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Cushion|Lab Grown|IGI

1.55ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG665439438

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG665439438

Diamond specifications and retailer prices

From $302 USD
As of November 4, 2026
Save $1,116 USD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,418 USD at Reve Diamonds · As of November 4, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG665439438 or 665439438. Listed at 17 retailers as of November 4, 2026, with prices from $302 to $1,418, a $1,116 spread on the same certified stone. Reve Diamonds lists it at $1,418. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665439438
Dimensions6.78 × 6.64 × 4.44 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
6.78 mm6.64 mm1.55 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665439438
Side View
Table 62.0%Crown 36.7°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 66.9%

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: Nov 4
Current: $372 USD|Low: $251 USD|High: $1,418 USD|Avg: $766 USD|+19.2%
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
Reve Diamonds
November 4, 2026
Retailer 9$302 USD
Retailer 5$328 USD
Retailer 1$372 USD
Retailer 3$445 USD
Retailer 2$493 USD
Retailer 11$555 USD
Retailer 7$556 USD
Retailer 16$566 USD
Retailer 12$622 USD
Retailer 6$667 USD
Retailer 14$768 USD
Retailer 4$1,100 USD
Retailer 10$1,127 USD
Retailer 8$1,210 USD
Retailer 13$1,289 USD
Retailer 15$1,315 USD
Reve Diamonds$1,418 USD

36 data points across 17 retailers

17 retailers$302 USD to $1,418 USD

A
Cheapest Retailer
-
$302 USD
Final sale: no returns
Retailer 2
-
$328 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$372 USD
View
A
Retailer 4
-
$445 USD
View
A
Retailer 5
-
$493 USD
View
A
Retailer 6
-
$555 USD
View
A
Retailer 7
-
$556 USD
View
A
Retailer 8
-
$566 USD
View
B+
Retailer 9
-
$622 USD
View
B+
Retailer 10
-
$667 USD
View
B+
Retailer 11
-
$768 USD
View
Retailer 12
-
$1,100 USD
View
Price last confirmed 15 days ago
B
Retailer 13
-
$1,127 USD
View
B
Retailer 14
-
$1,210 USD
View
B
Retailer 15
-
$1,289 USD
View
B
Retailer 16
-
$1,315 USD
View
Most Expensive
B
Reve Diamonds
ABE21E39F · Nov 4
$1,418 USD
View
16 more retailers have this diamond
Prices start from $302 USDSave up to $1,116 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
$302 USD