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Radiant|Lab Grown|IGI

2.05ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG705507211

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG705507211

Diamond specifications and retailer prices

From £312 GBP
As of November 6, 2026
Save £1,459 GBP (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,771 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 2.05ct lab-grown radiant diamond

This 2.05ct lab-grown radiant 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 LG705507211 or 705507211. Listed at 17 retailers as of November 6, 2026, with prices from £312 to £1,771, a £1,459 spread on the same certified stone. Brilliant Earth lists it at £1,771. 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 angle42.1°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG705507211
Dimensions8.98 × 6.31 × 4.25 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.98 mm6.31 mm2.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG705507211
Side View
Table 66.0%Crown 42.1°Girdle: Slightly ThickPavilion 34.3°Culet: NoneDepth 67.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,771 GBP|Low: £299 GBP|High: £1,823 GBP|Avg: £815 GBP|-2.9%
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
November 6, 2026
Retailer 11£312 GBP
Retailer 14£348 GBP
Retailer 12£386 GBP
Retailer 6£421 GBP
Retailer 8£493 GBP
Retailer 4£569 GBP
Retailer 13£582 GBP
Retailer 10£609 GBP
Retailer 2£627 GBP
Retailer 9£1,083 GBP
Retailer 3£1,266 GBP
Retailer 5£1,408 GBP
Retailer 7£1,414 GBP
Brilliant Earth£1,771 GBP

44 data points across 14 retailers

17 retailers£312 GBP to £1,771 GBP

A
Cheapest Retailer
-
£312 GBP
A
Retailer 2
-
£348 GBP
View
Final sale: no returns
A
Retailer 3
-
£348 GBP
View
Retailer 4
-
£386 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
£386 GBP
View
A
Retailer 6
-
£421 GBP
View
B+
Retailer 7
-
£493 GBP
View
B+
Retailer 8
-
£569 GBP
View
B+
Retailer 9
-
£582 GBP
View
B+
Retailer 10
-
£609 GBP
View
B+
Retailer 11
-
£627 GBP
View
B
Retailer 12
-
£1,083 GBP
View
B
Retailer 13
-
£1,240 GBP
View
B
Retailer 14
-
£1,266 GBP
View
B
Retailer 15
-
£1,408 GBP
View
B
Retailer 16
-
£1,414 GBP
View
Most Expensive
B
Brilliant Earth
14465981A · Nov 6
£1,771 GBP
$2,370 USD
View
16 more retailers have this diamond
Prices start from £312 GBPSave up to £1,459 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 Radiant
£312 GBP