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Radiant|Lab Grown|IGI

3.09ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG780662925

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

Certificate IGI LG780662925

Diamond specifications and retailer prices

From $3,323 CAD
$2,374 USD
As of October 29, 2026
Save $14,872 CAD (82%) vs most expensive(unlock to see where)
13 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 LG780662925 or 780662925. Listed at 13 retailers as of October 29, 2026, with prices from $3,323 to $18,195, a $14,872 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662925
Dimensions10.76 × 7.24 × 4.71 mm
L/W Ratio1.49
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
10.76 mm7.24 mm3.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662925
Side View
Table 65.0%Crown 39.4°Girdle: Slightly ThickPavilion 33.6°Culet: NoneDepth 65.1%

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 29
Current: $18,195 CAD|Low: $3,323 CAD|High: $18,195 CAD|Avg: $8,169 CAD
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
October 30, 2026
Retailer 10$3,323 CAD
Retailer 11$3,467 CAD
Retailer 12$4,317 CAD
Retailer 2$4,745 CAD
Retailer 9$5,207 CAD
Retailer 4$5,773 CAD
Retailer 5$7,943 CAD
Retailer 6$8,007 CAD
Retailer 13$8,416 CAD
Retailer 8$9,039 CAD
Retailer 7$9,405 CAD
Retailer 3$12,057 CAD
Brilliant Earth$18,195 CAD

42 data points across 13 retailers

13 retailers$3,323 CAD to $18,195 CAD

A
Cheapest Retailer
-
$3,323 CAD
$2,374 USD
A
Retailer 2
-
$3,467 CAD
$2,477 USD
View
A
Retailer 3
-
$4,317 CAD
HK$24,100 HKD
View
A
Retailer 4
-
$4,745 CAD
£2,670 GBP
View
B+
Retailer 5
-
$5,207 CAD
$3,720 USD
View
B+
Retailer 6
-
$5,773 CAD
€3,928 EUR
View
Retailer 7
-
$7,943 CAD
$5,675 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$8,007 CAD
ZAR 92,422 ZAR
View
B+
Retailer 9
-
$8,416 CAD
$6,013 USD
View
B+
Retailer 10
-
$9,039 CAD
$6,458 USD
View
B+
Retailer 11
-
$9,405 CAD
£5,291 GBP
View
B
Retailer 12
-
$12,057 CAD
$8,614 USD
View
Most Expensive
B
Brilliant Earth
19646820Y · Oct 29
$18,195 CAD
$13,000 USD
View
12 more retailers have this diamond
Prices start from $3,323 CADSave up to $14,872 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
$3,323 CAD