Cushion|Lab Grown|IGI

1.55ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG811646854

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG811646854

Diamond specifications and retailer prices

From $352 USD
As of October 30, 2026
Save $828 USD (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,180 USD at Brilliant Earth · As of October 29, 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811646854 or 811646854. Listed at 12 retailers as of October 29, 2026, with prices from $352 to $1,180, a $828 spread on the same certified stone. Brilliant Earth lists it at $1,180. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811646854
Dimensions6.85 × 6.44 × 4.24 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.85 mm6.44 mm1.55 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811646854
Side View
Table 66.0%Crown 31.6°Girdle: MED-VTKPavilion 38.5°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,180 USD|Low: $261 USD|High: $1,220 USD|Avg: $737 USD|-3.3%
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
October 30, 2026
Retailer 12$261 USD
Retailer 13$352 USD
Retailer 7$436 USD
Retailer 6$482 USD
Retailer 4$512 USD
Retailer 11$677 USD
Retailer 3$849 USD
Retailer 5$892 USD
Retailer 8$894 USD
Retailer 10$1,015 USD
Retailer 2$1,019 USD
Retailer 9$1,048 USD
Brilliant Earth$1,180 USD

43 data points across 13 retailers

12 retailers$352 USD to $1,180 USD

B+
Cheapest Retailer
-
$352 USD
A
Retailer 2
-
$436 USD
€415 EUR
View
A
Retailer 3
-
$482 USD
£380 GBP
View
A
Retailer 4
-
$512 USD
View
B+
Retailer 5
-
$677 USD
View
B+
Retailer 6
-
$849 USD
SGD 1,147 SGD
View
Retailer 7
-
$892 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$894 USD
A$1,375 AUD
View
Retailer 9
-
$1,015 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$1,019 USD
View
B+
Retailer 11
-
$1,048 USD
£825 GBP
View
Most Expensive
B
Brilliant Earth
21203800A · Oct 29
$1,180 USD
View
11 more retailers have this diamond
Prices start from $352 USDSave up to $828 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
$352 USD