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Emerald|Lab Grown|IGI

0.50ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG823699403

Shape and cutting style on the report: Emerald cut

Certificate IGI LG823699403

Diamond specifications and retailer prices

From $151 NZD
$85 USD
As of October 29, 2026
Save $1,226 NZD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,377 NZD 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 LG823699403 or 823699403. Listed at 13 retailers as of October 29, 2026, with prices from $151 to $1,377, a $1,226 spread on the same certified stone. MOH London lists it at $1,377. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823699403
Dimensions5.40 × 3.89 × 2.61 mm
L/W Ratio1.39
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.40 mm3.89 mm0.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG823699403
Side View
Table 62.0%Crown 34.1°Girdle: MED-STKPavilion 42.2°Culet: LargeDepth 67.1%

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: $1,377 NZD|Low: $151 NZD|High: $1,386 NZD|Avg: $521 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 6$151 NZD
Retailer 7$167 NZD
Retailer 8$199 NZD
Retailer 2$336 NZD
Retailer 9$401 NZD
Retailer 3$444 NZD
Retailer 4$450 NZD
Retailer 5$667 NZD
MOH London$1,377 NZD

41 data points across 9 retailers

13 retailers$151 NZD to $1,377 NZD

A
Cheapest Retailer
-
$151 NZD
$85 USD
A
Retailer 2
-
$167 NZD
$94 USD
View
Final sale: no returns
A
Retailer 3
-
$174 NZD
$98 USD
View
A
Retailer 4
-
$199 NZD
$112 USD
View
A
Retailer 5
-
$199 NZD
$112 USD
View
B+
Retailer 6
-
$336 NZD
£149 GBP
View
B+
Retailer 7
-
$401 NZD
$226 USD
View
B+
Retailer 8
-
$444 NZD
$250 USD
View
B+
Retailer 9
-
$450 NZD
£200 GBP
View
B
Retailer 10
-
$598 NZD
$337 USD
View
B
Retailer 11
-
$667 NZD
$376 USD
View
B
Retailer 12
-
$705 NZD
$397 USD
View
Most Expensive
B
MOH London
LG823699403 · Oct 29
$1,377 NZD
£611 GBP
View
12 more retailers have this diamond
Prices start from $151 NZDSave up to $1,226 NZD

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
$151 NZD