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Cushion|Lab Grown|IGI

1.55ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG662455619

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG662455619

Diamond specifications and retailer prices

From $287 USD
As of October 28, 2026
Save $1,088 USD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,375 USD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.55ct lab-grown cushion diamond

This 1.55ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG662455619 or 662455619. Listed at 17 retailers as of October 28, 2026, with prices from $287 to $1,375, a $1,088 spread on the same certified stone. Reve Diamonds lists it at $1,375. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662455619
Dimensions6.72 × 6.63 × 4.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.72 mm6.63 mm1.55 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662455619
Side View
Table 61.0%Crown 36.6°Girdle: MED-STKPavilion 39°Culet: NoneDepth 67.3%

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 28
Current: $547 USD|Low: $237 USD|High: $1,375 USD|Avg: $730 USD|+23.9%
Retailer 1
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
Reve Diamonds
October 28, 2026
Retailer 6$287 USD
Retailer 16$318 USD
Retailer 8$361 USD
Retailer 15$435 USD
Retailer 12$481 USD
Retailer 7$531 USD
Retailer 4$545 USD
Retailer 1$547 USD
Retailer 10$605 USD
Retailer 2$658 USD
Retailer 11$742 USD
Retailer 9$960 USD
Retailer 14$1,025 USD
Retailer 5$1,075 USD
Retailer 17$1,143 USD
Retailer 3$1,253 USD
Retailer 13$1,278 USD
Reve Diamonds$1,375 USD

38 data points across 18 retailers

17 retailers$287 USD to $1,375 USD

A
Cheapest Retailer
-
$287 USD
Final sale: no returns
A
Retailer 2
-
$318 USD
View
A
Retailer 3
-
$361 USD
£284 GBP
View
Price last confirmed 19 days ago
A
Retailer 4
-
$435 USD
View
A
Retailer 5
-
$481 USD
€458 EUR
View
A
Retailer 6
-
$531 USD
View
A
Retailer 7
-
$545 USD
View
A
Retailer 8
-
$547 USD
ZAR 8,836 ZAR
View
B+
Retailer 9
-
$605 USD
£476 GBP
View
B+
Retailer 10
-
$658 USD
View
B+
Retailer 11
-
$742 USD
A$1,142 AUD
View
B+
Retailer 12
-
$1,025 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$1,075 USD
View
B
Retailer 14
-
$1,143 USD
View
B
Retailer 15
-
$1,253 USD
View
B
Retailer 16
-
$1,278 USD
£1,006 GBP
View
Most Expensive
B
Reve Diamonds
D3C138ADA · Oct 28
$1,375 USD
View
16 more retailers have this diamond
Prices start from $287 USDSave up to $1,088 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
1.55ct Cushion
$287 USD