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Radiant|Lab Grown|IGI

3.09ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG754564236

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

Certificate IGI LG754564236

Diamond specifications and retailer prices

From $476 CAD
$341 USD
As of October 30, 2026
Save $3,812 CAD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,288 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.09ct lab-grown radiant diamond

This 3.09ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG754564236 or 754564236. Listed at 18 retailers as of October 30, 2026, with prices from $476 to $4,288, a $3,812 spread on the same certified stone. Brilliant Earth lists it at $4,288. 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

3.09
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754564236
Dimensions10.57 × 7.25 × 4.84 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.57 mm7.25 mm3.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754564236
Side View
Table 65.0%Crown 37.8°Girdle: MediumPavilion 35.6°Culet: NoneDepth 66.8%

Caratlytics Score

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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: Oct 30
Current: $4,288 CAD|Low: $469 CAD|High: $4,386 CAD|Avg: $1,290 CAD|-1.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 18$476 CAD
Retailer 5$532 CAD
Retailer 15$552 CAD
Retailer 14$589 CAD
Retailer 17$589 CAD
Retailer 3$726 CAD
Retailer 7$793 CAD
Retailer 13$796 CAD
Retailer 12$937 CAD
Retailer 6$1,035 CAD
Retailer 11$1,058 CAD
Retailer 9$1,450 CAD
Retailer 4$1,729 CAD
Retailer 16$1,896 CAD
Retailer 10$1,956 CAD
Retailer 8$2,294 CAD
Retailer 2$2,363 CAD
Brilliant Earth$4,288 CAD

38 data points across 18 retailers

18 retailers$476 CAD to $4,288 CAD

A
Cheapest Retailer
-
$476 CAD
$341 USD
A
Retailer 2
-
$532 CAD
$381 USD
View
Final sale: no returns
A
Retailer 3
-
$552 CAD
$395 USD
View
A
Retailer 4
-
$589 CAD
$422 USD
View
Retailer 5
-
$589 CAD
$422 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$726 CAD
£409 GBP
View
Price last confirmed 15 days ago
B+
Retailer 7
-
$793 CAD
$568 USD
View
A
Retailer 8
-
$796 CAD
$570 USD
View
A
Retailer 9
-
$937 CAD
€639 EUR
View
A
Retailer 10
-
$1,035 CAD
$741 USD
View
A
Retailer 11
-
$1,058 CAD
£597 GBP
View
B+
Retailer 12
-
$1,450 CAD
$1,038 USD
View
B+
Retailer 13
-
$1,729 CAD
$1,238 USD
View
B+
Retailer 14
-
$1,896 CAD
$1,357 USD
View
B+
Retailer 15
-
$1,956 CAD
$1,400 USD
View
B+
Retailer 16
-
$2,294 CAD
$1,642 USD
View
B+
Retailer 17
-
$2,363 CAD
£1,332 GBP
View
Most Expensive
B
Brilliant Earth
18587410A · Oct 31
$4,288 CAD
$3,070 USD
View
17 more retailers have this diamond
Prices start from $476 CADSave up to $3,812 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
3.09ct Radiant
$476 CAD