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Cushion|Lab Grown|IGI

15.04ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG728503811

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG728503811

Diamond specifications and retailer prices

From $4,092 AUD
£2,258 GBP
As of October 27, 2026
Save $20,638 AUD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $24,730 AUD at With Clarity · As of November 2, 2026
View at With Clarity

About this 15.04ct lab-grown cushion diamond

This 15.04ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG728503811 or 728503811. Listed at 17 retailers as of October 27, 2026, with prices from $4,092 to $24,730, a $20,638 spread on the same certified stone. With Clarity lists it at $24,730. 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

15.04
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728503811
Dimensions16.04 × 12.57 × 8.18 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.04 mm12.57 mm15.04 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728503811
Side View
Table 65.0%Crown 35°Girdle: MED-THKPavilion 31.9°Culet: NoneDepth 65.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $6,393 AUD|Low: $4,077 AUD|High: $24,915 AUD|Avg: $9,813 AUD|-8.2%
Retailer 1
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
Retailer 16
With Clarity
November 2, 2026
Retailer 14$4,092 AUD
Retailer 6$4,903 AUD
Retailer 2$5,716 AUD
Retailer 11$5,717 AUD
Retailer 1$6,393 AUD
Retailer 13$6,535 AUD
Retailer 15$6,692 AUD
Retailer 9$7,463 AUD
Retailer 16$7,829 AUD
Retailer 3$7,892 AUD
Retailer 5$9,430 AUD
Retailer 8$9,510 AUD
Retailer 4$14,083 AUD
Retailer 12$16,354 AUD
Retailer 7$17,696 AUD
Retailer 10$20,623 AUD
With Clarity$24,730 AUD

28 data points across 17 retailers

17 retailers$4,092 AUD to $24,730 AUD

A
Cheapest Retailer
-
$4,092 AUD
£2,258 GBP
Retailer 2
-
$5,716 AUD
$4,006 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$5,717 AUD
HK$31,300 HKD
View
A
Retailer 4
-
$6,393 AUD
$4,480 USD
View
Retailer 5
-
$6,535 AUD
$4,580 USD
View
Price last confirmed 6 days ago
A
Retailer 6
-
$6,692 AUD
£3,693 GBP
View
A
Retailer 7
-
$7,463 AUD
€4,981 EUR
View
Retailer 8
-
$7,829 AUD
ZAR 88,640 ZAR
View
Price last confirmed 9 days ago
Retailer 9
-
$7,892 AUD
$5,531 USD
View
Price last confirmed 7 days ago
Retailer 10
-
$9,430 AUD
View
Price last confirmed 11 days ago
Retailer 11
-
$9,510 AUD
$6,665 USD
View
Price last confirmed 12 days ago
Retailer 12
-
$14,083 AUD
$9,870 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$16,354 AUD
View
Retailer 14
-
$17,696 AUD
$12,402 USD
View
Price last confirmed 7 days ago
B
Retailer 15
-
$20,623 AUD
$14,453 USD
View
B
Retailer 16
-
$21,560 AUD
$15,110 USD
View
Most Expensive
B
With Clarity
728503811 · Nov 2
$24,730 AUD
$17,331 USD
View
16 more retailers have this diamond
Prices start from $4,092 AUDSave up to $20,638 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
15.04ct Cushion
$4,092 AUD