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Radiant|Lab Grown|IGI

1.38ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG514264256

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

Certificate IGI LG514264256

Diamond specifications and retailer prices

From £567 GBP
As of November 2, 2026
Save £1,104 GBP (66%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,044 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 1.38ct lab-grown radiant diamond

This 1.38ct 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 LG514264256 or 514264256. Listed at 13 retailers as of November 2, 2026, with a 195% 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

1.38
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514264256
Dimensions7.98 × 5.51 × 3.58 mm
L/W Ratio1.45
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
7.98 mm5.51 mm1.38 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514264256
Side View
Table 66.5%Crown 40°Girdle: ThickPavilion 32.1°Culet: NoneDepth 65.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £2,044 GBP|Low: £567 GBP|High: £2,757 GBP|Avg: £1,247 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 3, 2026
Retailer 9£567 GBP
Retailer 11£626 GBP
Retailer 14£682 GBP
Retailer 3£727 GBP
Retailer 12£727 GBP
Retailer 5£858 GBP
Retailer 6£1,120 GBP
Retailer 2£1,165 GBP
Retailer 13£1,169 GBP
Retailer 7£1,335 GBP
Retailer 10£1,671 GBP
Retailer 4£2,011 GBP
NZ Jewellers£2,044 GBP
Retailer 8£2,728 GBP

39 data points across 14 retailers

13 retailers£567 GBP to £1,671 GBP

B+
Cheapest Retailer
-
£567 GBP
B+
Retailer 2
-
£626 GBP
View
B+
Retailer 3
-
£682 GBP
View
Retailer 4
-
£727 GBP
View
Price last confirmed 18 days ago
B
Retailer 5
-
£727 GBP
View
B
Retailer 6
-
£858 GBP
View
B
Retailer 7
-
£1,165 GBP
View
B
Retailer 8
-
£1,169 GBP
View
B
Retailer 9
-
£1,335 GBP
View
B
Retailer 10
-
£1,671 GBP
View
Retailer 11
-
£2,011 GBP
View
Price under review
Most Expensive
NZ Jewellers
970bf657-f02b-456d-bdb5-55fc6699d643 · Nov 4
£2,044 GBP
$2,741 USD
View
Price under review
11 more retailers have this diamond
Prices start from £567 GBPSave up to £1,104 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+
1.38ct Radiant
£567 GBP