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0.45ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG455033514

Shape and cutting style on the report: Round brilliant

Certificate IGI LG455033514

Diamond specifications and retailer prices

From £201 GBP
As of November 5, 2026
Save £814 GBP (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,014 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.45ct lab-grown round diamond

This 0.45ct lab-grown round sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG455033514 or 455033514. Listed at 10 retailers as of November 5, 2026, with prices from £201 to £1,014, a £814 spread on the same certified stone. MOH London lists it at £1,014. 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

0.45
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG455033514
Dimensions4.88 × 4.90 × 3.07 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
4.88 mm4.90 mm0.45 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG455033514
Side View
Table 54.5%Crown 35.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.8%

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: £1,014 GBP|Low: £196 GBP|High: £1,029 GBP|Avg: £412 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4£201 GBP
Retailer 5£205 GBP
Retailer 8£238 GBP
Retailer 6£254 GBP
Retailer 7£419 GBP
Retailer 3£438 GBP
Retailer 2£470 GBP
MOH London£1,014 GBP

45 data points across 8 retailers

10 retailers£201 GBP to £1,014 GBP

A
Cheapest Retailer
-
£201 GBP
A
Retailer 2
-
£205 GBP
View
B+
Retailer 3
-
£238 GBP
View
Retailer 4
-
£254 GBP
View
Price last confirmed 12 days ago
B+
Retailer 5
-
£254 GBP
View
B
Retailer 6
-
£419 GBP
View
B
Retailer 7
-
£438 GBP
View
B
Retailer 8
-
£470 GBP
View
B
Retailer 9
-
£816 GBP
View
Most Expensive
B
MOH London
LG455033514 · Nov 5
£1,014 GBP
View
9 more retailers have this diamond
Prices start from £201 GBPSave up to £814 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
0.45ct Round
£201 GBP