Cushion|Lab Grown|IGI

1.21ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG828658173

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG828658173

Diamond specifications and retailer prices

From $328 USD
As of October 30, 2026
Save $1,552 USD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,880 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828658173 or 828658173. Listed at 10 retailers as of October 30, 2026, with prices from $328 to $1,880, a $1,552 spread on the same certified stone. Do Amore Diamonds lists it at $1,880. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828658173
Dimensions7.67 × 5.44 × 3.47 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.67 mm5.44 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828658173
Side View
Table 66.0%Crown 38.8°Girdle: MED-STKPavilion 35.8°Culet: NoneDepth 63.8%

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: Oct 30
Current: $1,880 USD|Low: $275 USD|High: $1,880 USD|Avg: $659 USD
Do Amore Diamonds
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 30, 2026
Retailer 11$328 USD
Retailer 4$333 USD
Retailer 14$342 USD
Retailer 2$359 USD
Retailer 10$370 USD
Retailer 7$437 USD
Retailer 13$548 USD
Retailer 6$705 USD
Retailer 3$705 USD
Retailer 5$718 USD
Retailer 8$772 USD
Retailer 12$880 USD
Retailer 9$1,076 USD
Do Amore Diamonds$1,880 USD

8 data points across 14 retailers

10 retailers$328 USD to $1,880 USD

B+
Cheapest Retailer
-
$328 USD
A
Retailer 2
-
$359 USD
£283 GBP
View
Retailer 3
-
$370 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$437 USD
€416 EUR
View
B+
Retailer 5
-
$548 USD
View
Retailer 6
-
$718 USD
View
Price last confirmed 52 days ago
B+
Retailer 7
-
$772 USD
A$1,188 AUD
View
B
Retailer 8
-
$880 USD
View
B
Retailer 9
-
$1,076 USD
£847 GBP
View
Most Expensive
B
Do Amore Diamonds
27-86CAAC5FE · Oct 31
$1,880 USD
View
9 more retailers have this diamond
Prices start from $328 USDSave up to $1,552 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
$328 USD