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Emerald|Lab Grown|IGI

0.51ct H VS2 Emerald Lab Grown Diamond

ID • H/VS2 • IGI LG440012854

Shape and cutting style on the report: Emerald cut

Certificate IGI LG440012854

Diamond specifications and retailer prices

From $571 NZD
$321 USD
As of November 1, 2026
Save $1,701 NZD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,833 NZD at MOH London · As of November 3, 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 H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG440012854 or 440012854. Listed at 11 retailers as of October 31, 2026, with a 298% 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
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle18.4°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012854
Dimensions5.89 × 3.93 × 2.37 mm
L/W Ratio1.50
Culet sizeLong
Cert comments
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Top View
5.89 mm3.93 mm0.51 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG440012854
Side View
Table 68.5%Crown 18.4°Girdle: MED-STKPavilion 37.7°Culet: LNGDepth 60.3%

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: Nov 1
Current: $2,833 NZD|Low: $547 NZD|High: $2,867 NZD|Avg: $1,326 NZD|-1.0%
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
Retailer 15
November 2, 2026
Retailer 10$571 NZD
Retailer 11$640 NZD
Retailer 3$661 NZD
Retailer 12$707 NZD
Retailer 15$707 NZD
Retailer 6$944 NZD
Retailer 4$978 NZD
Retailer 13$1,148 NZD
Retailer 2$1,284 NZD
Retailer 5$1,367 NZD
Retailer 7$1,479 NZD
Retailer 8$2,072 NZD
Retailer 14$2,271 NZD
Retailer 9$2,763 NZD
MOH London$2,833 NZD

21 data points across 15 retailers

11 retailers$571 NZD to $2,271 NZD

B+
Cheapest Retailer
-
$571 NZD
$321 USD
B+
Retailer 2
-
$640 NZD
$360 USD
View
B+
Retailer 3
-
$661 NZD
$372 USD
View
B
Retailer 4
-
$707 NZD
$398 USD
View
Retailer 5
-
$707 NZD
$398 USD
View
Price last confirmed 9 days ago
B
Retailer 6
-
$1,148 NZD
$646 USD
View
B
Retailer 7
-
$1,284 NZD
€688 EUR
View
B
Retailer 8
-
$2,072 NZD
$1,166 USD
View
B
Retailer 9
-
$2,271 NZD
$1,278 USD
View
Retailer 10
-
$2,763 NZD
£1,224 GBP
View
Price under review
Most Expensive
MOH London
LG440012854 · Nov 3
$2,833 NZD
£1,255 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $571 NZDSave up to $1,701 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.

B+
0.51ct Emerald
$571 NZD