CaratHunter
Plans
Cushion|Lab Grown|IGI

1.21ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG749577139

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG749577139

Diamond specifications and retailer prices

From €399 EUR
$447 USD
As of November 1, 2026
Save €844 EUR (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,242 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG749577139 or 749577139. Listed at 10 retailers as of October 31, 2026, with prices from €399 to €1,242, a €844 spread on the same certified stone. Taylor and Hart lists it at €1,242. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749577139
Dimensions6.43 × 6.14 × 3.91 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.43 mm6.14 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749577139
Side View
Table 63.0%Crown 35.5°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 63.7%

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: Nov 1
Current: €589 EUR|Low: €390 EUR|High: €1,242 EUR|Avg: €688 EUR|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Taylor and Hart
November 2, 2026
Retailer 9€399 EUR
Retailer 7€412 EUR
Retailer 3€416 EUR
Retailer 4€436 EUR
Retailer 2€447 EUR
Retailer 1€589 EUR
Retailer 6€794 EUR
Retailer 8€964 EUR
Retailer 5€972 EUR
Taylor and Hart€1,242 EUR

43 data points across 10 retailers

10 retailers€399 EUR to €1,242 EUR

A
Cheapest Retailer
-
€399 EUR
$447 USD
A
Retailer 2
-
€412 EUR
$462 USD
View
A
Retailer 3
-
€416 EUR
ZAR 7,539 ZAR
View
A
Retailer 4
-
€436 EUR
View
A
Retailer 5
-
€447 EUR
£395 GBP
View
B+
Retailer 6
-
€589 EUR
A$1,017 AUD
View
Retailer 7
-
€794 EUR
$890 USD
View
Price last confirmed 25 days ago
B
Retailer 8
-
€964 EUR
SGD 1,461 SGD
View
B
Retailer 9
-
€972 EUR
£858 GBP
View
Most Expensive
B
Taylor and Hart
B9Y3OZB · Oct 31
€1,242 EUR
$1,393 USD
View
9 more retailers have this diamond
Prices start from €399 EURSave up to €844 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
1.21ct Cushion
€399 EUR