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Cushion|Lab Grown|IGI

1.21ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG845659404

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG845659404

Diamond specifications and retailer prices

From $305 AUD
$214 USD
As of October 30, 2026
Save $729 AUD (70%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,035 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845659404 or 845659404. Listed at 3 retailers as of October 28, 2026, with prices from $305 to $1,035, a $729 spread on the same certified stone. Rare Carat lists it at $1,035. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845659404
Dimensions7.34 × 5.55 × 3.75 mm
L/W Ratio1.32
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.34 mm5.55 mm1.21 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845659404
Side View
Table 63.0%Crown 35.4°Girdle: MED-STKPavilion 36°Culet: NoneDepth 67.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $637 AUD|Low: $305 AUD|High: $664 AUD|Avg: $518 AUD|-4.0%
Retailer 1
Retailer 2
November 1, 2026
Retailer 2$305 AUD
Retailer 1$637 AUD

15 data points across 2 retailers

3 retailers$305 AUD to $1,035 AUD

A
Cheapest Retailer
-
$305 AUD
$214 USD
Final sale: no returns
A
Retailer 2
-
$637 AUD
£351 GBP
View
Most Expensive
B+
Rare Carat
845659404 · Oct 28
$1,035 AUD
$725 USD
View
2 more retailers have this diamond
Prices start from $305 AUDSave up to $729 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 Cushion
$305 AUD