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Round|Lab Grown|IGI

1.46ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG494162252

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494162252

Diamond specifications and retailer prices

From £545 GBP
As of November 5, 2026
Save £1,930 GBP (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,475 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.46ct lab-grown round diamond

This 1.46ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG494162252 or 494162252. Listed at 9 retailers as of November 5, 2026, with prices from £545 to £2,475, a £1,930 spread on the same certified stone. MOH London lists it at £2,475. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.46
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494162252
Dimensions7.28 × 7.25 × 4.47 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
7.28 mm7.25 mm1.46 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494162252
Side View
Table 56.5%Crown 35.8°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 61.4%

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 5
Current: £2,475 GBP|Low: £523 GBP|High: £2,512 GBP|Avg: £1,191 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 4£545 GBP
Retailer 2£609 GBP
Retailer 5£632 GBP
Retailer 7£1,003 GBP
Retailer 6£1,025 GBP
Retailer 8£1,414 GBP
Retailer 3£1,557 GBP
MOH London£2,475 GBP

16 data points across 8 retailers

9 retailers£545 GBP to £2,475 GBP

A
Cheapest Retailer
-
£545 GBP
A
Retailer 2
-
£593 GBP
View
A
Retailer 3
-
£609 GBP
View
A
Retailer 4
-
£632 GBP
View
Retailer 5
-
£632 GBP
View
Price last confirmed 25 days ago
B
Retailer 6
-
£1,025 GBP
View
B
Retailer 7
-
£1,557 GBP
View
B
Retailer 8
-
£1,777 GBP
View
Most Expensive
B
MOH London
LG494162252 · Nov 5
£2,475 GBP
View
8 more retailers have this diamond
Prices start from £545 GBPSave up to £1,930 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
1.46ct Round
£545 GBP