CaratHunter
Plans
Radiant|Lab Grown|IGI

1.50ct I VS1 Radiant Lab Grown Diamond

GD • I/VS1 • IGI LG508122910

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

Certificate IGI LG508122910

Diamond specifications and retailer prices

From £273 GBP
As of November 4, 2026
Save £1,057 GBP (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,329 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 standard cut grade and certified by IGI LG508122910 or 508122910. Listed at 15 retailers as of October 29, 2026, with prices from £273 to £1,329, a £1,057 spread on the same certified stone. MOH London lists it at £1,329. 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
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508122910
Dimensions7.82 × 5.57 × 3.78 mm
L/W Ratio1.40
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
7.82 mm5.57 mm1.50 ctI / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508122910
Side View
Table 65.0%Crown 43.8°Girdle: Slightly ThickPavilion 34.2°Culet: NoneDepth 67.9%

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: £1,329 GBP|Low: £262 GBP|High: £1,338 GBP|Avg: £692 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£273 GBP
Retailer 14£305 GBP
Retailer 11£339 GBP
Retailer 4£368 GBP
Retailer 9£448 GBP
Retailer 13£526 GBP
Retailer 12£541 GBP
Retailer 7£583 GBP
Retailer 2£593 GBP
Retailer 6£767 GBP
Retailer 8£992 GBP
Retailer 5£1,116 GBP
Retailer 3£1,219 GBP
MOH London£1,329 GBP

20 data points across 14 retailers

15 retailers£273 GBP to £1,329 GBP

A
Cheapest Retailer
-
£273 GBP
B+
Retailer 2
-
£305 GBP
View
Final sale: no returns
B+
Retailer 3
-
£316 GBP
View
Retailer 4
-
£339 GBP
View
Price last confirmed 10 days ago
B+
Retailer 5
-
£339 GBP
View
B+
Retailer 6
-
£368 GBP
View
B+
Retailer 7
-
£448 GBP
View
B+
Retailer 8
-
£526 GBP
View
B+
Retailer 9
-
£541 GBP
View
B+
Retailer 10
-
£583 GBP
View
B+
Retailer 11
-
£593 GBP
View
B
Retailer 12
-
£992 GBP
View
B
Retailer 13
-
£1,087 GBP
View
B
Retailer 14
-
£1,116 GBP
View
Most Expensive
B
MOH London
LG508122910 · Oct 29
£1,329 GBP
View
14 more retailers have this diamond
Prices start from £273 GBPSave up to £1,057 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
£273 GBP