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Emerald|Lab Grown|IGI

1.21ct I VS1 Emerald Lab Grown Diamond

ID • I/VS1 • IGI LG653409926

Shape and cutting style on the report: Emerald cut

Certificate IGI LG653409926

Diamond specifications and retailer prices

From £225 GBP
$302 USD
As of November 1, 2026
Save £536 GBP (70%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £761 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.21ct lab-grown emerald diamond

This 1.21ct lab-grown emerald sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG653409926 or 653409926. Listed at 6 retailers as of November 1, 2026, with prices from £225 to £761, a £536 spread on the same certified stone. MOH London lists it at £761. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653409926
Dimensions7.56 × 4.90 × 3.24 mm
L/W Ratio1.54
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.56 mm4.90 mm1.21 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653409926
Side View
Table 67.0%Crown 40.1°Girdle: MED-STKPavilion 40.8°Culet: LNGDepth 66.1%

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: £761 GBP|Low: £225 GBP|High: £771 GBP|Avg: £450 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 5£225 GBP
Retailer 3£268 GBP
Retailer 4£334 GBP
Retailer 2£351 GBP
Retailer 7£554 GBP
Retailer 6£653 GBP
MOH London£761 GBP

14 data points across 7 retailers

6 retailers£225 GBP to £761 GBP

A
Cheapest Retailer
-
£225 GBP
$302 USD
B+
Retailer 2
-
£268 GBP
$359 USD
View
A
Retailer 3
-
£334 GBP
$448 USD
View
A
Retailer 4
-
£351 GBP
$470 USD
View
B
Retailer 5
-
£653 GBP
$875 USD
View
Most Expensive
B
MOH London
LG653409926 · Nov 1
£761 GBP
View
5 more retailers have this diamond
Prices start from £225 GBPSave up to £536 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
1.21ct Emerald
£225 GBP