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Emerald|Lab Grown|IGI

0.51ct E VS1 Emerald Lab Grown Diamond

ID • E/VS1 • IGI LG784608334

Shape and cutting style on the report: Emerald cut

Certificate IGI LG784608334

Diamond specifications and retailer prices

From £83 GBP
$111 USD
As of October 29, 2026
Save £603 GBP (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £953 GBP 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG784608334 or 784608334. Listed at 18 retailers as of October 28, 2026, with a 723% 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
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.2°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784608334
Dimensions5.45 × 3.70 × 2.45 mm
L/W Ratio1.47
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
Top View
5.45 mm3.70 mm0.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG784608334
Side View
Table 70.0%Crown 33.2°Girdle: ThickPavilion 38.3°Culet: LargeDepth 66.2%

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: £953 GBP|Low: £92 GBP|High: £997 GBP|Avg: £394 GBP|-4.4%
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
October 29, 2026
Retailer 11£92 GBP
Retailer 7£97 GBP
Retailer 3£154 GBP
Retailer 9£158 GBP
Retailer 6£206 GBP
Retailer 2£235 GBP
Retailer 12£276 GBP
Retailer 8£276 GBP
Retailer 4£498 GBP
Retailer 5£595 GBP
Retailer 13£686 GBP
Retailer 10£931 GBP
MOH London£953 GBP

40 data points across 13 retailers

18 retailers£83 GBP to £686 GBP

A
Cheapest Retailer
-
£83 GBP
$111 USD
A
Retailer 2
-
£92 GBP
$123 USD
View
Final sale: no returns
A
Retailer 3
-
£97 GBP
$129 USD
View
A
Retailer 4
-
£110 GBP
$146 USD
View
A
Retailer 5
-
£110 GBP
$146 USD
View
A
Retailer 6
-
£154 GBP
$205 USD
View
A
Retailer 7
-
£158 GBP
$210 USD
View
B+
Retailer 8
-
£206 GBP
ZAR 4,429 ZAR
View
B+
Retailer 9
-
£235 GBP
View
Retailer 10
-
£255 GBP
$339 USD
View
Price last confirmed 15 days ago
B+
Retailer 11
-
£276 GBP
$367 USD
View
B
Retailer 12
-
£276 GBP
$368 USD
View
B
Retailer 13
-
£366 GBP
$488 USD
View
B
Retailer 14
-
£498 GBP
$663 USD
View
B
Retailer 15
-
£595 GBP
View
B
Retailer 16
-
£686 GBP
$914 USD
View
Retailer 17
-
£931 GBP
$1,240 USD
View
Price under review
Most Expensive
MOH London
LG784608334 · Oct 26
£953 GBP
View
Price under review
17 more retailers have this diamond
Prices start from £83 GBPSave up to £603 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
£83 GBP