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Cushion|Lab Grown|IGI

15.09ct F VVS2 Cushion Lab Grown Diamond

EX • F/VVS2 • IGI LG628471625

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG628471625

Diamond specifications and retailer prices

From €6,395 EUR
£5,648 GBP
As of November 2, 2026
Save €21,235 EUR (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €27,630 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 15.09ct lab-grown cushion diamond

This 15.09ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG628471625 or 628471625. Listed at 16 retailers as of November 2, 2026, with prices from €6,395 to €27,630, a €21,235 spread on the same certified stone. Brilliant Earth lists it at €27,630. 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

15.09
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628471625
Dimensions13.60 × 13.60 × 8.85 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.60 mm13.60 mm15.09 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628471625
Side View
Table 61.0%Crown 38.5°Girdle: THK-VTKPavilion 31.7°Culet: NoneDepth 65.1%

Caratlytics Score

How it works →
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: Nov 2
Current: €27,630 EUR|Low: €6,393 EUR|High: €27,630 EUR|Avg: €11,790 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
November 2, 2026
Retailer 9€6,395 EUR
Retailer 7€7,503 EUR
Retailer 4€7,688 EUR
Retailer 3€7,908 EUR
Retailer 6€7,963 EUR
Retailer 2€8,431 EUR
Retailer 15€9,221 EUR
Retailer 10€9,735 EUR
Retailer 13€12,327 EUR
Retailer 8€13,212 EUR
Retailer 12€13,476 EUR
Retailer 11€15,157 EUR
Retailer 14€15,250 EUR
Retailer 5€22,171 EUR
Brilliant Earth€27,630 EUR

40 data points across 15 retailers

16 retailers€6,395 EUR to €27,630 EUR

A
Cheapest Retailer
-
€6,395 EUR
£5,648 GBP
B+
Retailer 2
-
€7,503 EUR
$8,415 USD
View
B+
Retailer 3
-
€7,688 EUR
$8,623 USD
View
Final sale: no returns
B+
Retailer 4
-
€7,908 EUR
$8,870 USD
View
Retailer 5
-
€7,963 EUR
$8,931 USD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
€8,431 EUR
$9,456 USD
View
B+
Retailer 7
-
€9,221 EUR
$10,342 USD
View
B+
Retailer 8
-
€9,735 EUR
£8,597 GBP
View
B
Retailer 9
-
€12,327 EUR
ZAR 223,355 ZAR
View
B
Retailer 10
-
€13,212 EUR
View
B
Retailer 11
-
€13,476 EUR
A$23,254 AUD
View
B
Retailer 12
-
€15,157 EUR
A$26,154 AUD
View
B
Retailer 13
-
€15,250 EUR
$17,104 USD
View
B
Retailer 14
-
€22,171 EUR
$24,868 USD
View
B
Retailer 15
-
€26,266 EUR
$29,460 USD
View
Most Expensive
B
Brilliant Earth
20602767A · Nov 2
€27,630 EUR
$30,990 USD
View
15 more retailers have this diamond
Prices start from €6,395 EURSave up to €21,235 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
15.09ct Cushion
€6,395 EUR