CaratHunter
Plans
Cushion|Lab Grown|IGI

1.83ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG492129086

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG492129086

Diamond specifications and retailer prices

From $393 CAD
$281 USD
As of October 28, 2026
Save $3,442 CAD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,835 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 LG492129086 or 492129086. Listed at 16 retailers as of October 28, 2026, with prices from $393 to $3,835, a $3,442 spread on the same certified stone. Do Amore Diamonds lists it at $3,835. 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 angle36.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492129086
Dimensions7.41 × 6.86 × 4.72 mm
L/W Ratio1.08
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
7.41 mm6.86 mm1.83 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492129086
Side View
Table 59.0%Crown 36.3°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 68.8%

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 28
Current: $3,835 CAD|Low: $393 CAD|High: $3,835 CAD|Avg: $1,355 CAD|+22.9%
Do Amore Diamonds
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 29, 2026
Retailer 4$393 CAD
Retailer 9$535 CAD
Retailer 8$721 CAD
Retailer 10$721 CAD
Retailer 7$760 CAD
Retailer 11$782 CAD
Retailer 2$1,059 CAD
Retailer 5$1,409 CAD
Retailer 3$1,747 CAD
Retailer 12$2,121 CAD
Retailer 13$2,173 CAD
Retailer 6$2,378 CAD
Do Amore Diamonds$3,835 CAD

39 data points across 13 retailers

16 retailers$393 CAD to $3,835 CAD

A
Cheapest Retailer
-
$393 CAD
$281 USD
Final sale: no returns
A
Retailer 2
-
$535 CAD
$382 USD
View
Retailer 3
-
$622 CAD
£350 GBP
View
Price last confirmed 34 days ago
A
Retailer 4
-
$721 CAD
$515 USD
View
A
Retailer 5
-
$721 CAD
$515 USD
View
A
Retailer 6
-
$760 CAD
£428 GBP
View
A
Retailer 7
-
$782 CAD
$559 USD
View
B+
Retailer 8
-
$1,059 CAD
£596 GBP
View
B+
Retailer 9
-
$1,409 CAD
$1,007 USD
View
B
Retailer 10
-
$1,648 CAD
View
B
Retailer 11
-
$1,747 CAD
$1,248 USD
View
B
Retailer 12
-
$2,121 CAD
$1,516 USD
View
B
Retailer 13
-
$2,173 CAD
SGD 2,098 SGD
View
B
Retailer 14
-
$2,378 CAD
£1,338 GBP
View
Retailer 15
-
$3,317 CAD
$2,370 USD
View
Price last confirmed 28 days ago
Most Expensive
B
Do Amore Diamonds
27-8BB05FEF8 · Oct 29
$3,835 CAD
$2,740 USD
View
15 more retailers have this diamond
Prices start from $393 CADSave up to $3,442 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
$393 CAD