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Radiant|Lab Grown|IGI

3.09ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG784644370

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

Certificate IGI LG784644370

Diamond specifications and retailer prices

From $2,350 CAD
$1,679 USD
As of October 27, 2026
Save $15,845 CAD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $18,195 CAD at Brilliant Earth · As of October 29, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784644370 or 784644370. Listed at 15 retailers as of October 27, 2026, with prices from $2,350 to $18,195, a $15,845 spread on the same certified stone. Brilliant Earth lists it at $18,195. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.09
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644370
Dimensions10.12 × 7.12 × 4.93 mm
L/W Ratio1.42
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
10.12 mm7.12 mm3.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644370
Side View
Table 59.0%Crown 42.9°Girdle: Slightly ThickPavilion 35.1°Culet: NoneDepth 69.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $18,195 CAD|Low: $2,350 CAD|High: $23,149 CAD|Avg: $7,708 CAD|-3.0%
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
October 30, 2026
Retailer 13$2,350 CAD
Retailer 4$2,557 CAD
Retailer 12$2,820 CAD
Retailer 15$2,876 CAD
Retailer 8$3,482 CAD
Retailer 7$3,966 CAD
Retailer 14$4,286 CAD
Retailer 3$4,701 CAD
Retailer 5$5,080 CAD
Retailer 11$5,629 CAD
Retailer 10$7,536 CAD
Retailer 6$7,943 CAD
Retailer 9$8,623 CAD
Retailer 2$16,137 CAD
Brilliant Earth$18,195 CAD

33 data points across 15 retailers

15 retailers$2,350 CAD to $18,195 CAD

A
Cheapest Retailer
-
$2,350 CAD
$1,679 USD
A
Retailer 2
-
$2,557 CAD
$1,827 USD
View
A
Retailer 3
-
$2,820 CAD
$2,015 USD
View
A
Retailer 4
-
$2,876 CAD
$2,055 USD
View
A
Retailer 5
-
$3,482 CAD
$2,488 USD
View
A
Retailer 6
-
$3,966 CAD
$2,834 USD
View
Final sale: no returns
A
Retailer 7
-
$4,286 CAD
$3,062 USD
View
A
Retailer 8
-
$4,701 CAD
$3,359 USD
View
B+
Retailer 9
-
$5,080 CAD
€3,457 EUR
View
B+
Retailer 10
-
$5,629 CAD
$4,022 USD
View
B+
Retailer 11
-
$7,536 CAD
$5,384 USD
View
Retailer 12
-
$7,943 CAD
$5,675 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$8,623 CAD
£4,851 GBP
View
B
Retailer 14
-
$16,137 CAD
$11,530 USD
View
Most Expensive
B
Brilliant Earth
19065815Y · Oct 29
$18,195 CAD
$13,000 USD
View
14 more retailers have this diamond
Prices start from $2,350 CADSave up to $15,845 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
$2,350 CAD