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Cushion|Lab Grown|IGI

1.21ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG620454308

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG620454308

Diamond specifications and retailer prices

From €259 EUR
£229 GBP
As of November 2, 2026
Save €1,265 EUR (83%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €1,525 EUR at Do Amore Diamonds · As of November 2, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620454308 or 620454308. Listed at 6 retailers as of November 2, 2026, with prices from €259 to €1,525, a €1,265 spread on the same certified stone. Do Amore Diamonds lists it at €1,525. 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
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620454308
Dimensions6.15 × 6.12 × 4.03 mm
L/W Ratio1.00
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
6.15 mm6.12 mm1.21 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620454308
Side View
Table 61.0%Crown 34.6°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €1,525 EUR|Low: €259 EUR|High: €1,525 EUR|Avg: €619 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3€259 EUR
Retailer 5€349 EUR
Retailer 6€381 EUR
Retailer 10€393 EUR
Retailer 8€410 EUR
Retailer 9€472 EUR
Retailer 2€529 EUR
Retailer 7€877 EUR
Retailer 4€1,019 EUR
Do Amore Diamonds€1,525 EUR

40 data points across 10 retailers

6 retailers€259 EUR to €1,525 EUR

A
Cheapest Retailer
-
€259 EUR
£229 GBP
A
Retailer 2
-
€349 EUR
$391 USD
View
A
Retailer 3
-
€441 EUR
$495 USD
View
B+
Retailer 4
-
€529 EUR
A$912 AUD
View
B
Retailer 5
-
€1,019 EUR
£900 GBP
View
Most Expensive
B
Do Amore Diamonds
27-5F4D4275D · Nov 2
€1,525 EUR
$1,710 USD
View
5 more retailers have this diamond
Prices start from €259 EURSave up to €1,265 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
€259 EUR