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Cushion|Lab Grown|IGI

3.09ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG821643794

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG821643794

Diamond specifications and retailer prices

From €678 EUR
$757 USD
As of October 29, 2026
Save €2,296 EUR (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €3,710 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821643794 or 821643794. Listed at 16 retailers as of October 29, 2026, with a 339% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.09
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821643794
Dimensions10.41 × 7.42 × 4.79 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.41 mm7.42 mm3.09 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821643794
Side View
Table 66.0%Crown 40.4°Girdle: MED-THKPavilion 35.6°Culet: NoneDepth 64.6%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €3,710 EUR|Low: €678 EUR|High: €3,710 EUR|Avg: €1,845 EUR
Rare Carat
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
October 31, 2026
Retailer 14€678 EUR
Retailer 2€859 EUR
Retailer 9€1,007 EUR
Retailer 3€1,096 EUR
Retailer 10€1,124 EUR
Retailer 8€1,586 EUR
Retailer 6€1,630 EUR
Retailer 12€1,828 EUR
Retailer 4€2,183 EUR
Retailer 13€2,422 EUR
Retailer 11€2,498 EUR
Retailer 7€2,879 EUR
Retailer 5€2,974 EUR
Rare Carat€3,710 EUR

21 data points across 14 retailers

16 retailers€678 EUR to €2,974 EUR

A+
Cheapest Retailer
-
€678 EUR
$757 USD
Final sale: no returns
A
Retailer 2
-
€859 EUR
$960 USD
View
A
Retailer 3
-
€1,007 EUR
$1,125 USD
View
A
Retailer 4
-
€1,096 EUR
View
A
Retailer 5
-
€1,124 EUR
£989 GBP
View
A
Retailer 6
-
€1,586 EUR
A$2,726 AUD
View
A
Retailer 7
-
€1,630 EUR
ZAR 29,427 ZAR
View
A
Retailer 8
-
€1,828 EUR
$2,042 USD
View
B+
Retailer 9
-
€2,183 EUR
£1,920 GBP
View
B+
Retailer 10
-
€2,422 EUR
$2,706 USD
View
B+
Retailer 11
-
€2,461 EUR
$2,750 USD
View
B+
Retailer 12
-
€2,498 EUR
$2,791 USD
View
B+
Retailer 13
-
€2,879 EUR
SGD 4,346 SGD
View
B
Retailer 14
-
€2,974 EUR
£2,616 GBP
View
Retailer 15
-
€3,526 EUR
A$6,061 AUD
View
Price last confirmed 22 days ago
Most Expensive
Rare Carat
CN200-28A · Oct 21
€3,710 EUR
$4,145 USD
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from €678 EURSave up to €2,296 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+
3.09ct Cushion
€678 EUR