Cushion|Lab Grown|IGI

3.09ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG788659413

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG788659413

Diamond specifications and retailer prices

From €536 EUR
$599 USD
As of October 31, 2026
Save €3,279 EUR (86%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €3,815 EUR at Frank Darling · As of October 31, 2026
View at Frank Darling

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788659413 or 788659413. Listed at 6 retailers as of October 31, 2026, with prices from €536 to €3,815, a €3,279 spread on the same certified stone. Frank Darling lists it at €3,815. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788659413
Dimensions10.18 × 7.48 × 5.00 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.18 mm7.48 mm3.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788659413
Side View
Table 63.0%Crown 36.4°Girdle: MED-THKPavilion 35.1°Culet: NoneDepth 66.8%

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: €3,815 EUR|Low: €348 EUR|High: €6,284 EUR|Avg: €1,959 EUR|-0.0%
Frank Darling
Retailer 2
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Retailer 11
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Retailer 16
October 28, 2026
Retailer 5€348 EUR
Retailer 2€536 EUR
Retailer 9€745 EUR
Retailer 13€773 EUR
Retailer 15€779 EUR
Retailer 12€902 EUR
Retailer 6€1,009 EUR
Retailer 14€1,610 EUR
Retailer 4€1,875 EUR
Retailer 11€1,980 EUR
Retailer 3€2,040 EUR
Retailer 7€2,240 EUR
Retailer 10€2,524 EUR
Frank Darling€3,815 EUR
Retailer 16€3,867 EUR
Retailer 8€6,284 EUR

8 data points across 16 retailers

6 retailers€536 EUR to €3,815 EUR

A
Cheapest Retailer
-
€536 EUR
$599 USD
Final sale: no returns
B+
Retailer 2
-
€745 EUR
$832 USD
View
Retailer 3
-
€1,980 EUR
$2,212 USD
View
Price last confirmed 8 days ago
Retailer 4
-
€2,240 EUR
A$3,850 AUD
View
Price last confirmed 121 days ago
Retailer 5
-
€2,524 EUR
$2,820 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Frank Darling
100760416145KD · Oct 31
€3,815 EUR
$4,262 USD
View
5 more retailers have this diamond
Prices start from €536 EURSave up to €3,279 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
€536 EUR