Cushion|Lab Grown|IGI

1.21ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG845659404

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG845659404

Diamond specifications and retailer prices

From €192 EUR
$214 USD
As of October 30, 2026
Save €457 EUR (70%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €649 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845659404 or 845659404. Listed at 3 retailers as of October 28, 2026, with prices from €192 to €649, a €457 spread on the same certified stone. Rare Carat lists it at €649. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845659404
Dimensions7.34 × 5.55 × 3.75 mm
L/W Ratio1.32
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.34 mm5.55 mm1.21 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845659404
Side View
Table 63.0%Crown 35.4°Girdle: MED-STKPavilion 36°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €400 EUR|Low: €192 EUR|High: €416 EUR|Avg: €328 EUR|-4.0%
Retailer 1
Retailer 2
October 31, 2026
Retailer 2€192 EUR
Retailer 1€400 EUR

14 data points across 2 retailers

3 retailers€192 EUR to €649 EUR

A
Cheapest Retailer
-
€192 EUR
$214 USD
Final sale: no returns
A
Retailer 2
-
€400 EUR
£351 GBP
View
Most Expensive
B+
Rare Carat
845659404 · Oct 28
€649 EUR
$725 USD
View
2 more retailers have this diamond
Prices start from €192 EURSave up to €457 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
€192 EUR