Cushion|Lab Grown|IGI

1.22ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG837654313

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837654313

Diamond specifications and retailer prices

From $210 USD
As of October 30, 2026
Save $659 USD (76%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,010 USD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.22ct lab-grown cushion diamond

This 1.22ct 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 LG837654313 or 837654313. Listed at 5 retailers as of October 30, 2026, with a 314% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837654313
Dimensions7.51 × 5.54 × 3.74 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.51 mm5.54 mm1.22 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837654313
Side View
Table 57.0%Crown 34.2°Girdle: MED-THKPavilion 35.5°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $720 USD|Low: $210 USD|High: $880 USD|Avg: $503 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 28, 2026
Retailer 2$210 USD
Retailer 4$323 USD
Retailer 5$478 USD
Retailer 1$720 USD
Retailer 3$869 USD

14 data points across 5 retailers

5 retailers$210 USD to $869 USD

A
Cheapest Retailer
-
$210 USD
Final sale: no returns
B+
Retailer 2
-
$323 USD
View
B+
Retailer 3
-
$720 USD
View
B
Retailer 4
-
$869 USD
View
Most Expensive
Brilliant Earth
21470799A · Sep 28
$1,010 USD
View
Price last confirmed 32 days ago
4 more retailers have this diamond
Prices start from $210 USDSave up to $659 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
1.22ct Cushion
$210 USD