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Emerald|Lab Grown|IGI

0.52ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG644445230

Shape and cutting style on the report: Emerald cut

Certificate IGI LG644445230

Diamond specifications and retailer prices

From $311 NZD
As of November 4, 2026
Save $366 NZD (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,259 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 0.52ct lab-grown emerald diamond

This 0.52ct lab-grown emerald sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG644445230 or 644445230. Listed at 8 retailers as of November 4, 2026, with a 118% 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

0.52
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle32.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644445230
Dimensions5.85 × 3.73 × 2.51 mm
L/W Ratio1.57
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
5.85 mm3.73 mm0.52 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG644445230
Side View
Table 66.0%Crown 32.8°Girdle: MED-VTKPavilion 40.8°Culet: LargeDepth 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: Nov 4
Current: $2,259 NZD|Low: $311 NZD|High: $2,293 NZD|Avg: $838 NZD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3$311 NZD
Retailer 4$489 NZD
Retailer 6$521 NZD
Retailer 2$557 NZD
Retailer 5$676 NZD
Retailer 7$678 NZD
Retailer 8$1,126 NZD
MOH London$2,259 NZD

44 data points across 8 retailers

8 retailers$311 NZD to $678 NZD

A
Cheapest Retailer
-
$311 NZD
A
Retailer 2
-
$318 NZD
View
Retailer 3
-
$489 NZD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$521 NZD
View
B
Retailer 5
-
$557 NZD
View
B
Retailer 6
-
$676 NZD
View
B
Retailer 7
-
$678 NZD
View
Most Expensive
MOH London
LG644445230 · Nov 5
$2,259 NZD
£1,000 GBP
View
Price under review
7 more retailers have this diamond
Prices start from $311 NZDSave up to $366 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
0.52ct Emerald
$311 NZD