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Cushion|Lab Grown|IGI

15.18ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG720591603

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG720591603

Diamond specifications and retailer prices

From $4,466 AUD
$3,130 USD
As of November 2, 2026
Save $15,376 AUD (77%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $19,842 AUD at Adiamor · As of November 2, 2026
View at Adiamor

About this 15.18ct lab-grown cushion diamond

This 15.18ct 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 LG720591603 or 720591603. Listed at 7 retailers as of November 2, 2026, with prices from $4,466 to $19,842, a $15,376 spread on the same certified stone. Adiamor lists it at $19,842. 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

15.18
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720591603
Dimensions13.90 × 12.82 × 8.84 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.90 mm12.82 mm15.18 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720591603
Side View
Table 62.0%Crown 38.5°Girdle: THK-VTKPavilion 30.8°Culet: NoneDepth 69.0%

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: Nov 2
Current: $19,842 AUD|Low: $3,171 AUD|High: $36,357 AUD|Avg: $10,682 AUD|-0.2%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 13$3,171 AUD
Retailer 7$3,601 AUD
Retailer 9$4,460 AUD
Retailer 6$4,466 AUD
Retailer 10$5,280 AUD
Retailer 2$5,975 AUD
Retailer 5$6,883 AUD
Retailer 8$6,943 AUD
Retailer 12$7,445 AUD
Retailer 11$15,551 AUD
Retailer 4$15,905 AUD
Adiamor$19,842 AUD
Retailer 3$36,357 AUD

24 data points across 13 retailers

7 retailers$4,466 AUD to $19,842 AUD

Retailer 1
-
$4,460 AUD
$3,126 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$4,466 AUD
$3,130 USD
View
A
Retailer 3
-
$5,280 AUD
$3,700 USD
View
A
Retailer 4
-
$5,975 AUD
£3,297 GBP
View
A
Retailer 5
-
$6,943 AUD
$4,866 USD
View
B
Retailer 6
-
$15,551 AUD
$10,898 USD
View
Most Expensive
B
Adiamor
D-77578250 · Nov 2
$19,842 AUD
$13,906 USD
View
6 more retailers have this diamond
Prices start from $4,466 AUDSave up to $15,376 AUD

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
15.18ct Cushion
$4,466 AUD