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Cushion|Lab Grown|IGI

1.50ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG823636389

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

Certificate IGI LG823636389

Diamond specifications and retailer prices

From $350 AUD
$246 USD
As of October 31, 2026
Save $1,956 AUD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,587 AUD at Brilliant Earth · As of September 21, 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG823636389 or 823636389. Listed at 19 retailers as of October 29, 2026, with a 559% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823636389
Dimensions6.74 × 6.72 × 4.27 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.74 mm6.72 mm1.50 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823636389
Side View
Table 62.0%Crown 32.7°Girdle: MED-THKPavilion 39°Culet: NoneDepth 63.5%

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 31
Current: $2,306 AUD|Low: $350 AUD|High: $2,306 AUD|Avg: $1,197 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
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 14$350 AUD
Retailer 10$409 AUD
Retailer 4$434 AUD
Retailer 18$524 AUD
Retailer 2$646 AUD
Retailer 5$703 AUD
Retailer 15$724 AUD
Retailer 11$860 AUD
Retailer 6$956 AUD
Retailer 17$1,012 AUD
Retailer 16$1,258 AUD
Retailer 13$1,326 AUD
Retailer 12$1,421 AUD
Retailer 7$1,642 AUD
Retailer 3$1,720 AUD
Retailer 9$1,844 AUD
Retailer 8$1,908 AUD
Brilliant Earth$2,306 AUD

35 data points across 18 retailers

19 retailers$350 AUD to $2,306 AUD

A
Cheapest Retailer
-
$350 AUD
$246 USD
Final sale: no returns
A
Retailer 2
-
$409 AUD
$287 USD
View
A
Retailer 3
-
$434 AUD
£240 GBP
View
B+
Retailer 4
-
$524 AUD
$368 USD
View
A
Retailer 5
-
$646 AUD
€432 EUR
View
A
Retailer 6
-
$703 AUD
ZAR 7,977 ZAR
View
A
Retailer 7
-
$724 AUD
£400 GBP
View
A
Retailer 8
-
$860 AUD
$604 USD
View
A
Retailer 9
-
$956 AUD
View
B+
Retailer 10
-
$1,012 AUD
$711 USD
View
B+
Retailer 11
-
$1,258 AUD
SGD 1,194 SGD
View
B+
Retailer 12
-
$1,326 AUD
$932 USD
View
B+
Retailer 13
-
$1,421 AUD
$998 USD
View
B+
Retailer 14
-
$1,642 AUD
£908 GBP
View
B+
Retailer 15
-
$1,720 AUD
View
B
Retailer 16
-
$1,844 AUD
$1,295 USD
View
Retailer 17
-
$1,908 AUD
$1,340 USD
View
Price last confirmed 10 days ago
B
Retailer 18
-
$2,306 AUD
$1,620 USD
View
Most Expensive
Brilliant Earth
20779070A · Sep 21
$3,587 AUD
$2,520 USD
View
Price last confirmed 40 days ago
18 more retailers have this diamond
Prices start from $350 AUDSave up to $1,956 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
$350 AUD