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Emerald|Lab Grown|IGI

0.50ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG533297790

Shape and cutting style on the report: Emerald cut

Certificate IGI LG533297790

Diamond specifications and retailer prices

From $123 USD
As of October 29, 2026
Save $421 USD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,275 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.5ct lab-grown emerald diamond

This 0.5ct lab-grown emerald sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG533297790 or 533297790. Listed at 13 retailers as of October 26, 2026, with a 342% 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

0.50
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle24.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG533297790
Dimensions5.58 × 3.58 × 2.41 mm
L/W Ratio1.56
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
5.58 mm3.58 mm0.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG533297790
Side View
Table 66.5%Crown 24.4°Girdle: STK-VTKPavilion 40.6°Culet: LNGDepth 67.3%

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 29
Current: $1,275 USD|Low: $97 USD|High: $1,284 USD|Avg: $344 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6$123 USD
Retailer 4$137 USD
Retailer 12$142 USD
Retailer 8$162 USD
Retailer 11$162 USD
Retailer 9$293 USD
Retailer 2$314 USD
Retailer 7$360 USD
Retailer 3$379 USD
Retailer 10$488 USD
Retailer 5$544 USD
MOH London$1,275 USD

44 data points across 12 retailers

13 retailers$123 USD to $544 USD

A
Cheapest Retailer
-
$123 USD
A
Retailer 2
-
$137 USD
View
Final sale: no returns
A
Retailer 3
-
$142 USD
View
A
Retailer 4
-
$162 USD
View
A
Retailer 5
-
$162 USD
View
B+
Retailer 6
-
$293 USD
View
B
Retailer 7
-
$307 USD
HK$2,400 HKD
View
B
Retailer 8
-
$314 USD
£247 GBP
View
B
Retailer 9
-
$360 USD
View
B
Retailer 10
-
$379 USD
View
B
Retailer 11
-
$488 USD
View
B
Retailer 12
-
$544 USD
View
Most Expensive
MOH London
LG533297790 · Oct 29
$1,275 USD
£1,004 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $123 USDSave up to $421 USD

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
0.50ct Emerald
$123 USD