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Round|Lab Grown|IGI

0.49ct G SI1 Round Lab Grown Diamond

VG • G/SI1 • IGI LG455033506

Shape and cutting style on the report: Round brilliant

Certificate IGI LG455033506

Diamond specifications and retailer prices

From £198 GBP
$265 USD
As of October 29, 2026
Save £785 GBP (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £983 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.49ct lab-grown round diamond

This 0.49ct lab-grown round sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG455033506 or 455033506. Listed at 10 retailers as of October 26, 2026, with prices from £198 to £983, a £785 spread on the same certified stone. MOH London lists it at £983. 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

0.49
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG455033506
Dimensions4.98 × 4.95 × 3.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Blue Nuance
Top View
4.98 mm4.95 mm0.49 ctG / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG455033506
Side View
Table 56.5%Crown 36.1°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 64.2%

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: Oct 29
Current: £983 GBP|Low: £190 GBP|High: £993 GBP|Avg: £397 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 5£198 GBP
Retailer 3£216 GBP
Retailer 8£229 GBP
Retailer 6£245 GBP
Retailer 9£351 GBP
Retailer 7£407 GBP
Retailer 4£462 GBP
Retailer 2£468 GBP
MOH London£983 GBP

41 data points across 9 retailers

10 retailers£198 GBP to £983 GBP

A
Cheapest Retailer
-
£198 GBP
$265 USD
A
Retailer 2
-
£216 GBP
$290 USD
View
B+
Retailer 3
-
£229 GBP
$307 USD
View
B+
Retailer 4
-
£245 GBP
$328 USD
View
B+
Retailer 5
-
£245 GBP
$328 USD
View
B
Retailer 6
-
£407 GBP
$546 USD
View
B
Retailer 7
-
£462 GBP
€589 EUR
View
B
Retailer 8
-
£468 GBP
View
B
Retailer 9
-
£787 GBP
$1,055 USD
View
Most Expensive
B
MOH London
LG455033506 · Oct 26
£983 GBP
View
9 more retailers have this diamond
Prices start from £198 GBPSave up to £785 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
0.49ct Round
£198 GBP