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Marquise|Lab Grown|IGI

3.09ct F VVS1 Marquise Lab Grown Diamond

EX • F/VVS1 • IGI LG752592075

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG752592075

Diamond specifications and retailer prices

From $1,586 AUD
As of November 3, 2026
Save $7,800 AUD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,828 AUD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG752592075 or 752592075. Listed at 15 retailers as of November 2, 2026, with a 492% 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
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752592075
Dimensions15.75 × 7.51 × 4.67 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizePointed
Top View
15.75 mm7.51 mm3.09 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752592075
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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: $9,828 AUD|Low: $1,386 AUD|High: $12,171 AUD|Avg: $4,111 AUD
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 3, 2026
Retailer 8$1,386 AUD
Retailer 4$1,586 AUD
Retailer 6$1,700 AUD
Retailer 14$1,721 AUD
Retailer 13$1,728 AUD
Retailer 16$2,073 AUD
Retailer 3$2,364 AUD
Retailer 11$3,018 AUD
Retailer 17$3,053 AUD
Retailer 2$3,281 AUD
Retailer 10$3,516 AUD
Retailer 9$3,911 AUD
Retailer 5$4,647 AUD
Retailer 12$5,070 AUD
Retailer 7$5,340 AUD
Retailer 18$6,713 AUD
Retailer 15$9,385 AUD
Brilliant Earth$9,828 AUD

27 data points across 18 retailers

15 retailers$1,586 AUD to $9,385 AUD

Retailer 1
-
$1,181 AUD
Price last confirmed 32 days ago
A
Retailer 2
-
$1,586 AUD
View
A
Retailer 3
-
$1,721 AUD
View
A
Retailer 4
-
$1,728 AUD
View
B+
Retailer 5
-
$2,073 AUD
View
Retailer 6
-
$2,364 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,018 AUD
View
B+
Retailer 8
-
$3,053 AUD
View
B+
Retailer 9
-
$3,281 AUD
View
Retailer 10
-
$4,647 AUD
View
Price last confirmed 29 days ago
B
Retailer 11
-
$5,070 AUD
View
Retailer 12
-
$5,340 AUD
View
Price last confirmed 68 days ago
B
Retailer 13
-
$6,713 AUD
View
B
Retailer 14
-
$9,385 AUD
View
Most Expensive
Brilliant Earth
21651568A · Oct 23
$9,828 AUD
$6,880 USD
View
Price last confirmed 13 days ago
14 more retailers have this diamond
Prices start from $1,586 AUDSave up to $7,800 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
$1,586 AUD