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Cushion|Lab Grown|IGI

1.21ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG658475150

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG658475150

Diamond specifications and retailer prices

From €219 EUR
$245 USD
As of October 30, 2026
Save €904 EUR (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,123 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG658475150 or 658475150. Listed at 15 retailers as of October 30, 2026, with prices from €219 to €1,123, a €904 spread on the same certified stone. Reve Diamonds lists it at €1,123. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658475150
Dimensions6.14 × 6.12 × 4.13 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.14 mm6.12 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658475150
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €448 EUR|Low: €198 EUR|High: €1,155 EUR|Avg: €604 EUR|+16.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Reve Diamonds
November 1, 2026
Retailer 2€219 EUR
Retailer 14€327 EUR
Retailer 8€376 EUR
Retailer 5€415 EUR
Retailer 12€418 EUR
Retailer 3€423 EUR
Retailer 1€448 EUR
Retailer 15€527 EUR
Retailer 13€595 EUR
Retailer 11€649 EUR
Retailer 6€667 EUR
Retailer 7€805 EUR
Retailer 4€829 EUR
Retailer 9€958 EUR
Retailer 10€980 EUR
Reve Diamonds€1,123 EUR

37 data points across 16 retailers

15 retailers€219 EUR to €1,123 EUR

A
Cheapest Retailer
-
€219 EUR
$245 USD
Final sale: no returns
Retailer 2
-
€327 EUR
£287 GBP
View
Price last confirmed 15 days ago
A
Retailer 3
-
€376 EUR
View
A
Retailer 4
-
€415 EUR
$464 USD
View
A
Retailer 5
-
€418 EUR
ZAR 7,543 ZAR
View
A
Retailer 6
-
€423 EUR
$473 USD
View
B+
Retailer 7
-
€448 EUR
£394 GBP
View
B+
Retailer 8
-
€527 EUR
$589 USD
View
B+
Retailer 9
-
€595 EUR
A$1,022 AUD
View
B+
Retailer 10
-
€649 EUR
$725 USD
View
B+
Retailer 11
-
€667 EUR
$745 USD
View
B
Retailer 12
-
€829 EUR
$927 USD
View
B
Retailer 13
-
€958 EUR
$1,070 USD
View
B
Retailer 14
-
€980 EUR
£862 GBP
View
Most Expensive
B
Reve Diamonds
ACBB1653A · Oct 30
€1,123 EUR
$1,255 USD
View
14 more retailers have this diamond
Prices start from €219 EURSave up to €904 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
€219 EUR