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Round|Lab Grown|IGI

2.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG779631733

Shape and cutting style on the report: Round brilliant

Certificate IGI LG779631733

Diamond specifications and retailer prices

From £231 GBP
As of November 4, 2026
Save £1,686 GBP (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,917 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG779631733 or 779631733. Listed at 14 retailers as of November 4, 2026, with prices from £231 to £1,917, a £1,686 spread on the same certified stone. Brilliant Earth lists it at £1,917. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779631733
Dimensions8.16 × 8.19 × 5.02 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
8.16 mm8.19 mm2.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779631733
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,917 GBP|Low: £231 GBP|High: £1,954 GBP|Avg: £753 GBP|-1.9%
Brilliant Earth
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
November 5, 2026
Retailer 3£231 GBP
Retailer 12£361 GBP
Retailer 7£375 GBP
Retailer 11£375 GBP
Retailer 13£412 GBP
Retailer 14£440 GBP
Retailer 9£443 GBP
Retailer 8£497 GBP
Retailer 10£520 GBP
Retailer 6£910 GBP
Retailer 4£1,031 GBP
Retailer 5£1,058 GBP
Retailer 15£1,070 GBP
Retailer 2£1,131 GBP
Brilliant Earth£1,917 GBP

39 data points across 15 retailers

14 retailers£231 GBP to £1,917 GBP

A
Cheapest Retailer
-
£231 GBP
Final sale: no returns
A
Retailer 2
-
£361 GBP
View
A
Retailer 3
-
£375 GBP
View
A
Retailer 4
-
£375 GBP
View
A
Retailer 5
-
£440 GBP
View
A
Retailer 6
-
£443 GBP
View
A
Retailer 7
-
£497 GBP
View
A
Retailer 8
-
£520 GBP
View
B
Retailer 9
-
£910 GBP
View
B
Retailer 10
-
£1,031 GBP
View
B
Retailer 11
-
£1,058 GBP
View
B
Retailer 12
-
£1,070 GBP
View
B
Retailer 13
-
£1,131 GBP
View
Most Expensive
B
Brilliant Earth
18111141A · Nov 5
£1,917 GBP
$2,580 USD
View
13 more retailers have this diamond
Prices start from £231 GBPSave up to £1,686 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
£231 GBP