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Marquise|Lab Grown|IGI

3.09ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG784604230

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784604230

Diamond specifications and retailer prices

From $5,203 CAD
$3,725 USD
As of October 30, 2026
Save $21,389 CAD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $39,965 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG784604230 or 784604230. Listed at 23 retailers as of October 30, 2026, with a 411% 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 angle34.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784604230
Dimensions14.66 × 7.65 × 4.79 mm
L/W Ratio1.92
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
14.66 mm7.65 mm3.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784604230
Side View
Table 61.0%Crown 34.8°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.6%

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: $39,965 CAD|Low: $5,203 CAD|High: $47,187 CAD|Avg: $16,215 CAD|-15.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 18$5,203 CAD
Retailer 15$6,088 CAD
Retailer 8$6,504 CAD
Retailer 5$6,739 CAD
Retailer 17$6,810 CAD
Retailer 16$8,768 CAD
Retailer 11$9,295 CAD
Retailer 12$9,634 CAD
Retailer 19$9,653 CAD
Retailer 10$10,495 CAD
Retailer 3$10,896 CAD
Retailer 13$11,574 CAD
Retailer 14$15,484 CAD
Retailer 2$17,270 CAD
Retailer 4$19,454 CAD
Retailer 6$23,587 CAD
Retailer 9$25,542 CAD
Retailer 7$26,592 CAD
Do Amore Diamonds$39,965 CAD

41 data points across 19 retailers

23 retailers$5,203 CAD to $26,592 CAD

A
Cheapest Retailer
-
$5,203 CAD
$3,725 USD
A
Retailer 2
-
$5,810 CAD
$4,159 USD
View
A
Retailer 3
-
$6,088 CAD
$4,358 USD
View
A
Retailer 4
-
$6,504 CAD
$4,656 USD
View
Final sale: no returns
Retailer 5
-
$6,739 CAD
$4,824 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$6,739 CAD
$4,824 USD
View
A
Retailer 7
-
$6,810 CAD
$4,875 USD
View
A
Retailer 8
-
$8,768 CAD
$6,277 USD
View
B+
Retailer 9
-
$9,295 CAD
$6,654 USD
View
B+
Retailer 10
-
$9,634 CAD
£5,430 GBP
View
B+
Retailer 11
-
$9,653 CAD
$6,910 USD
View
B+
Retailer 12
-
$10,495 CAD
£5,916 GBP
View
B+
Retailer 13
-
$10,896 CAD
$7,800 USD
View
B+
Retailer 14
-
$11,574 CAD
€7,891 EUR
View
B+
Retailer 15
-
$15,484 CAD
£8,728 GBP
View
B+
Retailer 16
-
$17,270 CAD
ZAR 199,722 ZAR
View
B
Retailer 17
-
$19,454 CAD
$13,927 USD
View
B
Retailer 18
-
$20,362 CAD
$14,577 USD
View
B
Retailer 19
-
$20,685 CAD
$14,808 USD
View
B
Retailer 20
-
$23,587 CAD
$16,885 USD
View
B
Retailer 21
-
$25,542 CAD
$18,285 USD
View
B
Retailer 22
-
$26,592 CAD
$19,036 USD
View
Most Expensive
Do Amore Diamonds
27-A3903FB24 · Oct 29
$39,965 CAD
$28,610 USD
View
Price under review
22 more retailers have this diamond
Prices start from $5,203 CADSave up to $21,389 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
$5,203 CAD