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 $302 USD
As of October 29, 2026
Save $720 USD (70%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,022 USD at MOH London · As of October 26, 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 October 26, 2026, with prices from $302 to $1,022, a $720 spread on the same certified stone. MOH London lists it at $1,022. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,022 USD|Low: $302 USD|High: $1,033 USD|Avg: $603 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 25, 2026
Retailer 5$302 USD
Retailer 3$359 USD
Retailer 4$448 USD
Retailer 2$470 USD
Retailer 7$742 USD
Retailer 6$875 USD
MOH London$1,022 USD

13 data points across 7 retailers

6 retailers$302 USD to $1,022 USD

A
Cheapest Retailer
-
$302 USD
B+
Retailer 2
-
$359 USD
View
A
Retailer 3
-
$448 USD
View
A
Retailer 4
-
$470 USD
View
B
Retailer 5
-
$875 USD
View
Most Expensive
B
MOH London
LG653409926 · Oct 26
$1,022 USD
£805 GBP
View
5 more retailers have this diamond
Prices start from $302 USDSave up to $720 USD

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
$302 USD