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Round|Lab Grown|IGI

2.04ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG400912127

Shape and cutting style on the report: Round brilliant

Certificate IGI LG400912127

Diamond specifications and retailer prices

From £728 GBP
As of November 5, 2026
Save £4,292 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £5,020 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 2.04ct lab-grown round diamond

This 2.04ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG400912127 or 400912127. Listed at 11 retailers as of November 5, 2026, with prices from £728 to £5,020, a £4,292 spread on the same certified stone. MOH London lists it at £5,020. 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

2.04
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG400912127
Dimensions8.10 × 8.07 × 5.04 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
8.10 mm8.07 mm2.04 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG400912127
Side View
Table 56.0%Crown 36.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £5,020 GBP|Low: £728 GBP|High: £5,100 GBP|Avg: £2,360 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4£728 GBP
Retailer 3£1,599 GBP
Retailer 7£1,791 GBP
Retailer 5£1,855 GBP
Retailer 9£1,887 GBP
Retailer 8£1,976 GBP
Retailer 6£2,899 GBP
Retailer 2£2,908 GBP
MOH London£5,020 GBP

17 data points across 9 retailers

11 retailers£728 GBP to £5,020 GBP

A
Cheapest Retailer
-
£728 GBP
B+
Retailer 2
-
£1,599 GBP
View
B+
Retailer 3
-
£1,740 GBP
View
B+
Retailer 4
-
£1,791 GBP
View
Final sale: no returns
Retailer 5
-
£1,855 GBP
View
Price last confirmed 26 days ago
B+
Retailer 6
-
£1,855 GBP
View
B+
Retailer 7
-
£1,976 GBP
View
B
Retailer 8
-
£2,550 GBP
View
B
Retailer 9
-
£2,899 GBP
View
B
Retailer 10
-
£2,908 GBP
View
Most Expensive
B
MOH London
LG400912127 · Nov 5
£5,020 GBP
View
10 more retailers have this diamond
Prices start from £728 GBPSave up to £4,292 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
2.04ct Round
£728 GBP