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Emerald|Lab Grown|IGI

0.51ct G VVS2 Emerald Lab Grown Diamond

EX • G/VVS2 • IGI LG844647120

Shape and cutting style on the report: Emerald cut

Certificate IGI LG844647120

Diamond specifications and retailer prices

From $137 NZD
$77 USD
As of November 1, 2026
Save $1,102 NZD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,239 NZD at MOH London · As of November 2, 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 top-tier cut grade and certified by IGI LG844647120 or 844647120. Listed at 16 retailers as of November 1, 2026, with prices from $137 to $1,239, a $1,102 spread on the same certified stone. MOH London lists it at $1,239. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.3°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844647120
Dimensions5.45 × 3.84 × 2.49 mm
L/W Ratio1.42
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
5.45 mm3.84 mm0.51 ctG / VVS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG844647120
Side View
Table 73.0%Crown 33.3°Girdle: ThickPavilion 42.2°Culet: LargeDepth 64.8%

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: Nov 1
Current: $1,239 NZD|Low: $137 NZD|High: $1,246 NZD|Avg: $465 NZD|-0.2%
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
Retailer 16
November 3, 2026
Retailer 14$137 NZD
Retailer 7$158 NZD
Retailer 3$180 NZD
Retailer 4$180 NZD
Retailer 12$284 NZD
Retailer 2$287 NZD
Retailer 10$306 NZD
Retailer 11$353 NZD
Retailer 16$375 NZD
Retailer 9$377 NZD
Retailer 13$407 NZD
Retailer 5$542 NZD
Retailer 8$650 NZD
Retailer 6$718 NZD
Retailer 15$894 NZD
MOH London$1,239 NZD

11 data points across 16 retailers

16 retailers$137 NZD to $1,239 NZD

A
Cheapest Retailer
-
$137 NZD
$77 USD
A
Retailer 2
-
$158 NZD
$89 USD
View
Retailer 3
-
$180 NZD
$101 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$180 NZD
$101 USD
View
A
Retailer 5
-
$284 NZD
$160 USD
View
A
Retailer 6
-
$287 NZD
£127 GBP
View
A
Retailer 7
-
$306 NZD
ZAR 2,784 ZAR
View
A
Retailer 8
-
$353 NZD
€189 EUR
View
A
Retailer 9
-
$375 NZD
$211 USD
View
A
Retailer 10
-
$377 NZD
$212 USD
View
A
Retailer 11
-
$407 NZD
£180 GBP
View
B+
Retailer 12
-
$542 NZD
$305 USD
View
B
Retailer 13
-
$650 NZD
$366 USD
View
B
Retailer 14
-
$718 NZD
$404 USD
View
B
Retailer 15
-
$894 NZD
£396 GBP
View
Most Expensive
B
MOH London
LG844647120 · Nov 2
$1,239 NZD
£549 GBP
View
15 more retailers have this diamond
Prices start from $137 NZDSave up to $1,102 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
$137 NZD