Round|Lab Grown|IGI

3.65ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG623496204

Shape and cutting style on the report: Round brilliant

Certificate IGI LG623496204

Diamond specifications and retailer prices

From $1,791 AUD
CA$1,747 CAD
As of October 30, 2026
Save $578 AUD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,369 AUD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.65ct lab-grown round diamond

This 3.65ct 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 LG623496204 or 623496204. Listed at 2 retailers as of October 30, 2026, with prices from $1,791 to $2,369, a $578 spread on the same certified stone. The Diamond Guys lists it at $2,369. 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

3.65
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623496204
Dimensions9.96 × 9.91 × 6.06 mm
L/W Ratio1.01
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
9.96 mm9.91 mm3.65 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623496204
Side View
Table 57.0%Crown 34.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $1,524 AUD|Low: $364 AUD|High: $4,798 AUD|Avg: $1,873 AUD|-5.7%
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
August 3, 2026
Retailer 3$984 AUD
Retailer 4$1,067 AUD
Retailer 8$1,221 AUD
Retailer 11$1,229 AUD
Retailer 5$1,438 AUD
Retailer 7$1,478 AUD
Retailer 1$1,524 AUD
Retailer 6$1,791 AUD
Retailer 2$2,335 AUD
The Diamond Guys$2,369 AUD
Retailer 9$3,773 AUD
Retailer 10$4,798 AUD

62 data points across 12 retailers

2 retailers$1,791 AUD to $2,369 AUD

B+
Cheapest Retailer
-
$1,791 AUD
CA$1,747 CAD
Most Expensive
B
The Diamond Guys
1954434380 · Nov 1
$2,369 AUD
$1,664 USD
View
1 more retailer has this diamond
Prices start from $1,791 AUDSave up to $578 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+
3.65ct Round
$1,791 AUD