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Radiant|Lab Grown|IGI

1.50ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG778659549

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

Certificate IGI LG778659549

Diamond specifications and retailer prices

From £151 GBP
As of November 4, 2026
Save £721 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £872 GBP at MOH London · As of November 5, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778659549 or 778659549. Listed at 18 retailers as of November 4, 2026, with prices from £151 to £872, a £721 spread on the same certified stone. MOH London lists it at £872. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778659549
Dimensions8.02 × 5.63 × 3.85 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.02 mm5.63 mm1.50 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778659549
Side View
Table 58.0%Crown 33.3°Girdle: ThickPavilion 34.4°Culet: NoneDepth 68.4%

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: £872 GBP|Low: £147 GBP|High: £1,193 GBP|Avg: £466 GBP|-2.5%
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
Retailer 15
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Retailer 17
Retailer 18
November 5, 2026
Retailer 3£151 GBP
Retailer 18£168 GBP
Retailer 14£175 GBP
Retailer 8£187 GBP
Retailer 9£188 GBP
Retailer 13£322 GBP
Retailer 4£324 GBP
Retailer 10£359 GBP
Retailer 16£432 GBP
Retailer 12£436 GBP
Retailer 11£491 GBP
Retailer 2£581 GBP
Retailer 15£601 GBP
Retailer 5£607 GBP
Retailer 7£640 GBP
Retailer 17£726 GBP
Retailer 6£753 GBP
MOH London£872 GBP

36 data points across 18 retailers

18 retailers£151 GBP to £872 GBP

A
Cheapest Retailer
-
£151 GBP
A
Retailer 2
-
£168 GBP
View
Final sale: no returns
A
Retailer 3
-
£175 GBP
View
A
Retailer 4
-
£187 GBP
View
Retailer 5
-
£188 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£322 GBP
View
B+
Retailer 7
-
£324 GBP
View
A
Retailer 8
-
£359 GBP
View
A
Retailer 9
-
£432 GBP
View
A
Retailer 10
-
£436 GBP
View
A
Retailer 11
-
£491 GBP
View
B+
Retailer 12
-
£581 GBP
View
B+
Retailer 13
-
£601 GBP
View
B+
Retailer 14
-
£607 GBP
View
B+
Retailer 15
-
£640 GBP
View
B+
Retailer 16
-
£726 GBP
View
B+
Retailer 17
-
£753 GBP
View
Most Expensive
B
MOH London
LG778659549 · Nov 5
£872 GBP
View
17 more retailers have this diamond
Prices start from £151 GBPSave up to £721 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
£151 GBP