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Radiant|Lab Grown|IGI

1.09ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG537240730

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

Certificate IGI LG537240730

Diamond specifications and retailer prices

From £402 GBP
As of November 3, 2026
Save £450 GBP (53%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £852 GBP at Jared · As of November 4, 2026
View at Jared

About this 1.09ct lab-grown radiant diamond

This 1.09ct lab-grown radiant sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG537240730 or 537240730. Listed at 3 retailers as of November 3, 2026, with prices from £402 to £852, a £450 spread on the same certified stone. Jared lists it at £852. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537240730
Dimensions7.22 × 5.06 × 3.47 mm
L/W Ratio1.43
Top View
7.22 mm5.06 mm1.09 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537240730
Side View
Table 65.0%Crown 45.1°Girdle: MediumPavilion 35.3°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 3
Current: £852 GBP|Low: £402 GBP|High: £852 GBP|Avg: £636 GBP
Jared
Retailer 2
Retailer 3
September 26, 2026
Retailer 2£402 GBP
Retailer 3£570 GBP
Jared£852 GBP

3 data points across 3 retailers

3 retailers£402 GBP to £852 GBP

B+
Cheapest Retailer
-
£402 GBP
B
Retailer 2
-
£570 GBP
View
Most Expensive
B
Jared
159923645 · Nov 4
£852 GBP
$1,150 USD
View
2 more retailers have this diamond
Prices start from £402 GBPSave up to £450 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+
1.09ct Radiant
£402 GBP