Radiant|Lab Grown|IGI

3.09ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG787605420

Shape and cutting style on the report: Cut cornered rectangular mixed cut

Certificate IGI LG787605420

Diamond specifications and retailer prices

From $3,987 CAD
$2,849 USD
As of October 27, 2026
Save $3,610 CAD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $16,119 CAD at Taylor and Hart · As of October 5, 2026
View at Taylor and Hart

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 LG787605420 or 787605420. Listed at 13 retailers as of October 26, 2026, with a 91% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle27.3°
Pavilion angle43.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787605420
Dimensions10.07 × 6.97 × 4.46 mm
L/W Ratio1.44
Culet sizeLarge
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
10.07 mm6.97 mm3.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787605420
Side View
Table 67.0%Crown 27.3°Girdle: MediumPavilion 43.9°Culet: LargeDepth 64.0%

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: Oct 27
Current: $4,339 CAD|Low: $3,188 CAD|High: $16,172 CAD|Avg: $7,480 CAD
Retailer 1
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
Taylor and Hart
October 14, 2026
Retailer 10$3,313 CAD
Retailer 11$3,987 CAD
Retailer 1$4,339 CAD
Retailer 7$4,620 CAD
Retailer 8$4,626 CAD
Retailer 13$4,626 CAD
Retailer 5$4,850 CAD
Retailer 4$4,976 CAD
Retailer 17$5,117 CAD
Retailer 14$6,358 CAD
Retailer 15$6,419 CAD
Retailer 6$6,936 CAD
Retailer 16$7,597 CAD
Retailer 3$7,977 CAD
Retailer 18$10,780 CAD
Retailer 12$10,804 CAD
Retailer 2$11,867 CAD
Retailer 9$13,504 CAD
Taylor and Hart$16,119 CAD

24 data points across 19 retailers

13 retailers$3,987 CAD to $7,597 CAD

A
Cheapest Retailer
-
$3,987 CAD
$2,849 USD
A
Retailer 2
-
$4,339 CAD
$3,100 USD
View
A
Retailer 3
-
$4,626 CAD
$3,305 USD
View
B+
Retailer 4
-
$5,117 CAD
$3,656 USD
View
Final sale: no returns
B+
Retailer 5
-
$6,358 CAD
$4,543 USD
View
Retailer 6
-
$6,936 CAD
$4,956 USD
View
Price last confirmed 24 days ago
B
Retailer 7
-
$7,597 CAD
$5,428 USD
View
Retailer 8
-
$7,977 CAD
£4,488 GBP
View
Price last confirmed 25 days ago
Retailer 9
-
$10,780 CAD
ZAR 124,434 ZAR
View
Price last confirmed 27 days ago
Retailer 10
-
$10,804 CAD
$7,719 USD
View
Price last confirmed 19 days ago
Retailer 11
-
$11,867 CAD
£6,676 GBP
View
Price last confirmed 25 days ago
Retailer 12
-
$13,504 CAD
$9,648 USD
View
Price last confirmed 26 days ago
Most Expensive
Taylor and Hart
U4TAP7E · Oct 5
$16,119 CAD
$11,517 USD
View
Price last confirmed 25 days ago
12 more retailers have this diamond
Prices start from $3,987 CADSave up to $3,610 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
$3,987 CAD