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Emerald|Lab Grown|IGI

0.51ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG499189055

Shape and cutting style on the report: Emerald cut

Certificate IGI LG499189055

Diamond specifications and retailer prices

From €286 EUR
$320 USD
As of October 31, 2026
Save €450 EUR (61%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,590 EUR at MOH London · As of November 1, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG499189055 or 499189055. Listed at 15 retailers as of October 28, 2026, with a 157% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle22.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499189055
Dimensions5.65 × 3.69 × 2.48 mm
L/W Ratio1.53
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
5.65 mm3.69 mm0.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499189055
Side View
Table 65.0%Crown 22.9°Girdle: MediumPavilion 40.3°Culet: LNGDepth 67.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €1,590 EUR|Low: €286 EUR|High: €1,610 EUR|Avg: €669 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 10€286 EUR
Retailer 9€328 EUR
Retailer 5€367 EUR
Retailer 4€380 EUR
Retailer 3€407 EUR
Retailer 11€407 EUR
Retailer 12€650 EUR
Retailer 6€727 EUR
Retailer 2€735 EUR
Retailer 7€736 EUR
Retailer 8€1,194 EUR
Retailer 13€1,309 EUR
MOH London€1,590 EUR

45 data points across 13 retailers

15 retailers€286 EUR to €736 EUR

B+
Cheapest Retailer
-
€286 EUR
$320 USD
B+
Retailer 2
-
€328 EUR
$367 USD
View
B+
Retailer 3
-
€367 EUR
$410 USD
View
Final sale: no returns
B+
Retailer 4
-
€380 EUR
$425 USD
View
Retailer 5
-
€407 EUR
$455 USD
View
Price last confirmed 7 days ago
B
Retailer 6
-
€407 EUR
$455 USD
View
B
Retailer 7
-
€650 EUR
$726 USD
View
B
Retailer 8
-
€727 EUR
View
B
Retailer 9
-
€735 EUR
£646 GBP
View
B
Retailer 10
-
€736 EUR
ZAR 13,289 ZAR
View
Retailer 11
-
€1,194 EUR
$1,334 USD
View
Price under review
Retailer 12
-
€1,309 EUR
$1,462 USD
View
Price under review
Retailer 13
-
€1,441 EUR
$1,610 USD
View
Price under review
Retailer 14
-
€1,582 EUR
£1,392 GBP
View
Price under review
Most Expensive
MOH London
LG499189055 · Nov 1
€1,590 EUR
£1,399 GBP
View
Price under review
14 more retailers have this diamond
Prices start from €286 EURSave up to €450 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.

B+
0.51ct Emerald
€286 EUR