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Cushion|Lab Grown|IGI

1.21ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG825623179

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

Certificate IGI LG825623179

Diamond specifications and retailer prices

From €177 EUR
$199 USD
As of November 1, 2026
Save €742 EUR (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €919 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 LG825623179 or 825623179. Listed at 12 retailers as of November 1, 2026, with prices from €177 to €919, a €742 spread on the same certified stone. MOH London lists it at €919. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825623179
Dimensions6.18 × 5.88 × 3.97 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.18 mm5.88 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825623179
Side View
Table 63.0%Crown 33.8°Girdle: STK-THKPavilion 38.4°Culet: NoneDepth 67.5%

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 1
Current: €919 EUR|Low: €177 EUR|High: €987 EUR|Avg: €442 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 3€177 EUR
Retailer 4€209 EUR
Retailer 2€235 EUR
Retailer 9€335 EUR
Retailer 8€339 EUR
Retailer 10€349 EUR
Retailer 5€350 EUR
Retailer 11€386 EUR
Retailer 6€479 EUR
Retailer 7€593 EUR
Retailer 12€680 EUR
MOH London€919 EUR

36 data points across 12 retailers

12 retailers€177 EUR to €919 EUR

A
Cheapest Retailer
-
€177 EUR
$199 USD
Final sale: no returns
Retailer 2
-
€209 EUR
$234 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
€235 EUR
£208 GBP
View
A
Retailer 4
-
€335 EUR
View
A
Retailer 5
-
€339 EUR
ZAR 6,149 ZAR
View
A
Retailer 6
-
€349 EUR
$391 USD
View
A
Retailer 7
-
€350 EUR
£309 GBP
View
A
Retailer 8
-
€386 EUR
$433 USD
View
A
Retailer 9
-
€479 EUR
A$827 AUD
View
B+
Retailer 10
-
€593 EUR
$665 USD
View
B+
Retailer 11
-
€680 EUR
$763 USD
View
Most Expensive
B
MOH London
LG825623179 · Nov 2
€919 EUR
£812 GBP
View
11 more retailers have this diamond
Prices start from €177 EURSave up to €742 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
€177 EUR