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Emerald|Lab Grown|IGI

0.51ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG538286856

Shape and cutting style on the report: Emerald cut

Certificate IGI LG538286856

Diamond specifications and retailer prices

From €111 EUR
$124 USD
As of October 29, 2026
Save €741 EUR (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,154 EUR at MOH London · As of October 26, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG538286856 or 538286856. Listed at 15 retailers as of October 29, 2026, with a 668% 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle29.3°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538286856
Dimensions5.59 × 3.74 × 2.44 mm
L/W Ratio1.49
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.59 mm3.74 mm0.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG538286856
Side View
Table 63.5%Crown 29.3°Girdle: ThickPavilion 33.5°Culet: LNGDepth 65.2%

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: €1,154 EUR|Low: €88 EUR|High: €1,166 EUR|Avg: €318 EUR|+0.1%
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 1, 2026
Retailer 7€111 EUR
Retailer 4€124 EUR
Retailer 12€129 EUR
Retailer 8€147 EUR
Retailer 11€147 EUR
Retailer 5€260 EUR
Retailer 9€266 EUR
Retailer 2€287 EUR
Retailer 3€342 EUR
Retailer 10€444 EUR
Retailer 6€469 EUR
MOH London€1,154 EUR

44 data points across 12 retailers

15 retailers€111 EUR to €852 EUR

A
Cheapest Retailer
-
€111 EUR
$124 USD
A
Retailer 2
-
€124 EUR
$139 USD
View
Final sale: no returns
A
Retailer 3
-
€129 EUR
$144 USD
View
A
Retailer 4
-
€147 EUR
$164 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€147 EUR
$164 USD
View
B+
Retailer 6
-
€260 EUR
$290 USD
View
B+
Retailer 7
-
€266 EUR
$297 USD
View
B+
Retailer 8
-
€275 EUR
HK$2,400 HKD
View
B
Retailer 9
-
€287 EUR
£253 GBP
View
B
Retailer 10
-
€342 EUR
$382 USD
View
B
Retailer 11
-
€444 EUR
$496 USD
View
B
Retailer 12
-
€469 EUR
$524 USD
View
B
Retailer 13
-
€495 EUR
$552 USD
View
B
Retailer 14
-
€852 EUR
$952 USD
View
Most Expensive
MOH London
LG538286856 · Oct 26
€1,154 EUR
£1,015 GBP
View
Price under review
14 more retailers have this diamond
Prices start from €111 EURSave up to €741 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
€111 EUR