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Cushion|Lab Grown|IGI

15.28ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG729554353

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG729554353

Diamond specifications and retailer prices

From $3,380 USD
As of November 2, 2026
Save $10,771 USD (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $14,151 USD at Adiamor · As of November 2, 2026
View at Adiamor

About this 15.28ct lab-grown cushion diamond

This 15.28ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG729554353 or 729554353. Listed at 10 retailers as of November 2, 2026, with prices from $3,380 to $14,151, a $10,771 spread on the same certified stone. Adiamor lists it at $14,151. 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

15.28
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729554353
Dimensions14.11 × 13.84 × 8.92 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.11 mm13.84 mm15.28 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729554353
Side View
Table 62.0%Crown 35.8°Girdle: THK-VTKPavilion 31.6°Culet: NoneDepth 64.5%

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: $14,151 USD|Low: $3,376 USD|High: $14,210 USD|Avg: $8,108 USD|-0.1%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7$3,376 USD
Retailer 5$3,380 USD
Retailer 8$3,927 USD
Retailer 4$4,525 USD
Retailer 9$5,251 USD
Retailer 2$5,927 USD
Retailer 11$10,057 USD
Retailer 3$11,226 USD
Retailer 10$11,762 USD
Retailer 6$13,160 USD
Adiamor$14,151 USD

38 data points across 11 retailers

10 retailers$3,380 USD to $14,151 USD

Retailer 1
-
$3,376 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$3,380 USD
View
A
Retailer 3
-
$3,927 USD
View
A
Retailer 4
-
$4,525 USD
£3,563 GBP
View
A
Retailer 5
-
$5,251 USD
View
A
Retailer 6
-
$5,927 USD
€5,645 EUR
View
Retailer 7
-
$11,226 USD
A$17,270 AUD
View
Price last confirmed 121 days ago
B
Retailer 8
-
$11,762 USD
View
B
Retailer 9
-
$13,160 USD
View
Most Expensive
B
Adiamor
D-72205685 · Nov 2
$14,151 USD
View
9 more retailers have this diamond
Prices start from $3,380 USDSave up to $10,771 USD

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
15.28ct Cushion
$3,380 USD