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Cushion|Lab Grown|IGI

1.83ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG478107094

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG478107094

Diamond specifications and retailer prices

From $761 CAD
$544 USD
As of October 27, 2026
Save $2,806 CAD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,514 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.83ct lab-grown cushion diamond

This 1.83ct 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 top-tier cut grade and certified by IGI LG478107094 or 478107094. Listed at 12 retailers as of October 27, 2026, with a 369% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.83
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478107094
Dimensions7.22 × 6.91 × 4.72 mm
L/W Ratio1.04
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
7.22 mm6.91 mm1.83 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478107094
Side View
Table 61.5%Crown 36.8°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 68.3%

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 27
Current: $5,514 CAD|Low: $770 CAD|High: $5,514 CAD|Avg: $2,141 CAD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 7$770 CAD
Retailer 4$1,092 CAD
Retailer 10$1,121 CAD
Retailer 9$1,209 CAD
Retailer 2$1,409 CAD
Retailer 6$1,722 CAD
Retailer 8$2,197 CAD
Retailer 5$3,205 CAD
Retailer 3$3,567 CAD
Do Amore Diamonds$5,514 CAD

43 data points across 10 retailers

12 retailers$761 CAD to $3,567 CAD

A
Cheapest Retailer
-
$761 CAD
$544 USD
A
Retailer 2
-
$770 CAD
$550 USD
View
B+
Retailer 3
-
$973 CAD
$695 USD
View
B+
Retailer 4
-
$1,092 CAD
£614 GBP
View
B+
Retailer 5
-
$1,121 CAD
$801 USD
View
B+
Retailer 6
-
$1,209 CAD
$864 USD
View
B+
Retailer 7
-
$1,409 CAD
£793 GBP
View
B
Retailer 8
-
$1,722 CAD
$1,230 USD
View
B
Retailer 9
-
$2,197 CAD
$1,570 USD
View
B
Retailer 10
-
$3,205 CAD
View
B
Retailer 11
-
$3,567 CAD
£2,007 GBP
View
Most Expensive
B
Do Amore Diamonds
27-BF41D4A58 · Oct 29
$5,514 CAD
$3,940 USD
View
Price under review
11 more retailers have this diamond
Prices start from $761 CADSave up to $2,806 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
1.83ct Cushion
$761 CAD