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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 $251 USD
As of October 30, 2026
Save $1,299 USD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,550 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 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 12 retailers as of October 29, 2026, with prices from $251 to $1,550, a $1,299 spread on the same certified stone. Brilliant Earth lists it at $1,550. 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
Color
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: Oct 30
Current: $1,550 USD|Low: $125 USD|High: $1,590 USD|Avg: $634 USD|-2.5%
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
October 30, 2026
Retailer 5$125 USD
Retailer 11$251 USD
Retailer 2$317 USD
Retailer 6$394 USD
Retailer 10$405 USD
Retailer 16$422 USD
Retailer 9$440 USD
Retailer 15$513 USD
Retailer 4$572 USD
Retailer 3$619 USD
Retailer 7$628 USD
Retailer 13$779 USD
Retailer 14$810 USD
Retailer 12$1,134 USD
Retailer 8$1,219 USD
Brilliant Earth$1,550 USD

15 data points across 16 retailers

12 retailers$251 USD to $1,550 USD

A
Cheapest Retailer
-
$251 USD
Final sale: no returns
A
Retailer 2
-
$317 USD
£249 GBP
View
A
Retailer 3
-
$405 USD
€386 EUR
View
A
Retailer 4
-
$422 USD
View
A
Retailer 5
-
$440 USD
£347 GBP
View
A
Retailer 6
-
$513 USD
View
B+
Retailer 7
-
$572 USD
View
B+
Retailer 8
-
$619 USD
A$952 AUD
View
B+
Retailer 9
-
$779 USD
A$1,199 AUD
View
B+
Retailer 10
-
$810 USD
View
B
Retailer 11
-
$1,134 USD
£893 GBP
View
Most Expensive
B
Brilliant Earth
19740784A · Oct 29
$1,550 USD
View
11 more retailers have this diamond
Prices start from $251 USDSave up to $1,299 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
$251 USD