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Round|Lab Grown|IGI

3.09ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG635499506

Shape and cutting style on the report: Round brilliant

Certificate IGI LG635499506

Diamond specifications and retailer prices

From $1,841 AUD
As of November 5, 2026
Save $596 AUD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,437 AUD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG635499506 or 635499506. Listed at 2 retailers as of November 5, 2026, with prices from $1,841 to $2,437, a $596 spread on the same certified stone. The Diamond Guys lists it at $2,437. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.09
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635499506
Dimensions9.29 × 9.25 × 5.81 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.29 mm9.25 mm3.09 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635499506
Side View
Table 55.0%Crown 35.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $487 AUD|Low: $361 AUD|High: $4,286 AUD|Avg: $1,781 AUD|+31.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
The Diamond Guys
September 18, 2026
Retailer 1$487 AUD
Retailer 6$877 AUD
Retailer 4$951 AUD
Retailer 5$986 AUD
Retailer 7$1,367 AUD
Retailer 9$1,371 AUD
Retailer 8$1,500 AUD
Retailer 10$1,518 AUD
Retailer 11$1,841 AUD
The Diamond Guys$2,437 AUD
Retailer 3$2,698 AUD
Retailer 2$3,814 AUD

74 data points across 12 retailers

2 retailers$1,841 AUD to $2,437 AUD

B
Cheapest Retailer
-
$1,841 AUD
Most Expensive
B
The Diamond Guys
1954434406 · Nov 6
$2,437 AUD
$1,706 USD
View
1 more retailer has this diamond
Prices start from $1,841 AUDSave up to $596 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.

B
3.09ct Round
$1,841 AUD