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Round|Lab Grown|IGI

1.50ct I SI1 Round Lab Grown Diamond

VG • I/SI1 • IGI LG483195466

Shape and cutting style on the report: Round brilliant

Certificate IGI LG483195466

Diamond specifications and retailer prices

From £624 GBP
As of November 5, 2026
Save £3,145 GBP (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,769 GBP at MOH London · As of November 5, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG483195466 or 483195466. Listed at 12 retailers as of November 5, 2026, with prices from £624 to £3,769, a £3,145 spread on the same certified stone. MOH London lists it at £3,769. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG483195466
Dimensions7.12 × 7.15 × 4.57 mm
L/W Ratio1.00
Girdle conditionFaceted
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
7.12 mm7.15 mm1.50 ctI / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG483195466
Side View
Table 57.5%Crown 37.9°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 64.0%

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 5
Current: £3,769 GBP|Low: £624 GBP|High: £3,830 GBP|Avg: £1,723 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 3£624 GBP
Retailer 4£1,014 GBP
Retailer 7£1,135 GBP
Retailer 5£1,176 GBP
Retailer 8£1,304 GBP
Retailer 9£1,610 GBP
Retailer 6£1,859 GBP
Retailer 2£2,114 GBP
Retailer 10£2,193 GBP
MOH London£3,769 GBP

40 data points across 10 retailers

12 retailers£624 GBP to £3,769 GBP

A
Cheapest Retailer
-
£624 GBP
B+
Retailer 2
-
£1,014 GBP
View
B+
Retailer 3
-
£1,103 GBP
View
B+
Retailer 4
-
£1,135 GBP
View
Final sale: no returns
B+
Retailer 5
-
£1,176 GBP
View
Retailer 6
-
£1,176 GBP
View
Price last confirmed 25 days ago
B
Retailer 7
-
£1,304 GBP
View
B
Retailer 8
-
£1,859 GBP
View
B
Retailer 9
-
£2,114 GBP
View
B
Retailer 10
-
£2,193 GBP
View
B
Retailer 11
-
£2,204 GBP
View
Most Expensive
B
MOH London
LG483195466 · Nov 5
£3,769 GBP
View
11 more retailers have this diamond
Prices start from £624 GBPSave up to £3,145 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
£624 GBP