Round|Lab Grown|IGI

0.42ct G SI1 Round Lab Grown Diamond

VG • G/SI1 • IGI LG455034095

Shape and cutting style on the report: Round brilliant

Certificate IGI LG455034095

Diamond specifications and retailer prices

From $323 CAD
$231 USD
As of October 29, 2026
Save $1,290 CAD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,613 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.42ct lab-grown round diamond

This 0.42ct 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 LG455034095 or 455034095. Listed at 10 retailers as of October 29, 2026, with prices from $323 to $1,613, a $1,290 spread on the same certified stone. MOH London lists it at $1,613. 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

0.42
Carat
G
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG455034095
Dimensions4.68 × 4.64 × 3.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
4.68 mm4.64 mm0.42 ctG / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG455034095
Side View
Table 57.5%Crown 36.6°Girdle: STK-THKPavilion 41.6°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,613 CAD|Low: $310 CAD|High: $1,623 CAD|Avg: $658 CAD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 5$323 CAD
Retailer 2$349 CAD
Retailer 8$374 CAD
Retailer 6$400 CAD
Retailer 7$679 CAD
Retailer 3$752 CAD
Retailer 4$772 CAD
MOH London$1,613 CAD

41 data points across 8 retailers

10 retailers$323 CAD to $1,613 CAD

B+
Cheapest Retailer
-
$323 CAD
$231 USD
A
Retailer 2
-
$349 CAD
$250 USD
View
B+
Retailer 3
-
$374 CAD
$268 USD
View
B+
Retailer 4
-
$400 CAD
$286 USD
View
B+
Retailer 5
-
$400 CAD
$286 USD
View
B
Retailer 6
-
$679 CAD
$486 USD
View
B
Retailer 7
-
$752 CAD
£424 GBP
View
B
Retailer 8
-
$772 CAD
€526 EUR
View
B
Retailer 9
-
$1,287 CAD
$921 USD
View
Most Expensive
B
MOH London
LG455034095 · Oct 29
$1,613 CAD
£909 GBP
View
9 more retailers have this diamond
Prices start from $323 CADSave up to $1,290 CAD

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
0.42ct Round
$323 CAD