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Emerald|Lab Grown|IGI

0.51ct G SI2 Emerald Lab Grown Diamond

ID • G/SI2 • IGI LG542231849

Shape and cutting style on the report: Emerald cut

Certificate IGI LG542231849

Diamond specifications and retailer prices

From $159 SGD
$124 USD
As of November 1, 2026
Save $511 SGD (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,646 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct lab-grown emerald diamond

This 0.51ct lab-grown emerald sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG542231849 or 542231849. Listed at 12 retailers as of October 31, 2026, with a 323% 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

0.51
Carat
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.2°
Pavilion angle45.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542231849
Dimensions5.19 × 3.81 × 2.70 mm
L/W Ratio1.36
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.19 mm3.81 mm0.51 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542231849
Side View
Table 58.5%Crown 30.2°Girdle: MED-STKPavilion 45.4°Culet: LNGDepth 70.9%

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: Nov 1
Current: $1,646 SGD|Low: $152 SGD|High: $1,666 SGD|Avg: $532 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 8$159 SGD
Retailer 3$178 SGD
Retailer 13$184 SGD
Retailer 9$210 SGD
Retailer 12$210 SGD
Retailer 2$320 SGD
Retailer 10$380 SGD
Retailer 4$475 SGD
Retailer 14$488 SGD
Retailer 11$634 SGD
Retailer 5$663 SGD
Retailer 7$670 SGD
Retailer 6$1,121 SGD
MOH London$1,646 SGD

22 data points across 14 retailers

12 retailers$159 SGD to $670 SGD

A
Cheapest Retailer
-
$159 SGD
$124 USD
A
Retailer 2
-
$178 SGD
$139 USD
View
Final sale: no returns
A
Retailer 3
-
$184 SGD
$144 USD
View
A
Retailer 4
-
$210 SGD
$164 USD
View
Retailer 5
-
$210 SGD
$164 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$320 SGD
$250 USD
View
B
Retailer 7
-
$380 SGD
$297 USD
View
B
Retailer 8
-
$475 SGD
HK$2,900 HKD
View
B
Retailer 9
-
$488 SGD
$382 USD
View
B
Retailer 10
-
$634 SGD
$496 USD
View
B
Retailer 11
-
$670 SGD
$524 USD
View
Most Expensive
MOH London
LG542231849 · Nov 1
$1,646 SGD
£1,014 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $159 SGDSave up to $511 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
0.51ct Emerald
$159 SGD