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Round|Lab Grown|IGI

3.67ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG639463300

Shape and cutting style on the report: Round brilliant

Certificate IGI LG639463300

Diamond specifications and retailer prices

From $1,868 AUD
CA$1,819 CAD
As of October 30, 2026
Save $603 AUD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,471 AUD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.67ct lab-grown round diamond

This 3.67ct 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 LG639463300 or 639463300. Listed at 2 retailers as of October 30, 2026, with prices from $1,868 to $2,471, a $603 spread on the same certified stone. The Diamond Guys lists it at $2,471. 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

3.67
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639463300
Dimensions9.96 × 9.89 × 6.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.96 mm9.89 mm3.67 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639463300
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.9%

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: $7,135 AUD|Low: $378 AUD|High: $7,135 AUD|Avg: $1,953 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
August 3, 2026
Retailer 4$1,029 AUD
Retailer 7$1,111 AUD
Retailer 11$1,251 AUD
Retailer 2$1,271 AUD
Retailer 8$1,458 AUD
Retailer 10$1,537 AUD
Retailer 6$1,570 AUD
Retailer 9$1,868 AUD
Retailer 3$2,426 AUD
The Diamond Guys$2,471 AUD
Retailer 5$3,050 AUD
Retailer 12$3,924 AUD
Retailer 1$7,135 AUD

61 data points across 13 retailers

2 retailers$1,868 AUD to $2,471 AUD

B+
Cheapest Retailer
-
$1,868 AUD
CA$1,819 CAD
Most Expensive
B
The Diamond Guys
1954434378 · Nov 1
$2,471 AUD
$1,732 USD
View
1 more retailer has this diamond
Prices start from $1,868 AUDSave up to $603 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+
3.67ct Round
$1,868 AUD