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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 $431 AUD
As of November 5, 2026
Save $1,020 AUD (70%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,450 AUD at MOH London · As of November 5, 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 5, 2026, with prices from $431 to $1,450, a $1,020 spread on the same certified stone. MOH London lists it at $1,450. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,450 AUD|Low: $431 AUD|High: $1,472 AUD|Avg: $860 AUD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 5$431 AUD
Retailer 3$512 AUD
Retailer 4$639 AUD
Retailer 2$670 AUD
Retailer 7$1,056 AUD
Retailer 6$1,247 AUD
MOH London$1,450 AUD

14 data points across 7 retailers

6 retailers$431 AUD to $1,450 AUD

A
Cheapest Retailer
-
$431 AUD
B+
Retailer 2
-
$512 AUD
View
A
Retailer 3
-
$639 AUD
View
A
Retailer 4
-
$670 AUD
View
B
Retailer 5
-
$1,247 AUD
View
Most Expensive
B
MOH London
LG653409926 · Nov 5
$1,450 AUD
£801 GBP
View
5 more retailers have this diamond
Prices start from $431 AUDSave up to $1,020 AUD

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
$431 AUD