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Cushion|Lab Grown|IGI

1.21ct E VVS2 Cushion Lab Grown Diamond

ID • E/VVS2 • IGI LG828628305

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG828628305

Diamond specifications and retailer prices

From $305 AUD
As of November 4, 2026
Save $1,634 AUD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,939 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828628305 or 828628305. Listed at 16 retailers as of November 4, 2026, with prices from $305 to $1,939, a $1,634 spread on the same certified stone. Brilliant Earth lists it at $1,939. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828628305
Dimensions6.13 × 6.12 × 4.16 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.13 mm6.12 mm1.21 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828628305
Side View
Table 61.0%Crown 36.5°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,939 AUD|Low: $184 AUD|High: $1,939 AUD|Avg: $799 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 4, 2026
Retailer 8$184 AUD
Retailer 10$305 AUD
Retailer 7$351 AUD
Retailer 2$415 AUD
Retailer 5$569 AUD
Retailer 13$586 AUD
Retailer 16$594 AUD
Retailer 9$613 AUD
Retailer 14$673 AUD
Retailer 15$797 AUD
Retailer 12$828 AUD
Retailer 11$898 AUD
Retailer 4$1,169 AUD
Retailer 6$1,638 AUD
Retailer 3$1,666 AUD
Brilliant Earth$1,939 AUD

20 data points across 16 retailers

16 retailers$305 AUD to $1,939 AUD

A
Cheapest Retailer
-
$305 AUD
Final sale: no returns
Retailer 2
-
$351 AUD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$415 AUD
View
A
Retailer 4
-
$569 AUD
View
A
Retailer 5
-
$586 AUD
View
A
Retailer 6
-
$594 AUD
View
A
Retailer 7
-
$613 AUD
View
A
Retailer 8
-
$673 AUD
View
A
Retailer 9
-
$797 AUD
View
B+
Retailer 10
-
$828 AUD
View
B+
Retailer 11
-
$898 AUD
View
B+
Retailer 12
-
$1,026 AUD
View
B+
Retailer 13
-
$1,169 AUD
View
Retailer 14
-
$1,638 AUD
View
Price last confirmed 9 days ago
B
Retailer 15
-
$1,666 AUD
View
Most Expensive
B
Brilliant Earth
22335332A · Nov 4
$1,939 AUD
$1,360 USD
View
15 more retailers have this diamond
Prices start from $305 AUDSave up to $1,634 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