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Asscher|Lab Grown|IGI

1.21ct E SI1 Asscher Lab Grown Diamond

EX • E/SI1 • IGI LG668425893

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG668425893

Diamond specifications and retailer prices

From $706 AUD
$496 USD
As of October 30, 2026
Save $147 AUD (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $854 AUD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1.21ct lab-grown asscher diamond

This 1.21ct lab-grown asscher sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG668425893 or 668425893. Listed at 2 retailers as of October 29, 2026, with prices from $706 to $854, a $147 spread on the same certified stone. Diamond Quarter lists it at $854. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.21
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668425893
Dimensions6.03 × 5.93 × 3.78 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.03 mm5.93 mm1.21 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668425893
Side View
Table 68.0%Crown 37.2°Girdle: MediumPavilion 37.2°Culet: NoneDepth 63.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $706 AUD|Low: $690 AUD|High: $1,029 AUD|Avg: $804 AUD|-31.4%
September 23, 2026
Retailer 1$706 AUD

4 data points across 1 retailer

2 retailers$706 AUD to $854 AUD

B+
Cheapest Retailer
-
$706 AUD
$496 USD
Most Expensive
B
Diamond Quarter
1.21SI1ELG93ACEEN · Oct 29
$854 AUD
£472 GBP
View
1 more retailer has this diamond
Prices start from $706 AUDSave up to $147 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.

B+
1.21ct Asscher
$706 AUD