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Round|Lab Grown|IGI

2.05ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG781613250

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781613250

Diamond specifications and retailer prices

From £179 GBP
As of November 5, 2026
Save £809 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £988 GBP at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 2.05ct lab-grown round diamond

This 2.05ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG781613250 or 781613250. Listed at 18 retailers as of November 5, 2026, with prices from £179 to £988, a £809 spread on the same certified stone. Brilliant Earth lists it at £988. 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

2.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781613250
Dimensions8.14 × 8.10 × 5.04 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.14 mm8.10 mm2.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781613250
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.1%

Caratlytics Score

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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: £988 GBP|Low: £172 GBP|High: £988 GBP|Avg: £472 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 12£179 GBP
Retailer 2£200 GBP
Retailer 3£222 GBP
Retailer 4£308 GBP
Retailer 11£335 GBP
Retailer 8£369 GBP
Retailer 5£415 GBP
Retailer 10£443 GBP
Retailer 9£564 GBP
Retailer 7£780 GBP
Retailer 6£888 GBP
Brilliant Earth£988 GBP

38 data points across 12 retailers

18 retailers£179 GBP to £988 GBP

A
Cheapest Retailer
-
£179 GBP
A
Retailer 2
-
£200 GBP
View
Final sale: no returns
A
Retailer 3
-
£208 GBP
View
A
Retailer 4
-
£222 GBP
View
Retailer 5
-
£222 GBP
View
Price last confirmed 25 days ago
B+
Retailer 6
-
£308 GBP
View
A
Retailer 7
-
£369 GBP
View
A
Retailer 8
-
£415 GBP
View
A
Retailer 9
-
£424 GBP
View
A
Retailer 10
-
£441 GBP
View
A
Retailer 11
-
£443 GBP
View
B+
Retailer 12
-
£564 GBP
View
B+
Retailer 13
-
£714 GBP
View
B
Retailer 14
-
£753 GBP
View
B+
Retailer 15
-
£780 GBP
View
B+
Retailer 16
-
£888 GBP
View
B
Retailer 17
-
£984 GBP
View
Most Expensive
B
Brilliant Earth
18398243A · Nov 5
£988 GBP
$1,330 USD
View
17 more retailers have this diamond
Prices start from £179 GBPSave up to £809 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
2.05ct Round
£179 GBP