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Cushion|Lab Grown|IGI

1.55ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG657463076

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG657463076

Diamond specifications and retailer prices

From $301 USD
As of November 4, 2026
Save $1,115 USD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,416 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 LG657463076 or 657463076. Listed at 18 retailers as of November 4, 2026, with prices from $301 to $1,416, a $1,115 spread on the same certified stone. Reve Diamonds lists it at $1,416. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG657463076
Dimensions6.61 × 6.60 × 4.51 mm
L/W Ratio1.00
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
6.61 mm6.60 mm1.55 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG657463076
Side View
Table 64.0%Crown 33.6°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 68.3%

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: Nov 4
Current: $581 USD|Low: $301 USD|High: $1,356 USD|Avg: $705 USD|+2.3%
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
November 4, 2026
Retailer 4$301 USD
Retailer 13$334 USD
Retailer 5$450 USD
Retailer 10$495 USD
Retailer 7$576 USD
Retailer 1$581 USD
Retailer 9$597 USD
Retailer 3$598 USD
Retailer 6$783 USD
Retailer 11$800 USD
Retailer 12$1,051 USD
Retailer 2$1,228 USD
Retailer 8$1,339 USD

43 data points across 13 retailers

18 retailers$301 USD to $1,416 USD

A
Cheapest Retailer
-
$301 USD
Final sale: no returns
Retailer 2
-
$334 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$371 USD
View
B+
Retailer 4
-
$450 USD
View
A
Retailer 5
-
$495 USD
View
A
Retailer 6
-
$558 USD
View
A
Retailer 7
-
$576 USD
View
A
Retailer 8
-
$581 USD
View
A
Retailer 9
-
$597 USD
View
A
Retailer 10
-
$598 USD
View
B+
Retailer 11
-
$783 USD
View
B+
Retailer 12
-
$800 USD
View
B+
Retailer 13
-
$1,051 USD
View
B
Retailer 14
-
$1,075 USD
View
B
Retailer 15
-
$1,125 USD
View
B
Retailer 16
-
$1,228 USD
View
B
Retailer 17
-
$1,339 USD
View
Most Expensive
B
Reve Diamonds
56DAE286C · Nov 4
$1,416 USD
View
17 more retailers have this diamond
Prices start from $301 USDSave up to $1,115 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
$301 USD