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Radiant|Lab Grown|IGI

1.45ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG581338524

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

Certificate IGI LG581338524

Diamond specifications and retailer prices

From £332 GBP
$445 USD
As of November 1, 2026
Save £272 GBP (45%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £604 GBP at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.45ct lab-grown radiant diamond

This 1.45ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG581338524 or 581338524. Listed at 2 retailers as of October 31, 2026, with prices from £332 to £604, a £272 spread on the same certified stone. Diamond Quarter lists it at £604. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581338524
Dimensions7.93 × 5.62 × 3.80 mm
L/W Ratio1.41
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
7.93 mm5.62 mm1.45 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581338524
Side View
Table 63.0%Crown 43.9°Girdle: MediumPavilion 36.1°Culet: NoneDepth 67.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £332 GBP|Low: £107 GBP|High: £1,259 GBP|Avg: £558 GBP|+5.2%
Retailer 1
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Retailer 12
September 23, 2026
Retailer 10£107 GBP
Retailer 2£197 GBP
Retailer 8£284 GBP
Retailer 1£332 GBP
Retailer 4£437 GBP
Retailer 11£439 GBP
Retailer 6£489 GBP
Retailer 5£545 GBP
Retailer 7£664 GBP
Retailer 3£741 GBP
Retailer 9£760 GBP
Retailer 12£909 GBP

44 data points across 12 retailers

2 retailers£332 GBP to £604 GBP

A
Cheapest Retailer
-
£332 GBP
$445 USD
Most Expensive
B
Diamond Quarter
1.45VS1GLG24FC0CN · Oct 31
£604 GBP
View
1 more retailer has this diamond
Prices start from £332 GBPSave up to £272 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
1.45ct Radiant
£332 GBP