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Emerald|Lab Grown|IGI

1.51ct I VS1 Emerald Lab Grown Diamond

GD • I/VS1 • IGI LG620416770

Shape and cutting style on the report: Emerald cut

Certificate IGI LG620416770

Diamond specifications and retailer prices

From £256 GBP
$344 USD
As of November 1, 2026
Save £565 GBP (69%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £821 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG620416770 or 620416770. Listed at 6 retailers as of November 1, 2026, with prices from £256 to £821, a £565 spread on the same certified stone. MOH London lists it at £821. 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

1.51
Carat
I
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620416770
Dimensions7.52 × 5.56 × 3.77 mm
L/W Ratio1.35
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.52 mm5.56 mm1.51 ctI / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620416770
Side View
Table 68.0%Crown 38.3°Girdle: Slightly ThickPavilion 42°Culet: LNGDepth 67.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £821 GBP|Low: £256 GBP|High: £831 GBP|Avg: £516 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5£256 GBP
Retailer 3£323 GBP
Retailer 4£377 GBP
Retailer 2£510 GBP
Retailer 7£578 GBP
Retailer 6£787 GBP
MOH London£821 GBP

13 data points across 7 retailers

6 retailers£256 GBP to £821 GBP

B+
Cheapest Retailer
-
£256 GBP
$344 USD
B
Retailer 2
-
£323 GBP
$433 USD
View
B+
Retailer 3
-
£377 GBP
$506 USD
View
B
Retailer 4
-
£510 GBP
$685 USD
View
C
Retailer 5
-
£787 GBP
$1,056 USD
View
Most Expensive
B
MOH London
LG620416770 · Nov 2
£821 GBP
View
5 more retailers have this diamond
Prices start from £256 GBPSave up to £565 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.

B+
1.51ct Emerald
£256 GBP