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Radiant|Lab Grown|IGI

1.45ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG581327804

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

Certificate IGI LG581327804

Diamond specifications and retailer prices

From £149 GBP
$199 USD
As of October 30, 2026
Save £714 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £863 GBP at MOH London · As of November 1, 2026
View at MOH London

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 LG581327804 or 581327804. Listed at 18 retailers as of October 30, 2026, with prices from £149 to £863, a £714 spread on the same certified stone. MOH London lists it at £863. 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 angle45°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581327804
Dimensions7.78 × 5.65 × 3.79 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
7.78 mm5.65 mm1.45 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581327804
Side View
Table 63.0%Crown 45°Girdle: MediumPavilion 35°Culet: NoneDepth 67.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £863 GBP|Low: £143 GBP|High: £873 GBP|Avg: £419 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9£149 GBP
Retailer 11£166 GBP
Retailer 10£184 GBP
Retailer 2£319 GBP
Retailer 5£338 GBP
Retailer 4£338 GBP
Retailer 3£446 GBP
Retailer 6£451 GBP
Retailer 8£461 GBP
Retailer 7£769 GBP
MOH London£863 GBP

42 data points across 11 retailers

18 retailers£149 GBP to £863 GBP

A
Cheapest Retailer
-
£149 GBP
$199 USD
A
Retailer 2
-
£166 GBP
$223 USD
View
Final sale: no returns
A
Retailer 3
-
£172 GBP
$231 USD
View
Retailer 4
-
£184 GBP
$247 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£184 GBP
$247 USD
View
B+
Retailer 6
-
£250 GBP
$335 USD
View
A
Retailer 7
-
£319 GBP
ZAR 6,897 ZAR
View
A
Retailer 8
-
£338 GBP
€431 EUR
View
A
Retailer 9
-
£338 GBP
View
B+
Retailer 10
-
£446 GBP
$598 USD
View
B+
Retailer 11
-
£451 GBP
A$930 AUD
View
B+
Retailer 12
-
£461 GBP
$618 USD
View
B+
Retailer 13
-
£518 GBP
View
B+
Retailer 14
-
£593 GBP
$795 USD
View
Retailer 15
-
£602 GBP
$807 USD
View
Price last confirmed 84 days ago
B+
Retailer 16
-
£633 GBP
$849 USD
View
B
Retailer 17
-
£769 GBP
$1,030 USD
View
Most Expensive
B
MOH London
LG581327804 · Nov 1
£863 GBP
View
17 more retailers have this diamond
Prices start from £149 GBPSave up to £714 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
£149 GBP