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Cushion|Lab Grown|IGI

3.09ct K VS1 Cushion Lab Grown Diamond

EX • K/VS1 • IGI LG817653840

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG817653840

Diamond specifications and retailer prices

From €1,438 EUR
As of November 6, 2026
Save €3,668 EUR (72%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €5,106 EUR at Frank Darling · As of November 6, 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 K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817653840 or 817653840. Listed at 5 retailers as of November 6, 2026, with prices from €1,438 to €5,106, a €3,668 spread on the same certified stone. Frank Darling lists it at €5,106. 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
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817653840
Dimensions10.59 × 7.25 × 4.86 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa Faint Brown
Top View
10.59 mm7.25 mm3.09 ctK / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817653840
Side View
Table 53.0%Crown 38.7°Girdle: STK-THKPavilion 37.9°Culet: NoneDepth 67.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €5,106 EUR|Low: €1,159 EUR|High: €5,106 EUR|Avg: €2,610 EUR
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6€1,240 EUR
Retailer 5€1,397 EUR
Retailer 9€1,433 EUR
Retailer 3€1,438 EUR
Retailer 4€2,597 EUR
Retailer 2€2,917 EUR
Retailer 7€3,991 EUR
Retailer 8€4,157 EUR
Frank Darling€5,106 EUR

16 data points across 9 retailers

5 retailers€1,438 EUR to €5,106 EUR

Retailer 1
-
€1,433 EUR
Price last confirmed 37 days ago
A
Retailer 2
-
€1,438 EUR
View
B+
Retailer 3
-
€2,597 EUR
View
B
Retailer 4
-
€2,917 EUR
View
Most Expensive
B
Frank Darling
LGO944829JA · Nov 6
€5,106 EUR
$5,701 USD
View
4 more retailers have this diamond
Prices start from €1,438 EURSave up to €3,668 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
€1,438 EUR