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Marquise|Lab Grown|IGI

3.09ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG837682305

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837682305

Diamond specifications and retailer prices

From $686 AUD
As of November 4, 2026
Save $3,138 AUD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,824 AUD at With Clarity · As of November 5, 2026
View at With Clarity

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 LG837682305 or 837682305. Listed at 10 retailers as of November 4, 2026, with prices from $686 to $3,824, a $3,138 spread on the same certified stone. With Clarity lists it at $3,824. 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 angle35.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837682305
Dimensions14.62 × 7.78 × 4.82 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.62 mm7.78 mm3.09 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837682305
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.1%

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: $2,963 AUD|Low: $686 AUD|High: $3,824 AUD|Avg: $2,258 AUD|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
November 5, 2026
Retailer 4$686 AUD
Retailer 3$1,016 AUD
Retailer 10$1,284 AUD
Retailer 2$1,370 AUD
Retailer 6$2,028 AUD
Retailer 8$2,114 AUD
Retailer 5$2,287 AUD
Retailer 1$2,963 AUD
Retailer 7$3,113 AUD
Retailer 9$3,250 AUD
With Clarity$3,824 AUD

29 data points across 11 retailers

10 retailers$686 AUD to $3,824 AUD

A
Cheapest Retailer
-
$686 AUD
A
Retailer 2
-
$1,016 AUD
View
Retailer 3
-
$1,284 AUD
View
Price last confirmed 11 days ago
B+
Retailer 4
-
$2,028 AUD
View
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
-
$3,250 AUD
View
Price last confirmed 8 days ago
Most Expensive
B
With Clarity
837682305 · Nov 5
$3,824 AUD
$2,677 USD
View
9 more retailers have this diamond
Prices start from $686 AUDSave up to $3,138 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