Cushion|Lab Grown|IGI

1.50ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG690527439

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG690527439

Diamond specifications and retailer prices

From $322 USD
As of October 28, 2026
Save $1,238 USD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,950 USD at Brilliant Earth · As of October 18, 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 LG690527439 or 690527439. Listed at 18 retailers as of October 28, 2026, with a 384% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG690527439
Dimensions0.00 × 0.00 × 0.00 mm
L/W Ratio1.05
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
0.00 mm0.00 mm1.50 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG690527439
Side View
Table 63.0%Crown 37.3°Girdle: THK-VTKPavilion 38.6°Culet: NoneDepth 66.6%

Caratlytics Score

How it works →
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 28
Current: $1,950 USD|Low: $322 USD|High: $1,950 USD|Avg: $879 USD
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
October 29, 2026
Retailer 6$322 USD
Retailer 3$588 USD
Retailer 7$588 USD
Retailer 11$590 USD
Retailer 10$614 USD
Retailer 5$628 USD
Retailer 2$630 USD
Retailer 4$692 USD
Retailer 9$831 USD
Retailer 13$1,220 USD
Retailer 14$1,244 USD
Retailer 12$1,370 USD
Retailer 8$1,441 USD
Brilliant Earth$1,950 USD

40 data points across 14 retailers

18 retailers$322 USD to $1,560 USD

A
Cheapest Retailer
-
$322 USD
Final sale: no returns
A
Retailer 2
-
$588 USD
€560 EUR
View
A
Retailer 3
-
$588 USD
View
A
Retailer 4
-
$590 USD
View
A
Retailer 5
-
$614 USD
ZAR 9,927 ZAR
View
A
Retailer 6
-
$628 USD
View
A
Retailer 7
-
$630 USD
£496 GBP
View
A
Retailer 8
-
$692 USD
View
Retailer 9
-
$830 USD
A$1,277 AUD
View
Price last confirmed 32 days ago
B+
Retailer 10
-
$831 USD
A$1,279 AUD
View
B
Retailer 11
-
$1,199 USD
View
B+
Retailer 12
-
$1,220 USD
View
Retailer 13
-
$1,244 USD
A$1,914 AUD
View
Price last confirmed 22 days ago
Retailer 14
-
$1,370 USD
View
Price last confirmed 8 days ago
B
Retailer 15
-
$1,376 USD
View
B
Retailer 16
-
$1,441 USD
£1,135 GBP
View
B
Retailer 17
-
$1,560 USD
View
Most Expensive
Brilliant Earth
13457785A · Oct 18
$1,950 USD
View
Price last confirmed 11 days ago
17 more retailers have this diamond
Prices start from $322 USDSave up to $1,238 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
$322 USD