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Marquise|Lab Grown|IGI

2.03ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG784648462

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784648462

Diamond specifications and retailer prices

From £191 GBP
$256 USD
As of October 30, 2026
Save £760 GBP (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £951 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 2.03ct lab-grown marquise diamond

This 2.03ct lab-grown marquise sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG784648462 or 784648462. Listed at 14 retailers as of October 29, 2026, with prices from £191 to £951, a £760 spread on the same certified stone. MOH London lists it at £951. 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

2.03
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784648462
Dimensions13.12 × 6.62 × 4.09 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.12 mm6.62 mm2.03 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784648462
Side View
Table 59.0%Crown 34.8°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £951 GBP|Low: £191 GBP|High: £1,032 GBP|Avg: £510 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
Retailer 15
Retailer 16
November 2, 2026
Retailer 11£191 GBP
Retailer 5£221 GBP
Retailer 12£236 GBP
Retailer 3£267 GBP
Retailer 2£292 GBP
Retailer 13£354 GBP
Retailer 4£393 GBP
Retailer 14£448 GBP
Retailer 9£451 GBP
Retailer 7£462 GBP
Retailer 16£480 GBP
Retailer 10£726 GBP
Retailer 15£759 GBP
Retailer 6£891 GBP
MOH London£951 GBP
Retailer 8£1,032 GBP

5 data points across 16 retailers

14 retailers£191 GBP to £951 GBP

A
Cheapest Retailer
-
£191 GBP
$256 USD
A
Retailer 2
-
£221 GBP
$296 USD
View
A
Retailer 3
-
£236 GBP
$317 USD
View
A
Retailer 4
-
£267 GBP
HK$2,800 HKD
View
A
Retailer 5
-
£292 GBP
View
A
Retailer 6
-
£354 GBP
$475 USD
View
B+
Retailer 7
-
£393 GBP
$528 USD
View
A
Retailer 8
-
£448 GBP
$601 USD
View
A
Retailer 9
-
£451 GBP
View
A
Retailer 10
-
£480 GBP
$644 USD
View
B+
Retailer 11
-
£726 GBP
$974 USD
View
B+
Retailer 12
-
£759 GBP
$1,019 USD
View
B+
Retailer 13
-
£891 GBP
$1,195 USD
View
Most Expensive
B+
MOH London
LG784648462 · Oct 29
£951 GBP
View
13 more retailers have this diamond
Prices start from £191 GBPSave up to £760 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
2.03ct Marquise
£191 GBP