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Emerald|Lab Grown|IGI

3.92ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG831620149

Shape and cutting style on the report: Emerald cut

Certificate IGI LG831620149

Diamond specifications and retailer prices

From $2,552 AUD
$1,793 USD
As of October 28, 2026
Save $903 AUD (26%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $6,007 AUD at MOH London · As of October 19, 2026
View at MOH London

About this 3.92ct lab-grown emerald diamond

This 3.92ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG831620149 or 831620149. Listed at 4 retailers as of October 28, 2026, with a 35% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.92
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle45.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831620149
Dimensions10.51 × 7.41 × 5.10 mm
L/W Ratio1.42
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.51 mm7.41 mm3.92 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831620149
Side View
Table 68.0%Crown 35.6°Girdle: Slightly ThickPavilion 45.4°Culet: LargeDepth 68.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $6,007 AUD|Low: $2,552 AUD|High: $6,056 AUD|Avg: $4,213 AUD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 4$2,552 AUD
Retailer 2$3,455 AUD
Retailer 3$4,647 AUD
MOH London$6,007 AUD

10 data points across 4 retailers

4 retailers$2,552 AUD to $3,455 AUD

B+
Cheapest Retailer
-
$2,552 AUD
$1,793 USD
B
Retailer 2
-
$3,455 AUD
€2,312 EUR
View
Retailer 3
-
$4,647 AUD
$3,265 USD
View
Price last confirmed 9 days ago
Most Expensive
MOH London
LG831620149 · Oct 19
$6,007 AUD
£3,323 GBP
View
Price last confirmed 11 days ago
3 more retailers have this diamond
Prices start from $2,552 AUDSave up to $903 AUD

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+
3.92ct Emerald
$2,552 AUD