Emerald|Lab Grown|IGI

0.42ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG816671081

Shape and cutting style on the report: Emerald cut

Certificate IGI LG816671081

Diamond specifications and retailer prices

From $101 CAD
$72 USD
As of October 24, 2026
Save $694 CAD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $795 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 0.42ct lab-grown emerald diamond

This 0.42ct lab-grown emerald 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 LG816671081 or 816671081. Listed at 16 retailers as of October 24, 2026, with prices from $101 to $795, a $694 spread on the same certified stone. MOH London lists it at $795. 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

0.42
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle30.3°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816671081
Dimensions5.85 × 3.86 × 2.37 mm
L/W Ratio1.52
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.85 mm3.86 mm0.42 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG816671081
Side View
Table 74.0%Crown 30.3°Girdle: ThickPavilion 41.6°Culet: LargeDepth 65.3%

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 24
Current: $795 CAD|Low: $119 CAD|High: $1,096 CAD|Avg: $419 CAD|-26.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 8$119 CAD
Retailer 3$177 CAD
Retailer 2$229 CAD
Retailer 7$260 CAD
Retailer 4$260 CAD
Retailer 5$272 CAD
Retailer 6$433 CAD
Retailer 9$433 CAD
MOH London$795 CAD

31 data points across 9 retailers

16 retailers$101 CAD to $795 CAD

A
Cheapest Retailer
-
$101 CAD
$72 USD
A
Retailer 2
-
$115 CAD
$82 USD
View
Retailer 3
-
$119 CAD
$85 USD
View
Price last confirmed 20 days ago
Retailer 4
-
$138 CAD
$99 USD
View
Price last confirmed 21 days ago
Retailer 5
-
$156 CAD
$112 USD
View
Price last confirmed 32 days ago
A
Retailer 6
-
$177 CAD
£100 GBP
View
A
Retailer 7
-
$229 CAD
€156 EUR
View
Retailer 8
-
$255 CAD
£144 GBP
View
Price last confirmed 19 days ago
B+
Retailer 9
-
$260 CAD
$186 USD
View
A
Retailer 10
-
$260 CAD
£147 GBP
View
B+
Retailer 11
-
$272 CAD
$195 USD
View
B
Retailer 12
-
$433 CAD
$310 USD
View
Retailer 13
-
$433 CAD
$310 USD
View
Price last confirmed 18 days ago
Retailer 14
-
$447 CAD
$320 USD
View
Price last confirmed 42 days ago
Retailer 15
-
$474 CAD
$339 USD
View
Price last confirmed 23 days ago
Most Expensive
B
MOH London
LG816671081 · Oct 26
$795 CAD
£448 GBP
View
15 more retailers have this diamond
Prices start from $101 CADSave up to $694 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 Emerald
$101 CAD