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Marquise|Lab Grown|IGI

3.09ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG754594706

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754594706

Diamond specifications and retailer prices

From $6,605 AUD
As of November 3, 2026
Save $22,146 AUD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $28,751 AUD at With Clarity · As of November 3, 2026
View at With Clarity

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 LG754594706 or 754594706. Listed at 14 retailers as of November 3, 2026, with prices from $6,605 to $28,751, a $22,146 spread on the same certified stone. With Clarity lists it at $28,751. 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
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594706
Dimensions14.73 × 7.56 × 4.77 mm
L/W Ratio1.95
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
14.73 mm7.56 mm3.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594706
Side View
Table 63.0%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $9,283 AUD|Low: $6,605 AUD|High: $33,810 AUD|Avg: $15,200 AUD|-15.4%
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
With Clarity
November 4, 2026
Retailer 13$6,605 AUD
Retailer 11$6,767 AUD
Retailer 3$9,073 AUD
Retailer 1$9,283 AUD
Retailer 10$11,011 AUD
Retailer 2$11,133 AUD
Retailer 9$11,873 AUD
Retailer 8$13,116 AUD
Retailer 4$13,530 AUD
Retailer 7$14,978 AUD
Retailer 6$16,848 AUD
Retailer 12$19,468 AUD
Retailer 5$25,791 AUD
With Clarity$28,751 AUD

41 data points across 14 retailers

14 retailers$6,605 AUD to $28,751 AUD

A
Cheapest Retailer
-
$6,605 AUD
A
Retailer 2
-
$6,767 AUD
View
B+
Retailer 3
-
$9,073 AUD
View
B+
Retailer 4
-
$9,283 AUD
View
B+
Retailer 5
-
$11,011 AUD
View
B+
Retailer 6
-
$11,133 AUD
View
B+
Retailer 7
-
$11,873 AUD
View
B+
Retailer 8
-
$13,116 AUD
View
B+
Retailer 9
-
$13,530 AUD
View
B+
Retailer 10
-
$14,978 AUD
View
B+
Retailer 11
-
$16,848 AUD
View
B
Retailer 12
-
$19,468 AUD
View
B
Retailer 13
-
$25,791 AUD
View
Most Expensive
B
With Clarity
754594706 · Nov 3
$28,751 AUD
$20,079 USD
View
13 more retailers have this diamond
Prices start from $6,605 AUDSave up to $22,146 AUD

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
$6,605 AUD