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Cushion|Lab Grown|IGI

1.50ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG526288479

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG526288479

Diamond specifications and retailer prices

From $329 AUD
$231 USD
As of October 30, 2026
Save $2,447 AUD (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,776 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG526288479 or 526288479. Listed at 16 retailers as of October 28, 2026, with prices from $329 to $2,776, a $2,447 spread on the same certified stone. Brilliant Earth lists it at $2,776. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526288479
Dimensions6.30 × 6.30 × 6.57 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.30 mm6.30 mm1.50 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526288479
Side View
Table 60.0%Crown 37.6°Girdle: STK-THKPavilion 35.7°Culet: NoneDepth 68.6%

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 30
Current: $2,776 AUD|Low: $329 AUD|High: $2,776 AUD|Avg: $947 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
October 30, 2026
Retailer 12$329 AUD
Retailer 10$366 AUD
Retailer 6$491 AUD
Retailer 5$598 AUD
Retailer 2$675 AUD
Retailer 4$742 AUD
Retailer 11$836 AUD
Retailer 8$944 AUD
Retailer 9$1,364 AUD
Retailer 3$1,432 AUD
Retailer 7$1,470 AUD
Brilliant Earth$2,776 AUD

43 data points across 12 retailers

16 retailers$329 AUD to $2,776 AUD

A
Cheapest Retailer
-
$329 AUD
$231 USD
Final sale: no returns
A
Retailer 2
-
$366 AUD
$257 USD
View
B+
Retailer 3
-
$491 AUD
$345 USD
View
A
Retailer 4
-
$598 AUD
€400 EUR
View
A
Retailer 5
-
$675 AUD
£373 GBP
View
A
Retailer 6
-
$715 AUD
$502 USD
View
A
Retailer 7
-
$742 AUD
$521 USD
View
B+
Retailer 8
-
$836 AUD
$587 USD
View
B+
Retailer 9
-
$944 AUD
$663 USD
View
B+
Retailer 10
-
$1,253 AUD
$880 USD
View
B+
Retailer 11
-
$1,364 AUD
View
B
Retailer 12
-
$1,432 AUD
£792 GBP
View
B
Retailer 13
-
$1,462 AUD
$1,027 USD
View
B+
Retailer 14
-
$1,470 AUD
£813 GBP
View
B
Retailer 15
-
$1,733 AUD
$1,217 USD
View
Most Expensive
B
Brilliant Earth
10788644A · Oct 28
$2,776 AUD
$1,950 USD
View
15 more retailers have this diamond
Prices start from $329 AUDSave up to $2,447 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
1.50ct Cushion
$329 AUD