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Radiant|Lab Grown|IGI

1.80ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG577399386

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG577399386

Diamond specifications and retailer prices

From $574 CAD
$411 USD
As of November 1, 2026
Save $1,340 CAD (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,914 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.8ct lab-grown radiant diamond

This 1.8ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG577399386 or 577399386. Listed at 11 retailers as of October 31, 2026, with prices from $574 to $1,914, a $1,340 spread on the same certified stone. Brilliant Earth lists it at $1,914. 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

1.80
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577399386
Dimensions8.76 × 5.92 × 4.04 mm
L/W Ratio1.48
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
8.76 mm5.92 mm1.80 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577399386
Side View
Table 66.0%Crown 43.2°Girdle: MediumPavilion 35.1°Culet: NoneDepth 68.2%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $1,914 CAD|Low: $295 CAD|High: $1,998 CAD|Avg: $905 CAD|-4.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3$295 CAD
Retailer 11$327 CAD
Retailer 10$574 CAD
Retailer 5$585 CAD
Retailer 2$589 CAD
Retailer 9$809 CAD
Retailer 8$865 CAD
Retailer 6$1,055 CAD
Retailer 4$1,529 CAD
Retailer 7$1,530 CAD
Brilliant Earth$1,914 CAD

38 data points across 11 retailers

11 retailers$574 CAD to $1,914 CAD

Retailer 1
-
$306 CAD
$219 USD
Price last confirmed 35 days ago
Retailer 2
-
$323 CAD
$231 USD
View
Price last confirmed 35 days ago
B+
Retailer 3
-
$574 CAD
$411 USD
View
A
Retailer 4
-
$585 CAD
€399 EUR
View
A
Retailer 5
-
$589 CAD
£332 GBP
View
A
Retailer 6
-
$809 CAD
$579 USD
View
A
Retailer 7
-
$865 CAD
$619 USD
View
B+
Retailer 8
-
$1,055 CAD
$755 USD
View
B+
Retailer 9
-
$1,529 CAD
£862 GBP
View
B
Retailer 10
-
$1,530 CAD
$1,095 USD
View
Most Expensive
B
Brilliant Earth
7624068A · Oct 31
$1,914 CAD
$1,370 USD
View
10 more retailers have this diamond
Prices start from $574 CADSave up to $1,340 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
1.80ct Radiant
$574 CAD