CaratHunter
Plans
Cushion|Lab Grown|IGI

1.22ct F SI1 Cushion Lab Grown Diamond

VG • F/SI1

Diamond specifications and retailer prices

From €245 EUR
£216 GBP
As of October 27, 2026
Save €281 EUR (53%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €526 EUR at Blue Nile · As of October 27, 2026
View at Blue Nile

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. Listed at 2 retailers as of October 27, 2026, with prices from €245 to €526, a €281 spread on the same certified stone. Blue Nile lists it at €526. 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
OriginLab Grown
Grading LabIGI
Dimensions7.73 × 5.48 × 0.00 mm
L/W Ratio1.41
Top View
7.73 mm5.48 mm1.22 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 61.0%CrownGirdle: MediumPavilionCulet: NoneDepth 67.3%

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 27
Current: €526 EUR|Low: €244 EUR|High: €526 EUR|Avg: €386 EUR
Blue Nile
Retailer 2
October 27, 2026
Retailer 2€245 EUR
Blue Nile€526 EUR

11 data points across 2 retailers

2 retailers€245 EUR to €526 EUR

A
Cheapest Retailer
-
€245 EUR
£216 GBP
Most Expensive
B
Blue Nile
20098508 · Oct 27
€526 EUR
$588 USD
View
1 more retailer has this diamond
Prices start from €245 EURSave up to €281 EUR

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
€245 EUR