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Radiant|Lab Grown|IGI

1.81ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG530293318

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

Certificate IGI LG530293318

Diamond specifications and retailer prices

From $2,305 CAD
$1,650 USD
As of October 31, 2026
Save $3,003 CAD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,308 CAD at Friendly Diamonds · As of October 31, 2026
View at Friendly Diamonds

About this 1.81ct lab-grown radiant diamond

This 1.81ct 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 LG530293318 or 530293318. Listed at 12 retailers as of October 31, 2026, with prices from $2,305 to $5,308, a $3,003 spread on the same certified stone. Friendly Diamonds lists it at $5,308. 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

1.81
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.1°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530293318
Dimensions7.95 × 6.00 × 4.17 mm
L/W Ratio1.32
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
7.95 mm6.00 mm1.81 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530293318
Side View
Table 66.0%Crown 50.1°Girdle: MediumPavilion 32.5°Culet: NoneDepth 69.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,308 CAD|Low: $2,305 CAD|High: $9,342 CAD|Avg: $4,333 CAD
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5$2,305 CAD
Retailer 4$2,787 CAD
Retailer 8$3,119 CAD
Retailer 6$3,232 CAD
Retailer 9$3,464 CAD
Retailer 2$4,410 CAD
Retailer 7$5,060 CAD
Friendly Diamonds$5,308 CAD
Retailer 3$9,232 CAD

43 data points across 9 retailers

12 retailers$2,305 CAD to $5,308 CAD

B
Cheapest Retailer
-
$2,305 CAD
$1,650 USD
B
Retailer 2
-
$2,787 CAD
$1,995 USD
View
B
Retailer 3
-
$3,031 CAD
$2,170 USD
View
B
Retailer 4
-
$3,119 CAD
$2,233 USD
View
Final sale: no returns
B
Retailer 5
-
$3,232 CAD
$2,314 USD
View
Retailer 6
-
$3,232 CAD
$2,314 USD
View
Price last confirmed 22 days ago
B
Retailer 7
-
$3,464 CAD
$2,480 USD
View
B
Retailer 8
-
$4,410 CAD
£2,486 GBP
View
B
Retailer 9
-
$4,444 CAD
$3,181 USD
View
B
Retailer 10
-
$5,060 CAD
$3,622 USD
View
Most Expensive
B
Friendly Diamonds
1585640 · Oct 31
$5,308 CAD
$3,800 USD
View
10 more retailers have this diamond
Prices start from $2,305 CADSave up to $3,003 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.

B
1.81ct Radiant
$2,305 CAD