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Round|Lab Grown|IGI

2.03ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG436046917

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436046917

Diamond specifications and retailer prices

From £654 GBP
As of November 5, 2026
Save £4,926 GBP (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £5,579 GBP at MOH London · As of November 3, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436046917 or 436046917. Listed at 10 retailers as of November 3, 2026, with prices from £654 to £5,579, a £4,926 spread on the same certified stone. MOH London lists it at £5,579. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046917
Dimensions8.11 × 8.14 × 4.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.11 mm8.14 mm2.03 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436046917
Side View
Table 57.5%Crown 34.6°GirdlePavilion 40.3°Culet: NoneDepth 60.9%

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 5
Current: £5,579 GBP|Low: £654 GBP|High: £5,654 GBP|Avg: £2,790 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5£654 GBP
Retailer 4£1,797 GBP
Retailer 9£1,955 GBP
Retailer 8£2,012 GBP
Retailer 6£2,084 GBP
Retailer 11£2,623 GBP
Retailer 10£2,864 GBP
Retailer 2£3,124 GBP
Retailer 7£3,249 GBP
Retailer 3£4,664 GBP
MOH London£5,579 GBP

16 data points across 11 retailers

10 retailers£654 GBP to £5,579 GBP

A
Cheapest Retailer
-
£654 GBP
B+
Retailer 2
-
£1,797 GBP
View
B+
Retailer 3
-
£1,955 GBP
View
B+
Retailer 4
-
£2,012 GBP
View
Final sale: no returns
B+
Retailer 5
-
£2,084 GBP
View
Retailer 6
-
£2,084 GBP
View
Price last confirmed 25 days ago
B
Retailer 7
-
£2,864 GBP
View
B
Retailer 8
-
£3,124 GBP
View
B
Retailer 9
-
£3,249 GBP
View
Most Expensive
B
MOH London
LG436046917 · Nov 3
£5,579 GBP
View
9 more retailers have this diamond
Prices start from £654 GBPSave up to £4,926 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
£654 GBP