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Radiant|Lab Grown|IGI

1.42ct I VS1 Radiant Lab Grown Diamond

EX • I/VS1 • IGI LG638428730

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

Certificate IGI LG638428730

Diamond specifications and retailer prices

From £181 GBP
As of November 3, 2026
Save £1,221 GBP (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,402 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.42ct lab-grown radiant diamond

This 1.42ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG638428730 or 638428730. Listed at 13 retailers as of November 3, 2026, with prices from £181 to £1,402, a £1,221 spread on the same certified stone. Do Amore Diamonds lists it at £1,402. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.5°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638428730
Dimensions7.93 × 5.71 × 3.82 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.93 mm5.71 mm1.42 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638428730
Side View
Table 63.0%Crown 46.5°Girdle: MediumPavilion 34.8°Culet: NoneDepth 66.9%

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 3
Current: £1,402 GBP|Low: £181 GBP|High: £1,402 GBP|Avg: £558 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 10£181 GBP
Retailer 2£300 GBP
Retailer 13£303 GBP
Retailer 11£316 GBP
Retailer 7£345 GBP
Retailer 12£371 GBP
Retailer 6£500 GBP
Retailer 9£585 GBP
Retailer 4£626 GBP
Retailer 5£761 GBP
Retailer 3£772 GBP
Retailer 8£802 GBP
Do Amore Diamonds£1,402 GBP

37 data points across 13 retailers

13 retailers£181 GBP to £1,402 GBP

A
Cheapest Retailer
-
£181 GBP
A
Retailer 2
-
£181 GBP
View
A
Retailer 3
-
£300 GBP
View
A
Retailer 4
-
£303 GBP
View
B+
Retailer 5
-
£316 GBP
View
A
Retailer 6
-
£345 GBP
View
A
Retailer 7
-
£371 GBP
View
B+
Retailer 8
-
£500 GBP
View
B+
Retailer 9
-
£585 GBP
View
B
Retailer 10
-
£644 GBP
View
B
Retailer 11
-
£772 GBP
View
B
Retailer 12
-
£802 GBP
View
Most Expensive
B
Do Amore Diamonds
27-272CF9775 · Nov 4
£1,402 GBP
$1,880 USD
View
12 more retailers have this diamond
Prices start from £181 GBPSave up to £1,221 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
1.42ct Radiant
£181 GBP