Cushion|Lab Grown|IGI

1.21ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG803603926

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

Certificate IGI LG803603926

Diamond specifications and retailer prices

From $358 AUD
$251 USD
As of November 1, 2026
Save $1,397 AUD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,755 AUD at Brilliant Earth · As of November 1, 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 LG803603926 or 803603926. Listed at 13 retailers as of November 1, 2026, with prices from $358 to $1,755, a $1,397 spread on the same certified stone. Brilliant Earth lists it at $1,755. 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 angle33.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803603926
Dimensions6.32 × 6.21 × 3.97 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
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
6.32 mm6.21 mm1.21 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803603926
Side View
Table 61.0%Crown 33.6°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 63.9%

Caratlytics Score

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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: $1,755 AUD|Low: $178 AUD|High: $2,269 AUD|Avg: $904 AUD|-22.6%
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 1, 2026
Retailer 6$178 AUD
Retailer 2$358 AUD
Retailer 11$450 AUD
Retailer 13$572 AUD
Retailer 9$594 AUD
Retailer 3$602 AUD
Retailer 12$623 AUD
Retailer 16$732 AUD
Retailer 5$816 AUD
Retailer 4$883 AUD
Retailer 7$896 AUD
Retailer 14$1,112 AUD
Retailer 15$1,156 AUD
Retailer 10$1,609 AUD
Retailer 8$1,740 AUD
Brilliant Earth$1,755 AUD

17 data points across 16 retailers

13 retailers$358 AUD to $1,755 AUD

A
Cheapest Retailer
-
$358 AUD
$251 USD
Final sale: no returns
A
Retailer 2
-
$450 AUD
£248 GBP
View
A
Retailer 3
-
$572 AUD
€382 EUR
View
A
Retailer 4
-
$594 AUD
ZAR 6,729 ZAR
View
A
Retailer 5
-
$602 AUD
$422 USD
View
A
Retailer 6
-
$623 AUD
£344 GBP
View
A
Retailer 7
-
$732 AUD
$513 USD
View
B+
Retailer 8
-
$816 AUD
$572 USD
View
Retailer 9
-
$883 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$1,112 AUD
View
B+
Retailer 11
-
$1,156 AUD
$810 USD
View
B
Retailer 12
-
$1,609 AUD
£888 GBP
View
Most Expensive
B
Brilliant Earth
20047961A · Nov 1
$1,755 AUD
$1,230 USD
View
12 more retailers have this diamond
Prices start from $358 AUDSave up to $1,397 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
$358 AUD