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Round|Lab Grown|IGI

2.03ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG778659631

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778659631

Diamond specifications and retailer prices

From £185 GBP
As of November 5, 2026
Save £730 GBP (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £915 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 2.03ct lab-grown round diamond

This 2.03ct lab-grown round 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 LG778659631 or 778659631. Listed at 19 retailers as of November 5, 2026, with prices from £185 to £915, a £730 spread on the same certified stone. MOH London lists it at £915. 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 angle32.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778659631
Dimensions8.24 × 8.19 × 4.89 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.24 mm8.19 mm2.03 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778659631
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £915 GBP|Low: £185 GBP|High: £937 GBP|Avg: £454 GBP|-2.1%
MOH London
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 17
November 6, 2026
Retailer 7£185 GBP
Retailer 14£206 GBP
Retailer 3£214 GBP
Retailer 13£229 GBP
Retailer 9£230 GBP
Retailer 8£349 GBP
Retailer 2£374 GBP
Retailer 4£384 GBP
Retailer 16£419 GBP
Retailer 10£430 GBP
Retailer 17£486 GBP
Retailer 12£588 GBP
Retailer 11£732 GBP
Retailer 15£736 GBP
Retailer 5£739 GBP
Retailer 6£774 GBP
MOH London£915 GBP

29 data points across 17 retailers

19 retailers£185 GBP to £915 GBP

A
Cheapest Retailer
-
£185 GBP
A
Retailer 2
-
£206 GBP
View
Final sale: no returns
A
Retailer 3
-
£214 GBP
View
A
Retailer 4
-
£229 GBP
View
Retailer 5
-
£230 GBP
View
Price last confirmed 12 days ago
Retailer 6
-
£349 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£374 GBP
View
B+
Retailer 8
-
£384 GBP
View
A
Retailer 9
-
£419 GBP
View
A
Retailer 10
-
£430 GBP
View
B+
Retailer 11
-
£443 GBP
View
A
Retailer 12
-
£486 GBP
View
B+
Retailer 13
-
£588 GBP
View
B+
Retailer 14
-
£732 GBP
View
B+
Retailer 15
-
£736 GBP
View
B+
Retailer 16
-
£739 GBP
View
B
Retailer 17
-
£774 GBP
View
B
Retailer 18
-
£914 GBP
View
Most Expensive
B
MOH London
LG778659631 · Nov 5
£915 GBP
View
18 more retailers have this diamond
Prices start from £185 GBPSave up to £730 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 Round
£185 GBP