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 $259 USD
As of October 30, 2026
Save $1,361 USD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,520 USD 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 18 retailers as of October 29, 2026, with a 525% 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
Color
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

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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: Oct 30
Current: $1,620 USD|Low: $259 USD|High: $2,520 USD|Avg: $934 USD|-35.7%
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
October 30, 2026
Retailer 5$259 USD
Retailer 6$287 USD
Retailer 10$305 USD
Retailer 7$425 USD
Retailer 12$478 USD
Retailer 13$494 USD
Retailer 11$542 USD
Retailer 14$671 USD
Retailer 8$976 USD
Retailer 4$1,018 USD
Retailer 15$1,153 USD
Retailer 2$1,170 USD
Retailer 9$1,208 USD
Retailer 3$1,295 USD
Retailer 16$1,340 USD
Brilliant Earth$1,620 USD

39 data points across 16 retailers

18 retailers$259 USD to $1,620 USD

A
Cheapest Retailer
-
$259 USD
Final sale: no returns
A
Retailer 2
-
$287 USD
View
A
Retailer 3
-
$305 USD
£240 GBP
View
B+
Retailer 4
-
$425 USD
View
A
Retailer 5
-
$478 USD
€455 EUR
View
A
Retailer 6
-
$494 USD
ZAR 7,977 ZAR
View
A
Retailer 7
-
$542 USD
£427 GBP
View
A
Retailer 8
-
$608 USD
View
A
Retailer 9
-
$671 USD
A$1,033 AUD
View
B+
Retailer 10
-
$976 USD
View
B+
Retailer 11
-
$1,018 USD
SGD 1,375 SGD
View
B+
Retailer 12
-
$1,153 USD
£908 GBP
View
B
Retailer 13
-
$1,170 USD
View
B+
Retailer 14
-
$1,208 USD
A$1,859 AUD
View
B
Retailer 15
-
$1,295 USD
View
Retailer 16
-
$1,340 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
$1,620 USD
View
Most Expensive
Brilliant Earth
20779070A · Sep 21
$2,520 USD
View
Price last confirmed 39 days ago
17 more retailers have this diamond
Prices start from $259 USDSave up to $1,361 USD

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
$259 USD