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Cushion|Lab Grown|IGI

1.50ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG665428533

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

Certificate IGI LG665428533

Diamond specifications and retailer prices

From $328 USD
As of October 30, 2026
Save $1,357 USD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,685 USD at Blue Nile · As of October 29, 2026
View at Blue Nile

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 LG665428533 or 665428533. Listed at 17 retailers as of October 29, 2026, with prices from $328 to $1,685, a $1,357 spread on the same certified stone. Blue Nile lists it at $1,685. 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 angle34.8°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665428533
Dimensions6.71 × 6.60 × 4.31 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.71 mm6.60 mm1.50 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665428533
Side View
Table 63.0%Crown 34.8°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 65.3%

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 30
Current: $1,685 USD|Low: $281 USD|High: $2,660 USD|Avg: $942 USD
Blue Nile
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 30, 2026
Retailer 6$328 USD
Retailer 16$364 USD
Retailer 17$387 USD
Retailer 18$500 USD
Retailer 11$546 USD
Retailer 8$597 USD
Retailer 14$626 USD
Retailer 5$630 USD
Retailer 2$645 USD
Retailer 4$698 USD
Retailer 13$847 USD
Retailer 7$1,219 USD
Retailer 15$1,345 USD
Retailer 3$1,399 USD
Retailer 12$1,467 USD
Retailer 9$1,492 USD
Blue Nile$1,685 USD
Retailer 10$2,660 USD

38 data points across 18 retailers

17 retailers$328 USD to $1,685 USD

A
Cheapest Retailer
-
$328 USD
Final sale: no returns
A
Retailer 2
-
$364 USD
View
Retailer 3
-
$387 USD
£305 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
$500 USD
View
A
Retailer 5
-
$546 USD
€520 EUR
View
A
Retailer 6
-
$597 USD
View
A
Retailer 7
-
$626 USD
ZAR 10,107 ZAR
View
A
Retailer 8
-
$630 USD
View
A
Retailer 9
-
$645 USD
£508 GBP
View
B+
Retailer 10
-
$698 USD
View
B+
Retailer 11
-
$847 USD
A$1,303 AUD
View
B
Retailer 12
-
$1,219 USD
View
Retailer 13
-
$1,345 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$1,399 USD
View
B
Retailer 15
-
$1,467 USD
£1,155 GBP
View
B
Retailer 16
-
$1,492 USD
View
Most Expensive
B
Blue Nile
25261211 · Oct 29
$1,685 USD
View
16 more retailers have this diamond
Prices start from $328 USDSave up to $1,357 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
$328 USD