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Emerald|Lab Grown|IGI

0.51ct E VS1 Emerald Lab Grown Diamond

ID • E/VS1 • IGI LG526283819

Shape and cutting style on the report: Emerald cut

Certificate IGI LG526283819

Diamond specifications and retailer prices

From $124 USD
As of October 27, 2026
Save $828 USD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,294 USD 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG526283819 or 526283819. Listed at 17 retailers as of October 27, 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. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle24.1°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526283819
Dimensions5.40 × 3.95 × 2.42 mm
L/W Ratio1.37
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
5.40 mm3.95 mm0.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG526283819
Side View
Table 67.5%Crown 24.1°Girdle: MED-STKPavilion 33°Culet: LNGDepth 61.3%

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: Oct 27
Current: $1,294 USD|Low: $119 USD|High: $1,303 USD|Avg: $364 USD|-0.6%
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
Retailer 14
October 29, 2026
Retailer 9$124 USD
Retailer 6$139 USD
Retailer 4$144 USD
Retailer 3$164 USD
Retailer 11$164 USD
Retailer 7$279 USD
Retailer 13$297 USD
Retailer 10$300 USD
Retailer 2$320 USD
Retailer 5$382 USD
Retailer 14$496 USD
Retailer 8$524 USD
Retailer 12$808 USD
MOH London$1,294 USD

44 data points across 14 retailers

17 retailers$124 USD to $952 USD

A
Cheapest Retailer
-
$124 USD
A
Retailer 2
-
$139 USD
View
Final sale: no returns
A
Retailer 3
-
$144 USD
View
A
Retailer 4
-
$164 USD
View
A
Retailer 5
-
$164 USD
View
B+
Retailer 6
-
$279 USD
ZAR 4,502 ZAR
View
B+
Retailer 7
-
$297 USD
View
B+
Retailer 8
-
$300 USD
View
B+
Retailer 9
-
$320 USD
£252 GBP
View
B+
Retailer 10
-
$346 USD
HK$2,700 HKD
View
B
Retailer 11
-
$382 USD
View
B
Retailer 12
-
$496 USD
View
B
Retailer 13
-
$524 USD
View
B
Retailer 14
-
$552 USD
View
B
Retailer 15
-
$808 USD
£636 GBP
View
B
Retailer 16
-
$952 USD
View
Most Expensive
B
MOH London
LG526283819 · Oct 29
$1,294 USD
£1,019 GBP
View
Price under review
16 more retailers have this diamond
Prices start from $124 USDSave up to $828 USD

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
$124 USD