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 $197 NZD
$111 USD
As of October 29, 2026
Save $1,101 NZD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,046 NZD 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 18 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
Colour
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 29
Current: $2,046 NZD|Low: $197 NZD|High: $2,395 NZD|Avg: $711 NZD|-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 29, 2026
Retailer 14$197 NZD
Retailer 13$218 NZD
Retailer 10$261 NZD
Retailer 12$261 NZD
Retailer 6$408 NZD
Retailer 7$489 NZD
Retailer 2$576 NZD
Retailer 8$591 NZD
Retailer 9$623 NZD
Retailer 3$786 NZD
Retailer 11$877 NZD
Retailer 5$889 NZD
Retailer 4$1,298 NZD
MOH London$2,046 NZD

41 data points across 14 retailers

18 retailers$197 NZD to $1,298 NZD

A
Cheapest Retailer
-
$197 NZD
$111 USD
A
Retailer 2
-
$197 NZD
$111 USD
View
A
Retailer 3
-
$218 NZD
$123 USD
View
Final sale: no returns
Retailer 4
-
$229 NZD
$129 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$261 NZD
$147 USD
View
A
Retailer 6
-
$261 NZD
$147 USD
View
Retailer 7
-
$266 NZD
$150 USD
View
Price last confirmed 37 days ago
Retailer 8
-
$280 NZD
$158 USD
View
Price last confirmed 37 days ago
A
Retailer 9
-
$408 NZD
$230 USD
View
B+
Retailer 10
-
$489 NZD
£217 GBP
View
B+
Retailer 11
-
$576 NZD
€309 EUR
View
B+
Retailer 12
-
$591 NZD
£262 GBP
View
B+
Retailer 13
-
$623 NZD
A$540 AUD
View
B
Retailer 14
-
$786 NZD
$443 USD
View
B
Retailer 15
-
$877 NZD
$494 USD
View
B
Retailer 16
-
$889 NZD
$501 USD
View
B
Retailer 17
-
$1,298 NZD
£576 GBP
View
Most Expensive
MOH London
LG825675428 · Oct 26
$2,046 NZD
£908 GBP
View
Price under review
17 more retailers have this diamond
Prices start from $197 NZDSave up to $1,101 NZD

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
$197 NZD