CaratHunter
Plans
Emerald|Lab Grown|IGI

3.09ct J SI2 Emerald Lab Grown Diamond

ID • J/SI2 • IGI LG445045493

Shape and cutting style on the report: Emerald cut

Certificate IGI LG445045493

Diamond specifications and retailer prices

From $341 SGD
As of November 6, 2026
Save $1,160 SGD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,880 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 3.09ct lab-grown emerald diamond

This 3.09ct lab-grown emerald sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445045493 or 445045493. Listed at 10 retailers as of November 6, 2026, with a 340% 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

3.09
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445045493
Dimensions9.75 × 6.97 × 4.63 mm
L/W Ratio1.40
Culet sizeLarge
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD). Type IIa
Top View
9.75 mm6.97 mm3.09 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445045493
Side View
Table 65.0%Crown 28.1°Girdle: Slightly ThickPavilion 38.9°Culet: LargeDepth 66.4%

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: Nov 6
Current: $1,880 SGD|Low: $341 SGD|High: $1,893 SGD|Avg: $854 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 7$341 SGD
Retailer 8$383 SGD
Retailer 2$396 SGD
Retailer 4$423 SGD
Retailer 9$423 SGD
Retailer 5$628 SGD
Retailer 3$838 SGD
Retailer 6$1,299 SGD
Retailer 10$1,501 SGD
MOH London$1,880 SGD

14 data points across 10 retailers

10 retailers$341 SGD to $1,501 SGD

A
Cheapest Retailer
-
$341 SGD
A
Retailer 2
-
$383 SGD
View
Final sale: no returns
A
Retailer 3
-
$396 SGD
View
Retailer 4
-
$423 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$423 SGD
View
B+
Retailer 6
-
$628 SGD
View
A
Retailer 7
-
$838 SGD
View
A
Retailer 8
-
$1,299 SGD
View
A
Retailer 9
-
$1,501 SGD
View
Most Expensive
MOH London
LG445045493 · Oct 29
$1,880 SGD
£1,159 GBP
View
Price last confirmed 8 days ago
9 more retailers have this diamond
Prices start from $341 SGDSave up to $1,160 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
3.09ct Emerald
$341 SGD