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Emerald|Lab Grown|IGI

0.51ct G VVS2 Emerald Lab Grown Diamond

VG • G/VVS2 • IGI LG840664508

Shape and cutting style on the report: Emerald cut

Certificate IGI LG840664508

Diamond specifications and retailer prices

From $293 NZD
$165 USD
As of October 28, 2026
Save $515 NZD (64%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,248 NZD at MOH London · As of October 25, 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 VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG840664508 or 840664508. Listed at 10 retailers as of October 28, 2026, with a 176% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
G
Colour
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.7°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840664508
Dimensions5.65 × 3.79 × 2.31 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.65 mm3.79 mm0.51 ctG / VVS2
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG840664508
Side View
Table 73.0%Crown 42.7°Girdle: MediumPavilion 35.2°Culet: LargeDepth 60.9%

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 28
Current: $2,248 NZD|Low: $293 NZD|High: $2,271 NZD|Avg: $716 NZD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7$293 NZD
Retailer 10$318 NZD
Retailer 9$472 NZD
Retailer 6$478 NZD
Retailer 3$515 NZD
Retailer 8$521 NZD
Retailer 5$553 NZD
Retailer 2$654 NZD
Retailer 4$809 NZD
MOH London$2,248 NZD

28 data points across 10 retailers

10 retailers$293 NZD to $809 NZD

A
Cheapest Retailer
-
$293 NZD
$165 USD
A
Retailer 2
-
$318 NZD
HK$1,400 HKD
View
B+
Retailer 3
-
$472 NZD
€253 EUR
View
Retailer 4
-
$478 NZD
ZAR 4,348 ZAR
View
Price last confirmed 11 days ago
B+
Retailer 5
-
$515 NZD
$290 USD
View
Retailer 6
-
$521 NZD
$293 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$553 NZD
£245 GBP
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$654 NZD
$368 USD
View
B
Retailer 9
-
$809 NZD
$455 USD
View
Most Expensive
MOH London
LG840664508 · Oct 25
$2,248 NZD
£996 GBP
View
Price under review
9 more retailers have this diamond
Prices start from $293 NZDSave up to $515 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
$293 NZD