CaratHunter
Plans
Cushion|Lab Grown|IGI

1.83ct G SI1 Cushion Lab Grown Diamond

VG • G/SI1 • IGI LG515227078

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG515227078

Diamond specifications and retailer prices

From $503 CAD
$360 USD
As of October 25, 2026
Save $3,101 CAD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,604 CAD at Do Amore Diamonds · As of October 31, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG515227078 or 515227078. Listed at 11 retailers as of October 25, 2026, with prices from $503 to $3,604, a $3,101 spread on the same certified stone. Do Amore Diamonds lists it at $3,604. 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

1.83
Carat
G
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515227078
Dimensions6.99 × 6.91 × 4.82 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.99 mm6.91 mm1.83 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515227078
Side View
Table 61.5%Crown 34.5°Girdle: STK-VTKPavilion 40.2°Culet: NoneDepth 69.8%

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 25
Current: $3,604 CAD|Low: $395 CAD|High: $3,604 CAD|Avg: $1,376 CAD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 8$503 CAD
Retailer 7$753 CAD
Retailer 5$754 CAD
Retailer 9$828 CAD
Retailer 2$984 CAD
Retailer 11$1,310 CAD
Retailer 6$1,397 CAD
Retailer 3$1,799 CAD
Retailer 10$2,013 CAD
Retailer 4$2,239 CAD
Do Amore Diamonds$3,604 CAD

38 data points across 11 retailers

11 retailers$503 CAD to $3,604 CAD

A
Cheapest Retailer
-
$503 CAD
$360 USD
B+
Retailer 2
-
$753 CAD
$539 USD
View
B+
Retailer 3
-
$754 CAD
$540 USD
View
B+
Retailer 4
-
$828 CAD
$593 USD
View
B+
Retailer 5
-
$984 CAD
£555 GBP
View
B+
Retailer 6
-
$1,310 CAD
$938 USD
View
B+
Retailer 7
-
$1,397 CAD
$1,000 USD
View
B
Retailer 8
-
$1,799 CAD
$1,288 USD
View
B
Retailer 9
-
$2,013 CAD
$1,441 USD
View
B
Retailer 10
-
$2,239 CAD
£1,262 GBP
View
Most Expensive
C
Do Amore Diamonds
27-4E9089D8C · Oct 31
$3,604 CAD
$2,580 USD
View
10 more retailers have this diamond
Prices start from $503 CADSave up to $3,101 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
$503 CAD