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Radiant|Lab Grown|IGI

1.36ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG523265500

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

Certificate IGI LG523265500

Diamond specifications and retailer prices

From £198 GBP
As of November 6, 2026
Save £848 GBP (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,046 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.36ct lab-grown radiant diamond

This 1.36ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG523265500 or 523265500. Listed at 17 retailers as of November 6, 2026, with prices from £198 to £1,046, a £848 spread on the same certified stone. Reve Diamonds lists it at £1,046. 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

1.36
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle30.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523265500
Dimensions7.75 × 5.42 × 3.60 mm
L/W Ratio1.43
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
7.75 mm5.42 mm1.36 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523265500
Side View
Table 67.0%Crown 45.8°Girdle: MED-STKPavilion 30.2°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £465 GBP|Low: £190 GBP|High: £1,046 GBP|Avg: £519 GBP|+2.5%
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
Reve Diamonds
November 6, 2026
Retailer 11£198 GBP
Retailer 7£220 GBP
Retailer 2£229 GBP
Retailer 3£245 GBP
Retailer 13£245 GBP
Retailer 9£362 GBP
Retailer 4£398 GBP
Retailer 15£408 GBP
Retailer 5£436 GBP
Retailer 1£465 GBP
Retailer 12£665 GBP
Retailer 10£753 GBP
Retailer 14£787 GBP
Retailer 6£826 GBP
Retailer 8£979 GBP
Reve Diamonds£1,046 GBP

44 data points across 16 retailers

17 retailers£198 GBP to £1,046 GBP

A
Cheapest Retailer
-
£198 GBP
A
Retailer 2
-
£220 GBP
View
Final sale: no returns
A
Retailer 3
-
£229 GBP
View
Retailer 4
-
£245 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
£245 GBP
View
A
Retailer 6
-
£362 GBP
View
B+
Retailer 7
-
£398 GBP
View
B+
Retailer 8
-
£408 GBP
View
B+
Retailer 9
-
£436 GBP
View
B+
Retailer 10
-
£465 GBP
View
B+
Retailer 11
-
£545 GBP
View
B
Retailer 12
-
£665 GBP
View
B
Retailer 13
-
£753 GBP
View
B
Retailer 14
-
£787 GBP
View
B
Retailer 15
-
£826 GBP
View
B
Retailer 16
-
£979 GBP
View
Most Expensive
B
Reve Diamonds
0019F21E7 · Nov 6
£1,046 GBP
$1,400 USD
View
16 more retailers have this diamond
Prices start from £198 GBPSave up to £848 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
1.36ct Radiant
£198 GBP