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Cushion|Lab Grown|IGI

1.21ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG801634581

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

Certificate IGI LG801634581

Diamond specifications and retailer prices

From €346 EUR
As of October 31, 2026
Save €619 EUR (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €966 EUR at MOH London · As of November 2, 2026
View at MOH London

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 LG801634581 or 801634581. Listed at 13 retailers as of October 31, 2026, with prices from €346 to €966, a €619 spread on the same certified stone. MOH London lists it at €966. 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 angle32.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801634581
Dimensions6.20 × 6.13 × 4.14 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.20 mm6.13 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801634581
Side View
Table 59.0%Crown 32.4°Girdle: THK-VTKPavilion 40.1°Culet: NoneDepth 67.5%

Caratlytics Score

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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: Oct 31
Current: €966 EUR|Low: €197 EUR|High: €966 EUR|Avg: €497 EUR|+6.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 4€199 EUR
Retailer 8€346 EUR
Retailer 7€357 EUR
Retailer 11€364 EUR
Retailer 5€372 EUR
Retailer 9€389 EUR
Retailer 2€539 EUR
Retailer 3€580 EUR
Retailer 6€588 EUR
Retailer 10€597 EUR
Retailer 12€712 EUR
MOH London€966 EUR

42 data points across 12 retailers

13 retailers€346 EUR to €966 EUR

Retailer 1
-
€199 EUR
$223 USD
Price last confirmed 8 days ago
A
Retailer 2
-
€346 EUR
View
A
Retailer 3
-
€357 EUR
ZAR 6,464 ZAR
View
A
Retailer 4
-
€364 EUR
$408 USD
View
A
Retailer 5
-
€372 EUR
£328 GBP
View
A
Retailer 6
-
€389 EUR
$436 USD
View
B+
Retailer 7
-
€539 EUR
$605 USD
View
B+
Retailer 8
-
€580 EUR
A$1,001 AUD
View
B+
Retailer 9
-
€588 EUR
$660 USD
View
B+
Retailer 10
-
€597 EUR
$670 USD
View
B
Retailer 11
-
€712 EUR
$799 USD
View
Retailer 12
-
€785 EUR
$880 USD
View
Price last confirmed 31 days ago
Most Expensive
B
MOH London
LG801634581 · Nov 2
€966 EUR
£853 GBP
View
12 more retailers have this diamond
Prices start from €346 EURSave up to €619 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
€346 EUR