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Round|Lab Grown|IGI

1.50ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG778657866

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778657866

Diamond specifications and retailer prices

From £151 GBP
As of November 3, 2026
Save £734 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £884 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round 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 LG778657866 or 778657866. Listed at 19 retailers as of October 29, 2026, with prices from £151 to £884, a £734 spread on the same certified stone. MOH London lists it at £884. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778657866
Dimensions7.40 × 7.35 × 4.42 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm7.35 mm1.50 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778657866
Side View
Table 61.0%Crown 33.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.9%

Caratlytics Score

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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: £884 GBP|Low: £151 GBP|High: £1,029 GBP|Avg: £425 GBP|+13.3%
MOH London
Retailer 2
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Retailer 19
November 3, 2026
Retailer 8£151 GBP
Retailer 4£168 GBP
Retailer 3£175 GBP
Retailer 16£187 GBP
Retailer 10£188 GBP
Retailer 2£291 GBP
Retailer 14£323 GBP
Retailer 5£324 GBP
Retailer 18£328 GBP
Retailer 19£434 GBP
Retailer 13£436 GBP
Retailer 12£494 GBP
Retailer 9£567 GBP
Retailer 17£602 GBP
Retailer 11£611 GBP
Retailer 7£641 GBP
Retailer 6£754 GBP
Retailer 15£798 GBP
MOH London£884 GBP

29 data points across 19 retailers

19 retailers£151 GBP to £884 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 10 days ago
A
Retailer 6
-
£291 GBP
View
A
Retailer 7
-
£323 GBP
View
B+
Retailer 8
-
£324 GBP
View
A
Retailer 9
-
£328 GBP
View
A
Retailer 10
-
£434 GBP
View
A
Retailer 11
-
£436 GBP
View
B+
Retailer 12
-
£494 GBP
View
B+
Retailer 13
-
£567 GBP
View
B+
Retailer 14
-
£602 GBP
View
B+
Retailer 15
-
£611 GBP
View
B+
Retailer 16
-
£641 GBP
View
B+
Retailer 17
-
£754 GBP
View
B+
Retailer 18
-
£798 GBP
View
Most Expensive
B
MOH London
LG778657866 · Oct 29
£884 GBP
View
18 more retailers have this diamond
Prices start from £151 GBPSave up to £734 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 Round
£151 GBP