Cushion|Lab Grown|IGI

1.55ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG797675381

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG797675381

Diamond specifications and retailer prices

From $293 USD
As of November 4, 2026
Save $1,797 USD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,090 USD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

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 LG797675381 or 797675381. Listed at 19 retailers as of November 3, 2026, with prices from $293 to $2,090, a $1,797 spread on the same certified stone. Brilliant Earth lists it at $2,090. 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 angle34.4°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797675381
Dimensions7.00 × 7.21 × 4.46 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.00 mm7.21 mm1.55 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797675381
Side View
Table 62.0%Crown 34.4°Girdle: MED-STKPavilion 42.3°Culet: NoneDepth 63.7%

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: Nov 4
Current: $2,090 USD|Low: $293 USD|High: $2,090 USD|Avg: $831 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 4, 2026
Retailer 9$293 USD
Retailer 4$325 USD
Retailer 18$371 USD
Retailer 12$495 USD
Retailer 17$527 USD
Retailer 8$542 USD
Retailer 10$556 USD
Retailer 16$560 USD
Retailer 2$615 USD
Retailer 5$664 USD
Retailer 13$760 USD
Retailer 15$837 USD
Retailer 3$1,007 USD
Retailer 19$1,064 USD
Retailer 7$1,278 USD
Retailer 14$1,301 USD
Retailer 6$1,391 USD
Retailer 11$1,563 USD
Brilliant Earth$2,090 USD

39 data points across 19 retailers

19 retailers$293 USD to $2,090 USD

A
Cheapest Retailer
-
$293 USD
Final sale: no returns
Retailer 2
-
$325 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$371 USD
View
A
Retailer 4
-
$495 USD
View
A
Retailer 5
-
$527 USD
View
A
Retailer 6
-
$542 USD
View
A
Retailer 7
-
$556 USD
View
A
Retailer 8
-
$560 USD
View
A
Retailer 9
-
$615 USD
View
B+
Retailer 10
-
$664 USD
View
B+
Retailer 11
-
$760 USD
View
B+
Retailer 12
-
$837 USD
View
B+
Retailer 13
-
$1,007 USD
View
B
Retailer 14
-
$1,064 USD
View
B
Retailer 15
-
$1,278 USD
View
B
Retailer 16
-
$1,301 USD
View
B
Retailer 17
-
$1,391 USD
View
B
Retailer 18
-
$1,563 USD
View
Most Expensive
B
Brilliant Earth
22478102A · Nov 3
$2,090 USD
View
18 more retailers have this diamond
Prices start from $293 USDSave up to $1,797 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
$293 USD