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Marquise|Lab Grown|IGI

3.10ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG784645689

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784645689

Diamond specifications and retailer prices

From $4,871 AUD
As of November 4, 2026
Save $28,649 AUD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $33,521 AUD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 3.1ct lab-grown marquise diamond

This 3.1ct 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 LG784645689 or 784645689. Listed at 14 retailers as of November 4, 2026, with prices from $4,871 to $33,521, a $28,649 spread on the same certified stone. Do Amore Diamonds lists it at $33,521. 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

3.10
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645689
Dimensions14.43 × 7.52 × 4.89 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
14.43 mm7.52 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645689
Side View
Table 58.0%Crown 35.8°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 65.0%

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: Nov 4
Current: $33,521 AUD|Low: $4,871 AUD|High: $39,936 AUD|Avg: $11,317 AUD|-16.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 4, 2026
Retailer 2$4,871 AUD
Retailer 9$5,194 AUD
Retailer 12$5,509 AUD
Retailer 14$5,537 AUD
Retailer 8$5,871 AUD
Retailer 6$6,850 AUD
Retailer 7$7,794 AUD
Retailer 10$7,794 AUD
Retailer 13$9,110 AUD
Retailer 5$10,503 AUD
Retailer 4$11,103 AUD
Retailer 3$12,228 AUD
Retailer 11$13,360 AUD
Do Amore Diamonds$33,521 AUD

34 data points across 14 retailers

14 retailers$4,871 AUD to $33,521 AUD

A
Cheapest Retailer
-
$4,871 AUD
A
Retailer 2
-
$5,194 AUD
View
A
Retailer 3
-
$5,509 AUD
View
A
Retailer 4
-
$5,537 AUD
View
A
Retailer 5
-
$5,871 AUD
View
A
Retailer 6
-
$6,850 AUD
View
Final sale: no returns
A
Retailer 7
-
$7,794 AUD
View
A
Retailer 8
-
$7,794 AUD
View
B+
Retailer 9
-
$9,110 AUD
View
Retailer 10
-
$10,503 AUD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$11,103 AUD
View
B+
Retailer 12
-
$12,228 AUD
View
B+
Retailer 13
-
$13,360 AUD
View
Most Expensive
B
Do Amore Diamonds
27-295A4448B · Nov 4
$33,521 AUD
$23,410 USD
View
13 more retailers have this diamond
Prices start from $4,871 AUDSave up to $28,649 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
3.10ct Marquise
$4,871 AUD