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Marquise|Lab Grown|IGI

3.09ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG841639143

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841639143

Diamond specifications and retailer prices

From $769 AUD
As of November 4, 2026
Save $3,503 AUD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,271 AUD at Brilliant Earth · As of November 4, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841639143 or 841639143. Listed at 11 retailers as of November 4, 2026, with prices from $769 to $4,271, a $3,503 spread on the same certified stone. Brilliant Earth lists it at $4,271. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841639143
Dimensions15.02 × 7.48 × 4.78 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.02 mm7.48 mm3.09 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841639143
Side View
Table 60.0%Crown 37.7°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 63.9%

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 4
Current: $4,271 AUD|Low: $769 AUD|High: $4,357 AUD|Avg: $2,327 AUD|-2.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 7$769 AUD
Retailer 5$1,016 AUD
Retailer 10$1,050 AUD
Retailer 11$1,284 AUD
Retailer 3$1,406 AUD
Retailer 8$2,114 AUD
Retailer 6$2,287 AUD
Retailer 2$2,963 AUD
Retailer 9$3,113 AUD
Retailer 4$3,278 AUD
Retailer 12$3,824 AUD
Brilliant Earth$4,271 AUD

20 data points across 12 retailers

11 retailers$769 AUD to $4,271 AUD

A
Cheapest Retailer
-
$769 AUD
A
Retailer 2
-
$1,016 AUD
View
A
Retailer 3
-
$1,050 AUD
View
Retailer 4
-
$1,284 AUD
View
Price last confirmed 11 days ago
B+
Retailer 5
-
$2,114 AUD
View
B+
Retailer 6
-
$2,287 AUD
View
B+
Retailer 7
-
$2,963 AUD
View
B+
Retailer 8
-
$3,113 AUD
View
Retailer 9
-
$3,278 AUD
View
Price last confirmed 32 days ago
B
Retailer 10
-
$3,824 AUD
View
Most Expensive
B
Brilliant Earth
22210485A · Nov 4
$4,271 AUD
$2,990 USD
View
10 more retailers have this diamond
Prices start from $769 AUDSave up to $3,503 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
$769 AUD