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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 $10,235 AUD
£5,648 GBP
As of November 2, 2026
Save $33,985 AUD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $44,220 AUD 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 $10,235 to $44,220, a $33,985 spread on the same certified stone. Brilliant Earth lists it at $44,220. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $44,220 AUD|Low: $10,232 AUD|High: $44,220 AUD|Avg: $18,862 AUD
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 8$10,235 AUD
Retailer 7$12,007 AUD
Retailer 4$12,304 AUD
Retailer 3$12,657 AUD
Retailer 6$12,744 AUD
Retailer 14$13,350 AUD
Retailer 15$14,757 AUD
Retailer 9$15,580 AUD
Retailer 12$19,728 AUD
Retailer 2$21,145 AUD
Retailer 11$21,568 AUD
Retailer 10$24,257 AUD
Retailer 13$24,406 AUD
Retailer 5$35,484 AUD
Brilliant Earth$44,220 AUD

41 data points across 15 retailers

16 retailers$10,235 AUD to $44,220 AUD

A
Cheapest Retailer
-
$10,235 AUD
£5,648 GBP
B+
Retailer 2
-
$12,007 AUD
$8,415 USD
View
B+
Retailer 3
-
$12,304 AUD
$8,623 USD
View
Final sale: no returns
B+
Retailer 4
-
$12,657 AUD
$8,870 USD
View
Retailer 5
-
$12,744 AUD
$8,931 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$13,350 AUD
$9,356 USD
View
B+
Retailer 7
-
$14,757 AUD
$10,342 USD
View
B+
Retailer 8
-
$15,580 AUD
£8,597 GBP
View
B
Retailer 9
-
$19,728 AUD
ZAR 223,355 ZAR
View
B
Retailer 10
-
$21,145 AUD
€14,113 EUR
View
B
Retailer 11
-
$21,568 AUD
View
B
Retailer 12
-
$24,257 AUD
View
B
Retailer 13
-
$24,406 AUD
$17,104 USD
View
B
Retailer 14
-
$35,484 AUD
$24,868 USD
View
B
Retailer 15
-
$42,036 AUD
$29,460 USD
View
Most Expensive
B
Brilliant Earth
20602767A · Nov 2
$44,220 AUD
$30,990 USD
View
15 more retailers have this diamond
Prices start from $10,235 AUDSave up to $33,985 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
15.09ct Cushion
$10,235 AUD