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Round|Lab Grown|IGI

0.45ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG649440294

Shape and cutting style on the report: Round brilliant

Certificate IGI LG649440294

Diamond specifications and retailer prices

From £97 GBP
As of November 4, 2026
Save £416 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £512 GBP at MOH London · As of November 4, 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG649440294 or 649440294. Listed at 14 retailers as of November 4, 2026, with prices from £97 to £512, a £416 spread on the same certified stone. MOH London lists it at £512. 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

0.45
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle37.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649440294
Dimensions4.89 × 4.74 × 3.03 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.89 mm4.74 mm0.45 ctE / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG649440294
Side View
Table 60.0%Crown 37.2°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 62.9%

Caratlytics Score

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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 4
Current: £512 GBP|Low: £87 GBP|High: £608 GBP|Avg: £209 GBP|-14.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9£87 GBP
Retailer 3£97 GBP
Retailer 2£129 GBP
Retailer 4£155 GBP
Retailer 7£157 GBP
Retailer 5£161 GBP
Retailer 8£230 GBP
Retailer 6£242 GBP
MOH London£512 GBP

42 data points across 9 retailers

14 retailers£97 GBP to £512 GBP

Retailer 1
-
£63 GBP
Price last confirmed 36 days ago
Retailer 2
-
£77 GBP
View
Price last confirmed 28 days ago
Retailer 3
-
£87 GBP
View
Price last confirmed 35 days ago
Retailer 4
-
£87 GBP
View
Price last confirmed 25 days ago
A
Retailer 5
-
£97 GBP
View
Retailer 6
-
£112 GBP
View
Price last confirmed 102 days ago
A
Retailer 7
-
£129 GBP
View
A
Retailer 8
-
£155 GBP
View
B+
Retailer 9
-
£157 GBP
View
B+
Retailer 10
-
£197 GBP
View
Retailer 11
-
£230 GBP
View
Price last confirmed 19 days ago
B
Retailer 12
-
£242 GBP
View
Retailer 13
-
£263 GBP
View
Price last confirmed 37 days ago
Most Expensive
B
MOH London
LG649440294 · Nov 4
£512 GBP
View
13 more retailers have this diamond
Prices start from £97 GBPSave up to £416 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
£97 GBP