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Radiant|Lab Grown|IGI

1.52ct F SI1 Radiant Lab Grown Diamond

VG • F/SI1 • IGI LG680593190

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

Certificate IGI LG680593190

Diamond specifications and retailer prices

From £397 GBP
As of November 6, 2026
Save £156 GBP (28%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £553 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.52ct lab-grown radiant diamond

This 1.52ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG680593190 or 680593190. Listed at 2 retailers as of November 5, 2026, with prices from £397 to £553, a £156 spread on the same certified stone. Diamond Quarter lists it at £553. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.52
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680593190
Dimensions7.92 × 5.69 × 4.03 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm5.69 mm1.52 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680593190
Side View
Table 63.0%Crown 43°Girdle: MediumPavilion 37.2°Culet: NoneDepth 70.8%

Caratlytics Score

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

Last verified: Nov 6
Current: £397 GBP|Low: £389 GBP|High: £584 GBP|Avg: £455 GBP|-32.0%
September 23, 2026
Retailer 1£397 GBP

4 data points across 1 retailer

2 retailers£397 GBP to £553 GBP

B+
Cheapest Retailer
-
£397 GBP
Most Expensive
B
Diamond Quarter
1.52SI1FLG9034F5N · Nov 5
£553 GBP
View
1 more retailer has this diamond
Prices start from £397 GBPSave up to £156 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+
1.52ct Radiant
£397 GBP