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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 £57 GBP
$77 USD
As of October 29, 2026
Save £466 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £523 GBP at MOH London · As of October 29, 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 October 29, 2026, with prices from £57 to £523, a £466 spread on the same certified stone. MOH London lists it at £523. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £523 GBP|Low: £57 GBP|High: £523 GBP|Avg: £198 GBP|+0.4%
MOH London
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
November 1, 2026
Retailer 13£57 GBP
Retailer 7£66 GBP
Retailer 3£75 GBP
Retailer 4£75 GBP
Retailer 11£119 GBP
Retailer 9£122 GBP
Retailer 2£129 GBP
Retailer 10£148 GBP
Retailer 16£157 GBP
Retailer 12£171 GBP
Retailer 5£228 GBP
Retailer 14£254 GBP
Retailer 8£273 GBP
Retailer 6£302 GBP
Retailer 15£375 GBP
MOH London£523 GBP

9 data points across 16 retailers

16 retailers£57 GBP to £523 GBP

A
Cheapest Retailer
-
£57 GBP
$77 USD
A
Retailer 2
-
£66 GBP
$89 USD
View
A
Retailer 3
-
£75 GBP
$101 USD
View
A
Retailer 4
-
£75 GBP
$101 USD
View
A
Retailer 5
-
£119 GBP
$160 USD
View
A
Retailer 6
-
£122 GBP
View
A
Retailer 7
-
£129 GBP
ZAR 2,784 ZAR
View
A
Retailer 8
-
£148 GBP
€189 EUR
View
A
Retailer 9
-
£157 GBP
$211 USD
View
A
Retailer 10
-
£171 GBP
View
B+
Retailer 11
-
£228 GBP
$305 USD
View
B
Retailer 12
-
£254 GBP
$340 USD
View
B
Retailer 13
-
£273 GBP
$366 USD
View
B
Retailer 14
-
£302 GBP
$404 USD
View
B
Retailer 15
-
£375 GBP
View
Most Expensive
B
MOH London
LG844647120 · Oct 29
£523 GBP
View
15 more retailers have this diamond
Prices start from £57 GBPSave up to £466 GBP

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
£57 GBP