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Cushion|Lab Grown|IGI

1.21ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG620454308

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG620454308

Diamond specifications and retailer prices

From $414 AUD
As of November 2, 2026
Save $2,028 AUD (83%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,443 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620454308 or 620454308. Listed at 6 retailers as of November 2, 2026, with prices from $414 to $2,443, a $2,028 spread on the same certified stone. Do Amore Diamonds lists it at $2,443. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620454308
Dimensions6.15 × 6.12 × 4.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.15 mm6.12 mm1.21 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620454308
Side View
Table 61.0%Crown 34.6°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 65.8%

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 2
Current: $2,443 AUD|Low: $414 AUD|High: $2,443 AUD|Avg: $991 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5$414 AUD
Retailer 7$559 AUD
Retailer 2$600 AUD
Retailer 8$610 AUD
Retailer 3$629 AUD
Retailer 10$657 AUD
Retailer 11$756 AUD
Retailer 4$846 AUD
Retailer 9$1,404 AUD
Retailer 6$1,633 AUD
Do Amore Diamonds$2,443 AUD

40 data points across 11 retailers

6 retailers$414 AUD to $2,443 AUD

A
Cheapest Retailer
-
$414 AUD
A
Retailer 2
-
$559 AUD
View
A
Retailer 3
-
$600 AUD
View
B+
Retailer 4
-
$846 AUD
View
Retailer 5
-
$1,633 AUD
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-5F4D4275D · Nov 2
$2,443 AUD
$1,710 USD
View
5 more retailers have this diamond
Prices start from $414 AUDSave up to $2,028 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
$414 AUD