Cushion|Lab Grown|IGI

1.55ct D VS1 Cushion Lab Grown Diamond

GD • D/VS1 • IGI LG841648476

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG841648476

Diamond specifications and retailer prices

From $273 USD
As of November 3, 2026
Save $1,708 USD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,981 USD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg 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 standard cut grade and certified by IGI LG841648476 or 841648476. Listed at 19 retailers as of November 3, 2026, with prices from $273 to $1,981, a $1,708 spread on the same certified stone. Helzberg Diamonds lists it at $1,981. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.55
Carat
D
Color
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841648476
Dimensions8.15 × 6.03 × 4.13 mm
L/W Ratio1.35
Girdle conditionFaceted
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
8.15 mm6.03 mm1.55 ctD / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841648476
Side View
Table 58.0%Crown 32.2°Girdle: MED-THKPavilion 36.5°Culet: NoneDepth 68.5%

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 3
Current: $1,981 USD|Low: $273 USD|High: $1,981 USD|Avg: $816 USD
Helzberg Diamonds
Retailer 2
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Retailer 19
November 5, 2026
Retailer 5$273 USD
Retailer 12$328 USD
Retailer 10$499 USD
Retailer 18$510 USD
Retailer 19$511 USD
Retailer 7$547 USD
Retailer 9$548 USD
Retailer 13$553 USD
Retailer 16$690 USD
Retailer 17$783 USD
Retailer 8$950 USD
Retailer 11$1,002 USD
Retailer 3$1,036 USD
Retailer 6$1,105 USD
Retailer 14$1,122 USD
Retailer 2$1,181 USD
Retailer 4$1,316 USD
Retailer 15$1,880 USD
Helzberg Diamonds$1,981 USD

22 data points across 19 retailers

19 retailers$273 USD to $1,981 USD

A
Cheapest Retailer
-
$273 USD
Final sale: no returns
A
Retailer 2
-
$328 USD
View
B+
Retailer 3
-
$499 USD
View
B+
Retailer 4
-
$510 USD
View
A
Retailer 5
-
$511 USD
View
B+
Retailer 6
-
$547 USD
View
B+
Retailer 7
-
$548 USD
View
A
Retailer 8
-
$553 USD
View
B+
Retailer 9
-
$690 USD
View
B+
Retailer 10
-
$783 USD
View
B
Retailer 11
-
$950 USD
View
B
Retailer 12
-
$1,002 USD
View
B
Retailer 13
-
$1,036 USD
View
Retailer 14
-
$1,105 USD
View
Price last confirmed 15 days ago
B
Retailer 15
-
$1,122 USD
View
B
Retailer 16
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$1,181 USD
View
B
Retailer 17
-
$1,316 USD
View
C
Retailer 18
-
$1,880 USD
View
Most Expensive
C
Helzberg Diamonds
ZXZOKHMKOKNM · Nov 4
$1,981 USD
View
18 more retailers have this diamond
Prices start from $273 USDSave up to $1,708 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
$273 USD