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Marquise|Lab Grown|IGI

3.09ct H VVS1 Marquise Lab Grown Diamond

EX • H/VVS1 • IGI LG842605137

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842605137

Diamond specifications and retailer prices

From $595 AUD
$418 USD
As of November 1, 2026
Save $3,825 AUD (87%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,420 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG842605137 or 842605137. Listed at 3 retailers as of October 28, 2026, with prices from $595 to $4,420, a $3,825 spread on the same certified stone. Rare Carat lists it at $4,420. 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
H
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842605137
Dimensions14.39 × 7.65 × 4.89 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
14.39 mm7.65 mm3.09 ctH / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842605137
Side View
Table 60.0%Crown 35.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $4,420 AUD|Low: $595 AUD|High: $4,470 AUD|Avg: $2,308 AUD|-1.1%
Rare Carat
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$595 AUD
Retailer 2$1,230 AUD
Rare Carat$4,420 AUD

25 data points across 3 retailers

3 retailers$595 AUD to $4,420 AUD

A
Cheapest Retailer
-
$595 AUD
$418 USD
Final sale: no returns
A
Retailer 2
-
$1,230 AUD
£680 GBP
View
Most Expensive
B
Rare Carat
842605137 · Oct 28
$4,420 AUD
$3,105 USD
View
2 more retailers have this diamond
Prices start from $595 AUDSave up to $3,825 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
$595 AUD