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Emerald|Lab Grown|IGI

0.51ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG530293054

Shape and cutting style on the report: Emerald cut

Certificate IGI LG530293054

Diamond specifications and retailer prices

From €110 EUR
As of November 6, 2026
Save €355 EUR (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,153 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown emerald diamond

This 0.51ct 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 LG530293054 or 530293054. Listed at 13 retailers as of November 4, 2026, with a 322% 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

0.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle23.6°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530293054
Dimensions5.03 × 3.88 × 2.44 mm
L/W Ratio1.30
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
5.03 mm3.88 mm0.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG530293054
Side View
Table 68.5%Crown 23.6°Girdle: THK-VTKPavilion 35.2°Culet: LargeDepth 62.9%

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 6
Current: €1,153 EUR|Low: €106 EUR|High: €1,160 EUR|Avg: €310 EUR|-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
November 6, 2026
Retailer 7€110 EUR
Retailer 4€124 EUR
Retailer 12€128 EUR
Retailer 8€146 EUR
Retailer 11€146 EUR
Retailer 9€263 EUR
Retailer 2€282 EUR
Retailer 5€285 EUR
Retailer 3€340 EUR
Retailer 10€441 EUR
Retailer 6€466 EUR
MOH London€1,153 EUR

46 data points across 12 retailers

13 retailers€110 EUR to €466 EUR

A
Cheapest Retailer
-
€110 EUR
A
Retailer 2
-
€124 EUR
View
Final sale: no returns
A
Retailer 3
-
€128 EUR
View
Retailer 4
-
€146 EUR
View
Price last confirmed 12 days ago
A
Retailer 5
-
€146 EUR
View
B+
Retailer 6
-
€263 EUR
View
B
Retailer 7
-
€282 EUR
View
B
Retailer 8
-
€285 EUR
View
B+
Retailer 9
-
€296 EUR
View
B
Retailer 10
-
€340 EUR
View
B
Retailer 11
-
€441 EUR
View
B
Retailer 12
-
€466 EUR
View
Most Expensive
MOH London
LG530293054 · Oct 29
€1,153 EUR
£1,019 GBP
View
Price under review
12 more retailers have this diamond
Prices start from €110 EURSave up to €355 EUR

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
0.51ct Emerald
€110 EUR