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Cushion|Lab Grown|IGI

3.09ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG677521457

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG677521457

Diamond specifications and retailer prices

From €826 EUR
$923 USD
As of October 31, 2026
Save €7,391 EUR (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €8,217 EUR at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 LG677521457 or 677521457. Listed at 20 retailers as of October 26, 2026, with prices from €826 to €8,217, a €7,391 spread on the same certified stone. Brilliant Earth lists it at €8,217. 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
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677521457
Dimensions9.92 × 7.79 × 5.17 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.92 mm7.79 mm3.09 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677521457
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 36.6°Culet: NoneDepth 66.4%

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 31
Current: €8,217 EUR|Low: €826 EUR|High: €8,217 EUR|Avg: €2,421 EUR
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 14€826 EUR
Retailer 16€1,038 EUR
Retailer 9€1,121 EUR
Retailer 11€1,214 EUR
Retailer 3€1,215 EUR
Retailer 5€1,428 EUR
Retailer 6€1,452 EUR
Retailer 15€1,456 EUR
Retailer 17€1,525 EUR
Retailer 13€2,135 EUR
Retailer 18€2,195 EUR
Retailer 4€2,434 EUR
Retailer 8€2,828 EUR
Retailer 20€3,223 EUR
Retailer 12€3,370 EUR
Retailer 10€3,530 EUR
Retailer 19€3,567 EUR
Retailer 2€3,603 EUR
Retailer 7€6,552 EUR
Brilliant Earth€8,217 EUR

33 data points across 20 retailers

20 retailers€826 EUR to €8,217 EUR

A
Cheapest Retailer
-
€826 EUR
$923 USD
Final sale: no returns
A
Retailer 2
-
€1,038 EUR
$1,160 USD
View
A
Retailer 3
-
€1,121 EUR
$1,252 USD
View
A
Retailer 4
-
€1,214 EUR
HK$10,600 HKD
View
Retailer 5
-
€1,215 EUR
£1,069 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
€1,428 EUR
$1,595 USD
View
A
Retailer 7
-
€1,452 EUR
$1,622 USD
View
A
Retailer 8
-
€1,456 EUR
£1,280 GBP
View
A
Retailer 9
-
€1,525 EUR
View
B+
Retailer 10
-
€2,135 EUR
A$3,669 AUD
View
B+
Retailer 11
-
€2,195 EUR
ZAR 39,614 ZAR
View
B+
Retailer 12
-
€2,434 EUR
$2,719 USD
View
B+
Retailer 13
-
€2,828 EUR
$3,159 USD
View
B+
Retailer 14
-
€3,223 EUR
£2,835 GBP
View
B
Retailer 15
-
€3,370 EUR
$3,765 USD
View
B
Retailer 16
-
€3,530 EUR
SGD 5,329 SGD
View
Retailer 17
-
€3,567 EUR
$3,985 USD
View
Price last confirmed 10 days ago
B+
Retailer 18
-
€3,603 EUR
A$6,193 AUD
View
B
Retailer 19
-
€6,552 EUR
$7,320 USD
View
Most Expensive
B
Brilliant Earth
13509142Y · Oct 26
€8,217 EUR
$9,180 USD
View
19 more retailers have this diamond
Prices start from €826 EURSave up to €7,391 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
€826 EUR