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Cushion|Lab Grown|IGI

4.21ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG811655166

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811655166

Diamond specifications and retailer prices

From €1,059 EUR
$1,183 USD
As of October 28, 2026
Save €7,142 EUR (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €8,201 EUR at Yadav Diamonds · As of October 29, 2026
View at Yadav Diamonds

About this 4.21ct lab-grown cushion diamond

This 4.21ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811655166 or 811655166. Listed at 25 retailers as of October 28, 2026, with prices from €1,059 to €8,201, a €7,142 spread on the same certified stone. Yadav Diamonds lists it at €8,201. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.21
Carat
F
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811655166
Dimensions11.48 × 8.50 × 5.56 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.48 mm8.50 mm4.21 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811655166
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 65.4%

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 28
Current: €2,526 EUR|Low: €1,011 EUR|High: €8,201 EUR|Avg: €3,150 EUR|+4.5%
Retailer 1
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Retailer 4
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Retailer 11
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Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Yadav Diamonds
October 29, 2026
Retailer 15€1,059 EUR
Retailer 4€1,075 EUR
Retailer 7€1,156 EUR
Retailer 22€1,182 EUR
Retailer 8€1,685 EUR
Retailer 12€1,711 EUR
Retailer 18€1,788 EUR
Retailer 9€1,873 EUR
Retailer 17€1,960 EUR
Retailer 1€2,526 EUR
Retailer 21€2,541 EUR
Retailer 6€2,885 EUR
Retailer 2€2,974 EUR
Retailer 5€3,142 EUR
Retailer 11€3,262 EUR
Retailer 14€3,274 EUR
Retailer 16€3,519 EUR
Retailer 20€3,818 EUR
Retailer 19€4,183 EUR
Retailer 3€5,042 EUR
Retailer 13€7,124 EUR
Retailer 10€7,277 EUR
Yadav Diamonds€8,201 EUR

26 data points across 23 retailers

25 retailers€1,059 EUR to €8,201 EUR

A
Cheapest Retailer
-
€1,059 EUR
$1,183 USD
Final sale: no returns
Retailer 2
-
€1,075 EUR
$1,201 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
€1,156 EUR
$1,291 USD
View
A
Retailer 4
-
€1,182 EUR
$1,320 USD
View
Price last confirmed 5 days ago
A
Retailer 5
-
€1,685 EUR
$1,882 USD
View
A
Retailer 6
-
€1,711 EUR
£1,505 GBP
View
A
Retailer 7
-
€1,788 EUR
View
B+
Retailer 8
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€1,873 EUR
$2,093 USD
View
A
Retailer 9
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€1,960 EUR
$2,190 USD
View
B+
Retailer 10
-
€2,526 EUR
ZAR 45,598 ZAR
View
Retailer 11
-
€2,541 EUR
A$4,367 AUD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
€2,885 EUR
$3,223 USD
View
B
Retailer 13
-
€2,974 EUR
CA$4,614 CAD
View
B+
Retailer 14
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€3,142 EUR
$3,510 USD
View
B
Retailer 15
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€3,262 EUR
$3,644 USD
View
B
Retailer 16
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€3,274 EUR
£2,880 GBP
View
B
Retailer 17
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€3,519 EUR
£3,096 GBP
View
B
Retailer 18
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€3,818 EUR
£3,359 GBP
View
B
Retailer 19
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€4,183 EUR
$4,673 USD
View
Retailer 20
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€4,608 EUR
A$7,920 AUD
View
Price last confirmed 121 days ago
Retailer 21
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€4,846 EUR
$5,414 USD
View
Price last confirmed 53 days ago
B
Retailer 22
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€5,042 EUR
$5,633 USD
View
B
Retailer 23
-
€7,124 EUR
$7,959 USD
View
B
Retailer 24
-
€7,277 EUR
$8,130 USD
View
Most Expensive
B
Yadav Diamonds
13305924 · Oct 29
€8,201 EUR
$9,162 USD
View
24 more retailers have this diamond
Prices start from €1,059 EURSave up to €7,142 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
4.21ct Cushion
€1,059 EUR