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Round|Lab Grown|IGI

2.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG775633712

Shape and cutting style on the report: Round brilliant

Certificate IGI LG775633712

Diamond specifications and retailer prices

From £443 GBP
As of November 6, 2026
13 retailers carry this diamond
Most expensive: £1,605 GBP at Brilliant Earth · As of October 26, 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 LG775633712 or 775633712. Listed at 13 retailers as of November 6, 2026. 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 angle35.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775633712
Dimensions8.17 × 8.13 × 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
8.17 mm8.13 mm2.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775633712
Side View
Table 57.0%Crown 35.1°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,605 GBP|Low: £181 GBP|High: £1,657 GBP|Avg: £518 GBP|-3.1%
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
Retailer 16
October 31, 2026
Retailer 15£181 GBP
Retailer 7£204 GBP
Retailer 5£211 GBP
Retailer 4£225 GBP
Retailer 14£225 GBP
Retailer 16£273 GBP
Retailer 9£325 GBP
Retailer 10£406 GBP
Retailer 2£443 GBP
Retailer 12£463 GBP
Retailer 8£483 GBP
Retailer 13£724 GBP
Retailer 11£727 GBP
Retailer 3£869 GBP
Retailer 6£913 GBP
Brilliant Earth£1,605 GBP

25 data points across 16 retailers

13 retailers

Retailer 1
-
£181 GBP
Price last confirmed 17 days ago
Retailer 2
-
£211 GBP
View
Price last confirmed 28 days ago
Retailer 3
-
£225 GBP
View
Price last confirmed 25 days ago
Retailer 4
-
£225 GBP
View
Price last confirmed 16 days ago
Retailer 5
-
£273 GBP
View
Price last confirmed 16 days ago
Retailer 6
-
£406 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
£443 GBP
View
Retailer 8
-
£463 GBP
View
Price last confirmed 14 days ago
Retailer 9
-
£483 GBP
View
Price last confirmed 16 days ago
Retailer 10
-
£724 GBP
View
Price last confirmed 16 days ago
Retailer 11
-
£869 GBP
View
Price last confirmed 30 days ago
Retailer 12
-
£913 GBP
View
Price last confirmed 26 days ago
Most Expensive
Brilliant Earth
17725613A · Oct 26
£1,605 GBP
$2,160 USD
View
Price last confirmed 10 days ago
12 more retailers have this diamond
Prices start from £443 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
£443 GBP