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Round|Lab Grown|IGI

1.50ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG778657861

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778657861

Diamond specifications and retailer prices

From £153 GBP
As of November 3, 2026
Save £741 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £894 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 LG778657861 or 778657861. Listed at 19 retailers as of October 29, 2026, with prices from £153 to £894, a £741 spread on the same certified stone. MOH London lists it at £894. 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 angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778657861
Dimensions7.32 × 4.52 × 4.52 mm
L/W Ratio1.62
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.32 mm4.52 mm1.50 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778657861
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

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 3
Current: £894 GBP|Low: £153 GBP|High: £940 GBP|Avg: £438 GBP|+13.3%
MOH London
Retailer 2
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Retailer 19
November 3, 2026
Retailer 9£153 GBP
Retailer 4£170 GBP
Retailer 3£177 GBP
Retailer 16£189 GBP
Retailer 11£190 GBP
Retailer 2£294 GBP
Retailer 14£327 GBP
Retailer 5£327 GBP
Retailer 18£329 GBP
Retailer 19£435 GBP
Retailer 13£441 GBP
Retailer 12£500 GBP
Retailer 15£567 GBP
Retailer 17£608 GBP
Retailer 6£615 GBP
Retailer 8£648 GBP
Retailer 7£764 GBP
Retailer 10£798 GBP
MOH London£894 GBP

26 data points across 19 retailers

19 retailers£153 GBP to £894 GBP

A
Cheapest Retailer
-
£153 GBP
A
Retailer 2
-
£170 GBP
View
Final sale: no returns
A
Retailer 3
-
£177 GBP
View
A
Retailer 4
-
£189 GBP
View
Retailer 5
-
£190 GBP
View
Price last confirmed 10 days ago
A
Retailer 6
-
£294 GBP
View
A
Retailer 7
-
£327 GBP
View
B+
Retailer 8
-
£327 GBP
View
A
Retailer 9
-
£329 GBP
View
A
Retailer 10
-
£435 GBP
View
A
Retailer 11
-
£441 GBP
View
B+
Retailer 12
-
£500 GBP
View
B+
Retailer 13
-
£567 GBP
View
B+
Retailer 14
-
£608 GBP
View
B+
Retailer 15
-
£615 GBP
View
B+
Retailer 16
-
£648 GBP
View
B+
Retailer 17
-
£764 GBP
View
B+
Retailer 18
-
£798 GBP
View
Most Expensive
B
MOH London
LG778657861 · Oct 29
£894 GBP
View
18 more retailers have this diamond
Prices start from £153 GBPSave up to £741 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
£153 GBP