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Round|Lab Grown|IGI

0.46ct F SI1 Round Lab Grown Diamond

VG • F/SI1 • IGI LG455034141

Shape and cutting style on the report: Round brilliant

Certificate IGI LG455034141

Diamond specifications and retailer prices

From £209 GBP
As of November 5, 2026
Save £826 GBP (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,035 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.46ct lab-grown round diamond

This 0.46ct lab-grown round sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG455034141 or 455034141. Listed at 10 retailers as of November 5, 2026, with prices from £209 to £1,035, a £826 spread on the same certified stone. MOH London lists it at £1,035. 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

0.46
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG455034141
Dimensions4.84 × 4.88 × 3.10 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
4.84 mm4.88 mm0.46 ctF / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG455034141
Side View
Table 57.5%Crown 36.8°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 63.8%

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: £1,035 GBP|Low: £201 GBP|High: £1,050 GBP|Avg: £421 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5£209 GBP
Retailer 4£223 GBP
Retailer 8£242 GBP
Retailer 6£259 GBP
Retailer 7£427 GBP
Retailer 3£450 GBP
Retailer 2£478 GBP
MOH London£1,035 GBP

45 data points across 8 retailers

10 retailers£209 GBP to £1,035 GBP

A
Cheapest Retailer
-
£209 GBP
B+
Retailer 2
-
£223 GBP
View
B+
Retailer 3
-
£242 GBP
View
Retailer 4
-
£259 GBP
View
Price last confirmed 12 days ago
B+
Retailer 5
-
£259 GBP
View
B
Retailer 6
-
£427 GBP
View
B
Retailer 7
-
£450 GBP
View
B
Retailer 8
-
£478 GBP
View
B
Retailer 9
-
£832 GBP
View
Most Expensive
B
MOH London
LG455034141 · Nov 5
£1,035 GBP
View
9 more retailers have this diamond
Prices start from £209 GBPSave up to £826 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
0.46ct Round
£209 GBP