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Emerald|Lab Grown|IGI

0.50ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG754559188

Shape and cutting style on the report: Emerald cut

Certificate IGI LG754559188

Diamond specifications and retailer prices

From $184 AUD
$129 USD
As of October 29, 2026
Save $548 AUD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,911 AUD 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG754559188 or 754559188. Listed at 8 retailers as of October 28, 2026, with a 298% 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle42.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754559188
Dimensions5.39 × 3.88 × 2.56 mm
L/W Ratio1.39
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.39 mm3.88 mm0.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754559188
Side View
Table 66.0%Crown 32.4°Girdle: MediumPavilion 42.4°Culet: LargeDepth 66.0%

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: $1,911 AUD|Low: $184 AUD|High: $1,911 AUD|Avg: $542 AUD|+40.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6$184 AUD
Retailer 4$214 AUD
Retailer 7$228 AUD
Retailer 2$385 AUD
Retailer 3$414 AUD
Retailer 8$433 AUD
Retailer 5$732 AUD
MOH London$1,911 AUD

45 data points across 8 retailers

8 retailers$184 AUD to $732 AUD

A
Cheapest Retailer
-
$184 AUD
$129 USD
A
Retailer 2
-
$214 AUD
$150 USD
View
A
Retailer 3
-
$228 AUD
$160 USD
View
B+
Retailer 4
-
$385 AUD
£213 GBP
View
B+
Retailer 5
-
$414 AUD
€277 EUR
View
B+
Retailer 6
-
$433 AUD
$304 USD
View
B
Retailer 7
-
$732 AUD
$514 USD
View
Most Expensive
MOH London
LG754559188 · Oct 29
$1,911 AUD
£1,057 GBP
View
Price under review
7 more retailers have this diamond
Prices start from $184 AUDSave up to $548 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.

A
0.50ct Emerald
$184 AUD