Cushion|Lab Grown|IGI

1.55ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG665408877

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG665408877

Diamond specifications and retailer prices

From $951 USD
As of November 3, 2026
17 retailers carry this diamond
Most expensive: $2,200 USD at Brilliant Earth · As of October 15, 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 LG665408877 or 665408877. Listed at 17 retailers as of November 3, 2026. 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 angle37.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665408877
Dimensions7.91 × 6.24 × 4.20 mm
L/W Ratio1.27
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
7.91 mm6.24 mm1.55 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665408877
Side View
Table 61.0%Crown 37.5°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 67.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 3
Current: $2,200 USD|Low: $265 USD|High: $2,200 USD|Avg: $792 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
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Retailer 17
October 27, 2026
Retailer 10$266 USD
Retailer 17$296 USD
Retailer 3$499 USD
Retailer 13$500 USD
Retailer 15$548 USD
Retailer 2$553 USD
Retailer 11$556 USD
Retailer 12$689 USD
Retailer 16$775 USD
Retailer 9$932 USD
Retailer 6$1,002 USD
Retailer 7$1,051 USD
Retailer 14$1,105 USD
Retailer 8$1,123 USD
Retailer 5$1,187 USD
Retailer 4$1,316 USD
Brilliant Earth$2,200 USD

37 data points across 17 retailers

17 retailers

Retailer 1
-
$296 USD
Price last confirmed 11 days ago
Retailer 2
-
$499 USD
View
Price last confirmed 10 days ago
Retailer 3
-
$500 USD
View
Price last confirmed 13 days ago
Retailer 4
-
$547 USD
View
Price last confirmed 9 days ago
Retailer 5
-
$548 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$553 USD
View
Price last confirmed 9 days ago
Retailer 7
-
$556 USD
View
Price last confirmed 9 days ago
Retailer 8
-
$689 USD
View
Price last confirmed 12 days ago
Retailer 9
-
$775 USD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$951 USD
View
Retailer 11
-
$1,002 USD
View
Price last confirmed 9 days ago
Retailer 12
-
$1,051 USD
View
Price last confirmed 27 days ago
Retailer 13
-
$1,105 USD
View
Price last confirmed 17 days ago
Retailer 14
-
$1,123 USD
View
Price last confirmed 10 days ago
Retailer 15
-
$1,187 USD
View
Price last confirmed 10 days ago
Retailer 16
-
$1,316 USD
View
Price last confirmed 11 days ago
Most Expensive
Brilliant Earth
13235139A · Oct 15
$2,200 USD
View
Price last confirmed 20 days ago
16 more retailers have this diamond
Prices start from $951 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.

B+
1.55ct Cushion
$951 USD