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Emerald|Lab Grown|IGI

0.51ct D VS1 Emerald Lab Grown Diamond

ID • D/VS1 • IGI LG825675428

Shape and cutting style on the report: Emerald cut

Certificate IGI LG825675428

Diamond specifications and retailer prices

From $111 USD
As of October 27, 2026
Save $621 USD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,153 USD 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825675428 or 825675428. Listed at 17 retailers as of October 27, 2026, with a 559% 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
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825675428
Dimensions5.77 × 3.71 × 2.36 mm
L/W Ratio1.56
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.77 mm3.71 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825675428
Side View
Table 68.0%Crown 31.4°Girdle: Slightly ThickPavilion 42°Culet: LargeDepth 63.6%

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: $1,153 USD|Low: $111 USD|High: $1,350 USD|Avg: $399 USD|-13.6%
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 28, 2026
Retailer 14$111 USD
Retailer 13$123 USD
Retailer 10$147 USD
Retailer 12$147 USD
Retailer 6$230 USD
Retailer 2$276 USD
Retailer 9$323 USD
Retailer 7$333 USD
Retailer 8$351 USD
Retailer 3$443 USD
Retailer 11$494 USD
Retailer 5$501 USD
Retailer 4$732 USD
MOH London$1,153 USD

42 data points across 14 retailers

17 retailers$111 USD to $732 USD

A
Cheapest Retailer
-
$111 USD
Returns within 21 days
A
Retailer 2
-
$123 USD
View
Final sale: no returns
A
Retailer 3
-
$129 USD
View
Price last confirmed 35 days ago
Returns within 21 days
A
Retailer 4
-
$147 USD
View
Returns within 30 days
A
Retailer 5
-
$147 USD
View
Returns within 30 days
A
Retailer 6
-
$150 USD
View
Price last confirmed 35 days ago
A
Retailer 7
-
$158 USD
View
Price last confirmed 36 days ago
Returns within 30 days
A
Retailer 8
-
$230 USD
View
Returns within 30 days
B+
Retailer 9
-
$276 USD
£217 GBP
View
Returns within 30 days
B+
Retailer 10
-
$323 USD
€308 EUR
View
Returns within 100 days
B+
Retailer 11
-
$333 USD
£262 GBP
View
Returns within 30 days
B+
Retailer 12
-
$351 USD
A$540 AUD
View
B
Retailer 13
-
$443 USD
View
Returns within 30 days
B
Retailer 14
-
$494 USD
View
Returns within 30 days
B
Retailer 15
-
$501 USD
View
Returns within 90 days
B
Retailer 16
-
$732 USD
£576 GBP
View
Returns within 30 days
Most Expensive
B
MOH London
LG825675428 · Oct 26
$1,153 USD
£908 GBP
View
Price under review
16 more retailers have this diamond
Prices start from $111 USDSave up to $621 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
$111 USD