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Emerald|Lab Grown|IGI

3.51ct H VS2 Emerald Lab Grown Diamond

ID • H/VS2 • IGI LG846628529

Shape and cutting style on the report: Emerald cut

Certificate IGI LG846628529

Diamond specifications and retailer prices

From £497 GBP
$662 USD
As of October 26, 2026
Save £236 GBP (32%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,238 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 3.51ct lab-grown emerald diamond

This 3.51ct lab-grown emerald sits in the three to five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846628529 or 846628529. Listed at 5 retailers as of October 26, 2026, with a 47% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.51
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846628529
Dimensions10.88 × 7.05 × 4.43 mm
L/W Ratio1.54
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.88 mm7.05 mm3.51 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846628529
Side View
Table 67.0%Crown 33.1°Girdle: Slightly ThickPavilion 36.4°Culet: LargeDepth 62.8%

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 26
Current: £1,238 GBP|Low: £497 GBP|High: £1,238 GBP|Avg: £779 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 21, 2026
Retailer 4£497 GBP
Retailer 3£617 GBP
Retailer 2£733 GBP
Retailer 5£1,021 GBP
MOH London£1,238 GBP

4 data points across 5 retailers

5 retailers£497 GBP to £733 GBP

B+
Cheapest Retailer
-
£497 GBP
$662 USD
Retailer 2
-
£617 GBP
$821 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£733 GBP
$976 USD
View
Retailer 4
-
£1,021 GBP
$1,360 USD
View
Price last confirmed 12 days ago
Most Expensive
MOH London
LG846628529 · Oct 21
£1,238 GBP
View
Price last confirmed 9 days ago
4 more retailers have this diamond
Prices start from £497 GBPSave up to £236 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
3.51ct Emerald
£497 GBP