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 $105 SGD
$82 USD
As of October 29, 2026
Save $623 SGD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $727 SGD 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 15 retailers as of October 26, 2026, with prices from $105 to $727, a $623 spread on the same certified stone. MOH London lists it at $727. 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
Colour
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

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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: Oct 29
Current: $727 SGD|Low: $109 SGD|High: $1,003 SGD|Avg: $384 SGD|-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$109 SGD
Retailer 3$162 SGD
Retailer 2$209 SGD
Retailer 7$238 SGD
Retailer 4$238 SGD
Retailer 5$249 SGD
Retailer 6$396 SGD
Retailer 9$396 SGD
MOH London$727 SGD

30 data points across 9 retailers

15 retailers$105 SGD to $727 SGD

Retailer 1
-
$92 SGD
$72 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$105 SGD
$82 USD
View
Retailer 3
-
$109 SGD
$85 USD
View
Price last confirmed 22 days ago
Retailer 4
-
$127 SGD
$99 USD
View
Price last confirmed 23 days ago
Retailer 5
-
$143 SGD
$112 USD
View
Price last confirmed 34 days ago
A
Retailer 6
-
$162 SGD
£100 GBP
View
A
Retailer 7
-
$209 SGD
€156 EUR
View
Retailer 8
-
$233 SGD
£144 GBP
View
Price last confirmed 20 days ago
Retailer 9
-
$238 SGD
$186 USD
View
Price last confirmed 7 days ago
A
Retailer 10
-
$238 SGD
£147 GBP
View
B+
Retailer 11
-
$249 SGD
$195 USD
View
B
Retailer 12
-
$396 SGD
$310 USD
View
Retailer 13
-
$396 SGD
$310 USD
View
Price last confirmed 20 days ago
Retailer 14
-
$433 SGD
$339 USD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
LG816671081 · Oct 26
$727 SGD
£448 GBP
View
14 more retailers have this diamond
Prices start from $105 SGDSave up to $623 SGD

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
$105 SGD