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Cushion|Lab Grown|IGI

1.21ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG828628186

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

Certificate IGI LG828628186

Diamond specifications and retailer prices

From $357 AUD
$251 USD
As of November 1, 2026
Save $1,849 AUD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,207 AUD at Brilliant Earth · As of October 31, 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 D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828628186 or 828628186. Listed at 14 retailers as of October 31, 2026, with prices from $357 to $2,207, a $1,849 spread on the same certified stone. Brilliant Earth lists it at $2,207. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828628186
Dimensions6.09 × 6.07 × 4.15 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
6.09 mm6.07 mm1.21 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828628186
Side View
Table 63.0%Crown 35.3°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 68.4%

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 1
Current: $2,207 AUD|Low: $357 AUD|High: $2,207 AUD|Avg: $940 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
November 2, 2026
Retailer 3$357 AUD
Retailer 7$449 AUD
Retailer 11$571 AUD
Retailer 9$593 AUD
Retailer 4$601 AUD
Retailer 8$627 AUD
Retailer 14$715 AUD
Retailer 2$837 AUD
Retailer 12$1,109 AUD
Retailer 13$1,153 AUD
Retailer 5$1,181 AUD
Retailer 10$1,605 AUD
Retailer 6$1,675 AUD
Brilliant Earth$2,207 AUD

17 data points across 14 retailers

14 retailers$357 AUD to $2,207 AUD

A
Cheapest Retailer
-
$357 AUD
$251 USD
Final sale: no returns
A
Retailer 2
-
$449 AUD
£248 GBP
View
A
Retailer 3
-
$571 AUD
€382 EUR
View
A
Retailer 4
-
$593 AUD
ZAR 6,729 ZAR
View
A
Retailer 5
-
$601 AUD
$422 USD
View
A
Retailer 6
-
$627 AUD
£347 GBP
View
A
Retailer 7
-
$715 AUD
$502 USD
View
B+
Retailer 8
-
$837 AUD
View
B+
Retailer 9
-
$1,109 AUD
View
B+
Retailer 10
-
$1,153 AUD
$810 USD
View
B+
Retailer 11
-
$1,181 AUD
$829 USD
View
B+
Retailer 12
-
$1,605 AUD
£888 GBP
View
B
Retailer 13
-
$1,675 AUD
$1,176 USD
View
Most Expensive
B
Brilliant Earth
22335344A · Oct 31
$2,207 AUD
$1,550 USD
View
13 more retailers have this diamond
Prices start from $357 AUDSave up to $1,849 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
$357 AUD