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Radiant|Lab Grown|IGI

1.05ct H VS2 Radiant Lab Grown Diamond

EX • H/VS2 • IGI LG621452600

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

Certificate IGI LG621452600

Diamond specifications and retailer prices

From £318 GBP
As of October 29, 2026
Save £51 GBP (14%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £370 GBP at MD Diamonds and Jewellers · As of October 29, 2026
View at MD Diamonds and Jewellers

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621452600 or 621452600. Listed at 2 retailers as of October 29, 2026, with prices from £318 to £370, a £51 spread on the same certified stone. MD Diamonds and Jewellers lists it at £370. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
H
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.2°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621452600
Dimensions7.18 × 4.97 × 3.39 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.18 mm4.97 mm1.05 ctH / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621452600
Side View
Table 67.0%Crown 47.2°Girdle: MediumPavilion 36.1°Culet: NoneDepth 68.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: £370 GBP|Low: £318 GBP|High: £370 GBP|Avg: £359 GBP
MD Diamonds and Jewellers
Retailer 2
September 26, 2026
Retailer 2£318 GBP
MD Diamonds and Jewellers£370 GBP

4 data points across 2 retailers

2 retailers£318 GBP to £370 GBP

B+
Cheapest Retailer
-
£318 GBP
Most Expensive
B+
MD Diamonds and Jewellers
LG621452600 · Oct 29
£370 GBP
View
1 more retailer has this diamond
Prices start from £318 GBPSave up to £51 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.

B+
1.05ct Radiant
£318 GBP