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 $246 USD
As of October 25, 2026
Save $1,114 USD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,360 USD at Brilliant Earth · As of October 29, 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 13 retailers as of October 25, 2026, with prices from $246 to $1,360, a $1,114 spread on the same certified stone. Brilliant Earth lists it at $1,360. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $1,360 USD|Low: $130 USD|High: $1,360 USD|Avg: $548 USD
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
October 29, 2026
Retailer 6$130 USD
Retailer 5$246 USD
Retailer 9$247 USD
Retailer 10$293 USD
Retailer 8$399 USD
Retailer 13$415 USD
Retailer 7$431 USD
Retailer 12$471 USD
Retailer 11$558 USD
Retailer 4$601 USD
Retailer 2$821 USD
Retailer 3$1,149 USD
Retailer 14$1,167 USD
Brilliant Earth$1,360 USD

14 data points across 14 retailers

13 retailers$246 USD to $1,360 USD

A
Cheapest Retailer
-
$246 USD
A
Retailer 2
-
$247 USD
View
Final sale: no returns
A
Retailer 3
-
$293 USD
£230 GBP
View
A
Retailer 4
-
$399 USD
€380 EUR
View
A
Retailer 5
-
$415 USD
View
A
Retailer 6
-
$431 USD
£339 GBP
View
A
Retailer 7
-
$471 USD
View
B+
Retailer 8
-
$558 USD
View
B+
Retailer 9
-
$601 USD
A$924 AUD
View
B+
Retailer 10
-
$821 USD
View
B
Retailer 11
-
$1,149 USD
£905 GBP
View
B
Retailer 12
-
$1,167 USD
View
Most Expensive
B
Brilliant Earth
22335332A · Oct 29
$1,360 USD
View
12 more retailers have this diamond
Prices start from $246 USDSave up to $1,114 USD

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
$246 USD