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Cushion|Lab Grown|IGI

1.22ct F SI1 Cushion Lab Grown Diamond

VG • F/SI1 • IGI LG603350358

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG603350358

Diamond specifications and retailer prices

From €1,320 EUR
$1,480 USD
As of October 27, 2026
5 retailers carry this diamond
Most expensive: €1,320 EUR at Do Amore Diamonds
View at Do Amore Diamonds

About this 1.22ct lab-grown cushion diamond

This 1.22ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG603350358 or 603350358. Listed at 5 retailers as of October 27, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.22
Carat
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603350358
Dimensions7.73 × 5.48 × 3.69 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.73 mm5.48 mm1.22 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603350358
Side View
Table 61.0%Crown 36.6°Girdle: MediumPavilion 38.6°Culet: NoneDepth 67.3%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 27
Current: €1,320 EUR|Low: €109 EUR|High: €1,391 EUR|Avg: €623 EUR|-5.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 25, 2026
Retailer 6€162 EUR
Retailer 4€310 EUR
Retailer 11€318 EUR
Retailer 8€435 EUR
Retailer 10€435 EUR
Retailer 3€471 EUR
Retailer 9€578 EUR
Retailer 7€731 EUR
Retailer 2€880 EUR
Retailer 5€1,079 EUR
Do Amore Diamonds€1,320 EUR

11 data points across 11 retailers

5 retailers

Retailer 1
-
€310 EUR
$348 USD
Price last confirmed 8 days ago
Retailer 2
-
€731 EUR
$820 USD
View
Price last confirmed 7 days ago
Retailer 3
-
€880 EUR
£777 GBP
View
Price last confirmed 7 days ago
Retailer 4
-
€1,079 EUR
$1,210 USD
View
Price last confirmed 7 days ago
Most Expensive
C
Do Amore Diamonds
27-BC3B24755 · Oct 27
€1,320 EUR
$1,480 USD
View
4 more retailers have this diamond

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.

C
1.22ct Cushion
€1,320 EUR