 4£1,571 GBP
Brilliant Earth£2,036 GBP

39 data points across 4 retailers

4 retailers£285 GBP to £2,036 GBP

A
Cheapest Retailer
-
£285 GBP
Final sale: no returns
A
Retailer 2
-
£587 GBP
View
Retailer 3
-
£1,571 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21485548A · Nov 4
£2,036 GBP
$2,740 USD
View
3 more retailers have this diamond
Prices start from £285 GBPSave up to £1,750 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
£285 GBP