CaratHunter
Plans
Radiant|Lab Grown|IGI

1.50ct I VS1 Radiant Lab Grown Diamond

VG • I/VS1 • IGI LG595374338

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

Certificate IGI LG595374338

Diamond specifications and retailer prices

From £323 GBP
As of November 4, 2026
Save £1,156 GBP (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,479 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG595374338 or 595374338. Listed at 15 retailers as of October 29, 2026, with prices from £323 to £1,479, a £1,156 spread on the same certified stone. MOH London lists it at £1,479. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG595374338
Dimensions8.03 × 5.63 × 3.84 mm
L/W Ratio1.43
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
8.03 mm5.63 mm1.50 ctI / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG595374338
Side View
Table 65.0%Crown 38.4°Girdle: Slightly ThickPavilion 35.9°Culet: NoneDepth 68.2%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £1,479 GBP|Low: £310 GBP|High: £1,489 GBP|Avg: £756 GBP|+0.5%
MOH London
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 4, 2026
Retailer 10£323 GBP
Retailer 14£361 GBP
Retailer 4£386 GBP
Retailer 11£401 GBP
Retailer 9£507 GBP
Retailer 13£577 GBP
Retailer 2£619 GBP
Retailer 12£630 GBP
Retailer 7£690 GBP
Retailer 6£767 GBP
Retailer 3£1,084 GBP
Retailer 8£1,124 GBP
Retailer 5£1,312 GBP
MOH London£1,479 GBP

23 data points across 14 retailers

15 retailers£323 GBP to £1,479 GBP

A
Cheapest Retailer
-
£323 GBP
A
Retailer 2
-
£361 GBP
View
Final sale: no returns
A
Retailer 3
-
£361 GBP
View
B+
Retailer 4
-
£386 GBP
View
Retailer 5
-
£401 GBP
View
Price last confirmed 10 days ago
B+
Retailer 6
-
£401 GBP
View
B+
Retailer 7
-
£507 GBP
View
B+
Retailer 8
-
£577 GBP
View
B+
Retailer 9
-
£619 GBP
View
B
Retailer 10
-
£630 GBP
View
B
Retailer 11
-
£690 GBP
View
B
Retailer 12
-
£1,124 GBP
View
B
Retailer 13
-
£1,287 GBP
View
B
Retailer 14
-
£1,312 GBP
View
Most Expensive
B
MOH London
LG595374338 · Oct 29
£1,479 GBP
View
14 more retailers have this diamond
Prices start from £323 GBPSave up to £1,156 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
1.50ct Radiant
£323 GBP