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Radiant|Lab Grown|IGI

1.01ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG523265497

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

Certificate IGI LG523265497

Diamond specifications and retailer prices

From £152 GBP
As of November 6, 2026
Save £748 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £901 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG523265497 or 523265497. Listed at 17 retailers as of November 6, 2026, with prices from £152 to £901, a £748 spread on the same certified stone. Reve Diamonds lists it at £901. 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

1.01
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523265497
Dimensions6.31 × 4.92 × 3.49 mm
L/W Ratio1.28
Culet sizePointed
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
6.31 mm4.92 mm1.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523265497
Side View
Table 66.5%Crown 41.6°Girdle: MED-STKPavilionCulet: NoneDepth 70.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £243 GBP|Low: £146 GBP|High: £893 GBP|Avg: £365 GBP|-1.8%
Retailer 1
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 6, 2026
Retailer 11£152 GBP
Retailer 7£170 GBP
Retailer 2£176 GBP
Retailer 3£189 GBP
Retailer 13£189 GBP
Retailer 4£240 GBP
Retailer 1£243 GBP
Retailer 15£326 GBP
Retailer 8£343 GBP
Retailer 5£365 GBP
Retailer 12£403 GBP
Retailer 14£607 GBP
Retailer 10£609 GBP
Retailer 6£646 GBP
Retailer 9£882 GBP

45 data points across 15 retailers

17 retailers£152 GBP to £901 GBP

A
Cheapest Retailer
-
£152 GBP
A
Retailer 2
-
£170 GBP
View
Final sale: no returns
A
Retailer 3
-
£176 GBP
View
Retailer 4
-
£189 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
£189 GBP
View
A
Retailer 6
-
£240 GBP
View
A
Retailer 7
-
£243 GBP
View
B+
Retailer 8
-
£326 GBP
View
B+
Retailer 9
-
£343 GBP
View
B+
Retailer 10
-
£365 GBP
View
B+
Retailer 11
-
£403 GBP
View
B
Retailer 12
-
£421 GBP
View
B
Retailer 13
-
£607 GBP
View
B
Retailer 14
-
£609 GBP
View
B
Retailer 15
-
£646 GBP
View
B
Retailer 16
-
£882 GBP
View
Most Expensive
B
Reve Diamonds
2E9EA38CF · Nov 6
£901 GBP
$1,205 USD
View
16 more retailers have this diamond
Prices start from £152 GBPSave up to £748 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
1.01ct Radiant
£152 GBP