CaratHunter
Plans
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 £130 GBP
As of November 4, 2026
Save £153 GBP (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £944 GBP 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £944 GBP|Low: £130 GBP|High: £958 GBP|Avg: £350 GBP|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3£130 GBP
Retailer 4£204 GBP
Retailer 6£218 GBP
Retailer 2£233 GBP
Retailer 5£282 GBP
Retailer 7£283 GBP
Retailer 8£470 GBP
MOH London£944 GBP

44 data points across 8 retailers

8 retailers£130 GBP to £283 GBP

A
Cheapest Retailer
-
£130 GBP
A
Retailer 2
-
£133 GBP
View
Retailer 3
-
£204 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£218 GBP
View
B
Retailer 5
-
£233 GBP
View
B
Retailer 6
-
£282 GBP
View
B
Retailer 7
-
£283 GBP
View
Most Expensive
MOH London
LG644445230 · Nov 5
£944 GBP
View
Price under review
7 more retailers have this diamond
Prices start from £130 GBPSave up to £153 GBP

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
£130 GBP