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Cushion|Lab Grown|IGI

1.55ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG500164809

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG500164809

Diamond specifications and retailer prices

From $343 USD
As of October 28, 2026
Save $1,677 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,020 USD at Brilliant Earth · As of October 22, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG500164809 or 500164809. Listed at 15 retailers as of October 22, 2026, with prices from $343 to $2,020, a $1,677 spread on the same certified stone. Brilliant Earth lists it at $2,020. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500164809
Dimensions6.52 × 6.43 × 4.26 mm
L/W Ratio1.01
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
6.52 mm6.43 mm1.55 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500164809
Side View
Table 61.5%Crown 39.1°Girdle: THN-VTKPavilion 34.4°Culet: NoneDepth 66.3%

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: Oct 28
Current: $2,020 USD|Low: $212 USD|High: $2,020 USD|Avg: $761 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
October 29, 2026
Retailer 6$212 USD
Retailer 14$343 USD
Retailer 11$379 USD
Retailer 13$548 USD
Retailer 8$550 USD
Retailer 5$565 USD
Retailer 9$616 USD
Retailer 7$671 USD
Retailer 4$715 USD
Retailer 10$1,058 USD
Retailer 3$1,215 USD
Retailer 12$1,336 USD
Retailer 2$1,529 USD
Brilliant Earth$2,020 USD

41 data points across 14 retailers

15 retailers$343 USD to $2,020 USD

A
Cheapest Retailer
-
$343 USD
Final sale: no returns
A
Retailer 2
-
$379 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$548 USD
View
A
Retailer 4
-
$550 USD
View
A
Retailer 5
-
$565 USD
View
A
Retailer 6
-
$616 USD
€587 EUR
View
B+
Retailer 7
-
$671 USD
£528 GBP
View
B+
Retailer 8
-
$715 USD
View
B+
Retailer 9
-
$1,058 USD
A$1,628 AUD
View
B
Retailer 10
-
$1,215 USD
SGD 1,642 SGD
View
Price last confirmed 17 days ago
B
Retailer 11
-
$1,267 USD
View
B
Retailer 12
-
$1,336 USD
View
B
Retailer 13
-
$1,459 USD
View
B
Retailer 14
-
$1,529 USD
£1,204 GBP
View
Most Expensive
B
Brilliant Earth
20666714A · Oct 22
$2,020 USD
View
14 more retailers have this diamond
Prices start from $343 USDSave up to $1,677 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
$343 USD