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Emerald|Lab Grown|IGI

0.50ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG539229259

Shape and cutting style on the report: Emerald cut

Certificate IGI LG539229259

Diamond specifications and retailer prices

From $123 USD
As of October 29, 2026
Save $1,152 USD (90%) vs most expensive(unlock to see where)
14 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG539229259 or 539229259. Listed at 14 retailers as of October 29, 2026, with prices from $123 to $1,275, a $1,152 spread on the same certified stone. MOH London lists it at $1,275. 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
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle21.8°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539229259
Dimensions5.39 × 3.80 × 2.43 mm
L/W Ratio1.42
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
5.39 mm3.80 mm0.50 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539229259
Side View
Table 70.0%Crown 21.8°Girdle: STK-THKPavilion 37.6°Culet: LNGDepth 63.9%

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: Oct 29
Current: $1,275 USD|Low: $118 USD|High: $1,662 USD|Avg: $496 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 9$123 USD
Retailer 3$137 USD
Retailer 15$142 USD
Retailer 11$162 USD
Retailer 14$162 USD
Retailer 12$293 USD
Retailer 8$294 USD
Retailer 4$323 USD
Retailer 10$350 USD
Retailer 16$379 USD
Retailer 13$488 USD
Retailer 2$544 USD
Retailer 6$545 USD
Retailer 5$946 USD
MOH London$1,275 USD
Retailer 7$1,662 USD

18 data points across 16 retailers

14 retailers$123 USD to $1,275 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
-
$294 USD
HK$2,300 HKD
View
B+
Retailer 8
-
$350 USD
View
B+
Retailer 9
-
$379 USD
View
B
Retailer 10
-
$488 USD
View
B
Retailer 11
-
$544 USD
View
B
Retailer 12
-
$545 USD
View
B
Retailer 13
-
$946 USD
View
Most Expensive
B
MOH London
LG539229259 · Oct 29
$1,275 USD
£1,004 GBP
View
13 more retailers have this diamond
Prices start from $123 USDSave up to $1,152 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