Marquise|Lab Grown|IGI

0.42ct F VVS1 Marquise Lab Grown Diamond

VG • F/VVS1 • IGI LG821620958

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821620958

Diamond specifications and retailer prices

From $680 CAD
$487 USD
As of October 24, 2026
3 retailers carry this diamond
Most expensive: $939 CAD at Taylor and Hart · As of October 23, 2026
View at Taylor and Hart

About this 0.42ct lab-grown marquise diamond

This 0.42ct lab-grown marquise sits in the sub-half-carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG821620958 or 821620958. Listed at 3 retailers as of October 24, 2026. 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
F
Color
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821620958
Dimensions7.94 × 3.76 × 2.38 mm
L/W Ratio2.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.94 mm3.76 mm0.42 ctF / VVS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG821620958
Side View
Table 59.0%Crown 36.4°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 24
Current: $680 CAD|Low: $454 CAD|High: $939 CAD|Avg: $753 CAD
Retailer 1
Retailer 2
Taylor and Hart
October 24, 2026
Retailer 2$454 CAD
Retailer 1$680 CAD
Taylor and Hart$939 CAD

2 data points across 3 retailers

3 retailers

Retailer 1
-
$454 CAD
£256 GBP
Price last confirmed 9 days ago
B
Retailer 2
-
$680 CAD
$487 USD
View
Most Expensive
Taylor and Hart
FQMQK4C · Oct 23
$939 CAD
$672 USD
View
Price last confirmed 9 days ago
2 more retailers have this diamond
Prices start from $680 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.

B
0.42ct Marquise
$680 CAD