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Marquise|Lab Grown|IGI

3.09ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG780663326

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780663326

Diamond specifications and retailer prices

From $5,019 CAD
$3,593 USD
As of October 30, 2026
Save $20,143 CAD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $25,162 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise 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 LG780663326 or 780663326. Listed at 12 retailers as of October 30, 2026, with prices from $5,019 to $25,162, a $20,143 spread on the same certified stone. Taylor and Hart lists it at $25,162. 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 angle32.9°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663326
Dimensions15.09 × 7.69 × 4.66 mm
L/W Ratio1.96
Girdle conditionFaceted
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
15.09 mm7.69 mm3.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663326
Side View
Table 62.0%Crown 32.9°Girdle: Slightly ThickPavilion 40.1°Culet: NoneDepth 60.6%

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: $12,796 CAD|Low: $5,019 CAD|High: $32,984 CAD|Avg: $14,133 CAD|-30.0%
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
Taylor and Hart
October 30, 2026
Retailer 10$5,019 CAD
Retailer 5$5,644 CAD
Retailer 11$6,026 CAD
Retailer 2$8,940 CAD
Retailer 7$9,119 CAD
Retailer 13$10,861 CAD
Retailer 8$11,584 CAD
Retailer 3$12,066 CAD
Retailer 1$12,796 CAD
Retailer 9$14,691 CAD
Retailer 6$16,386 CAD
Retailer 12$18,992 CAD
Taylor and Hart$25,162 CAD
Retailer 4$32,984 CAD

40 data points across 14 retailers

12 retailers$5,019 CAD to $25,162 CAD

A
Cheapest Retailer
-
$5,019 CAD
$3,593 USD
A
Retailer 2
-
$6,026 CAD
$4,314 USD
View
B+
Retailer 3
-
$8,940 CAD
HK$50,000 HKD
View
B+
Retailer 4
-
$9,119 CAD
£5,140 GBP
View
B+
Retailer 5
-
$10,861 CAD
$7,775 USD
View
B+
Retailer 6
-
$11,584 CAD
€7,898 EUR
View
B+
Retailer 7
-
$12,066 CAD
$8,638 USD
View
B+
Retailer 8
-
$12,796 CAD
$9,160 USD
View
B+
Retailer 9
-
$14,691 CAD
£8,281 GBP
View
B+
Retailer 10
-
$16,386 CAD
ZAR 189,502 ZAR
View
B
Retailer 11
-
$18,992 CAD
$13,596 USD
View
Most Expensive
B
Taylor and Hart
PDT5PTM · Oct 30
$25,162 CAD
$18,013 USD
View
11 more retailers have this diamond
Prices start from $5,019 CADSave up to $20,143 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 Marquise
$5,019 CAD