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Radiant|Lab Grown|IGI

1.40ct G VVS1 Radiant Lab Grown Diamond

ID • G/VVS1 • IGI LG547268288

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

Certificate IGI LG547268288

Diamond specifications and retailer prices

From £356 GBP
As of November 4, 2026
Save £513 GBP (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £931 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.4ct lab-grown radiant diamond

This 1.4ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG547268288 or 547268288. Listed at 6 retailers as of November 4, 2026, with a 144% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG547268288
Dimensions7.86 × 5.52 × 3.76 mm
L/W Ratio1.42
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
7.86 mm5.52 mm1.40 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG547268288
Side View
Table 64.5%Crown 44.5°Girdle: MediumPavilion 35.4°Culet: NoneDepth 68.1%

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: Nov 4
Current: £931 GBP|Low: £337 GBP|High: £937 GBP|Avg: £622 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3£356 GBP
Retailer 6£426 GBP
Retailer 2£435 GBP
Retailer 4£450 GBP
Retailer 5£869 GBP
Retailer 7£895 GBP
MOH London£931 GBP

42 data points across 7 retailers

6 retailers£356 GBP to £869 GBP

A
Cheapest Retailer
-
£356 GBP
A
Retailer 2
-
£426 GBP
View
B+
Retailer 3
-
£435 GBP
View
B+
Retailer 4
-
£450 GBP
View
B
Retailer 5
-
£869 GBP
View
Most Expensive
MOH London
LG547268288 · Oct 29
£931 GBP
View
Price last confirmed 7 days ago
5 more retailers have this diamond
Prices start from £356 GBPSave up to £513 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
1.40ct Radiant
£356 GBP