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Marquise|Lab Grown|IGI

3.09ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG839608344

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839608344

Diamond specifications and retailer prices

From $4,712 AUD
$3,310 USD
As of November 2, 2026
Save $27,703 AUD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $32,415 AUD at Do Amore Diamonds · As of November 2, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839608344 or 839608344. Listed at 19 retailers as of November 2, 2026, with prices from $4,712 to $32,415, a $27,703 spread on the same certified stone. Do Amore Diamonds lists it at $32,415. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839608344
Dimensions14.67 × 7.52 × 4.73 mm
L/W Ratio1.95
Girdle conditionFaceted
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
14.67 mm7.52 mm3.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839608344
Side View
Table 58.0%Crown 36.9°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 62.9%

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 2
Current: $32,415 AUD|Low: $4,712 AUD|High: $61,558 AUD|Avg: $11,853 AUD|-2.5%
Do Amore Diamonds
Retailer 2
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Retailer 20
November 2, 2026
Retailer 3$4,712 AUD
Retailer 4$4,863 AUD
Retailer 13$5,126 AUD
Retailer 20$5,176 AUD
Retailer 5$5,687 AUD
Retailer 2$7,179 AUD
Retailer 18$7,539 AUD
Retailer 19$7,539 AUD
Retailer 10$8,349 AUD
Retailer 15$8,483 AUD
Retailer 8$9,997 AUD
Retailer 9$11,019 AUD
Retailer 12$12,348 AUD
Retailer 6$12,865 AUD
Retailer 14$12,923 AUD
Retailer 16$13,770 AUD
Retailer 7$14,967 AUD
Retailer 17$23,045 AUD
Retailer 11$25,726 AUD
Do Amore Diamonds$32,415 AUD

31 data points across 20 retailers

19 retailers$4,712 AUD to $32,415 AUD

A
Cheapest Retailer
-
$4,712 AUD
$3,310 USD
A
Retailer 2
-
$4,863 AUD
$3,416 USD
View
A
Retailer 3
-
$5,126 AUD
$3,601 USD
View
A
Retailer 4
-
$5,176 AUD
$3,636 USD
View
A
Retailer 5
-
$5,687 AUD
$3,995 USD
View
A
Retailer 6
-
$7,179 AUD
£3,971 GBP
View
A
Retailer 7
-
$7,539 AUD
$5,296 USD
View
A
Retailer 8
-
$7,539 AUD
$5,296 USD
View
A
Retailer 9
-
$8,349 AUD
$5,865 USD
View
A
Retailer 10
-
$8,483 AUD
$5,959 USD
View
B+
Retailer 11
-
$9,997 AUD
€6,688 EUR
View
B+
Retailer 12
-
$11,019 AUD
$7,740 USD
View
Retailer 13
-
$12,348 AUD
$8,674 USD
View
Price last confirmed 17 days ago
B+
Retailer 14
-
$12,865 AUD
$9,037 USD
View
B+
Retailer 15
-
$12,923 AUD
£7,148 GBP
View
B+
Retailer 16
-
$13,770 AUD
View
B+
Retailer 17
-
$14,967 AUD
$10,514 USD
View
B
Retailer 18
-
$23,045 AUD
View
Most Expensive
B
Do Amore Diamonds
27-8D06CDB17 · Nov 2
$32,415 AUD
$22,770 USD
View
18 more retailers have this diamond
Prices start from $4,712 AUDSave up to $27,703 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
$4,712 AUD