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Marquise|Lab Grown|IGI

3.09ct F VVS2 Marquise Lab Grown Diamond

ID • F/VVS2 • IGI LG845665355

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845665355

Diamond specifications and retailer prices

From $686 AUD
$481 USD
As of November 2, 2026
Save $7,918 AUD (92%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $8,604 AUD at Brilliant Earth · As of October 28, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG845665355 or 845665355. Listed at 24 retailers as of October 28, 2026, with prices from $686 to $8,604, a $7,918 spread on the same certified stone. Brilliant Earth lists it at $8,604. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845665355
Dimensions15.45 × 7.41 × 4.73 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.45 mm7.41 mm3.09 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845665355
Side View
Table 58.0%Crown 37°Girdle: MED-STKPavilion 40°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
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 2
Current: $8,604 AUD|Low: $686 AUD|High: $8,604 AUD|Avg: $2,156 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 24
November 2, 2026
Retailer 15$686 AUD
Retailer 9$769 AUD
Retailer 23$769 AUD
Retailer 6$852 AUD
Retailer 10$852 AUD
Retailer 11$953 AUD
Retailer 24$1,049 AUD
Retailer 19$1,142 AUD
Retailer 22$1,238 AUD
Retailer 8$1,383 AUD
Retailer 13$1,415 AUD
Retailer 21$1,799 AUD
Retailer 2$1,849 AUD
Retailer 20$1,859 AUD
Retailer 3$1,861 AUD
Retailer 12$1,882 AUD
Retailer 16$2,738 AUD
Retailer 17$2,779 AUD
Retailer 14$2,780 AUD
Retailer 7$2,984 AUD
Retailer 5$3,186 AUD
Retailer 18$3,555 AUD
Retailer 4$3,917 AUD
Brilliant Earth$8,604 AUD

18 data points across 24 retailers

24 retailers$686 AUD to $8,604 AUD

A
Cheapest Retailer
-
$686 AUD
$481 USD
A
Retailer 2
-
$769 AUD
$539 USD
View
Final sale: no returns
A
Retailer 3
-
$769 AUD
$539 USD
View
A
Retailer 4
-
$852 AUD
$597 USD
View
Retailer 5
-
$852 AUD
$597 USD
View
Price last confirmed 16 days ago
Retailer 6
-
$953 AUD
£526 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
$1,049 AUD
$735 USD
View
B+
Retailer 8
-
$1,142 AUD
$800 USD
View
A
Retailer 9
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$1,238 AUD
€826 EUR
View
A
Retailer 10
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$1,383 AUD
$969 USD
View
A
Retailer 11
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$1,415 AUD
£781 GBP
View
A
Retailer 12
-
$1,799 AUD
View
A
Retailer 13
-
$1,849 AUD
ZAR 20,934 ZAR
View
A
Retailer 14
-
$1,859 AUD
$1,303 USD
View
A
Retailer 15
-
$1,861 AUD
$1,304 USD
View
Retailer 16
-
$1,882 AUD
$1,319 USD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$2,738 AUD
$1,919 USD
View
B+
Retailer 18
-
$2,779 AUD
$1,947 USD
View
B+
Retailer 19
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$2,780 AUD
$1,948 USD
View
B+
Retailer 20
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$2,984 AUD
$2,091 USD
View
B+
Retailer 21
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$3,186 AUD
$2,233 USD
View
B+
Retailer 22
-
$3,555 AUD
£1,962 GBP
View
B
Retailer 23
-
$3,917 AUD
$2,745 USD
View
Most Expensive
B
Brilliant Earth
22292173A · Oct 28
$8,604 AUD
$6,030 USD
View
23 more retailers have this diamond
Prices start from $686 AUDSave up to $7,918 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
$686 AUD