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Cushion|Lab Grown|IGI

1.55ct E SI1 Cushion Lab Grown Diamond

VG • E/SI1 • IGI LG825630871

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825630871

Diamond specifications and retailer prices

From $301 CAD
$215 USD
As of October 28, 2026
Save $1,333 CAD (82%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,634 CAD at Reve Diamonds · As of October 28, 2026
View at Reve 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG825630871 or 825630871. Listed at 8 retailers as of October 28, 2026, with prices from $301 to $1,634, a $1,333 spread on the same certified stone. Reve Diamonds lists it at $1,634. 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
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825630871
Dimensions7.51 × 5.99 × 4.14 mm
L/W Ratio1.25
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.51 mm5.99 mm1.55 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG825630871
Side View
Table 67.0%Crown 35.1°Girdle: STK-VTKPavilion 41.1°Culet: NoneDepth 69.1%

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 28
Current: $604 CAD|Low: $301 CAD|High: $1,634 CAD|Avg: $564 CAD|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Reve Diamonds
October 29, 2026
Retailer 6$301 CAD
Retailer 4$448 CAD
Retailer 2$563 CAD
Retailer 1$604 CAD
Retailer 5$661 CAD
Retailer 3$1,146 CAD
Reve Diamonds$1,634 CAD

19 data points across 7 retailers

8 retailers$301 CAD to $1,634 CAD

A
Cheapest Retailer
-
$301 CAD
$215 USD
Final sale: no returns
B+
Retailer 2
-
$448 CAD
$320 USD
View
B+
Retailer 3
-
$563 CAD
€383 EUR
View
A
Retailer 4
-
$604 CAD
£340 GBP
View
B+
Retailer 5
-
$661 CAD
$472 USD
View
B
Retailer 6
-
$1,146 CAD
$818 USD
View
B
Retailer 7
-
$1,540 CAD
$1,100 USD
View
Most Expensive
B
Reve Diamonds
69302FC56 · Oct 28
$1,634 CAD
$1,168 USD
View
7 more retailers have this diamond
Prices start from $301 CADSave up to $1,333 CAD

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
$301 CAD