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Round|Lab Grown|IGI

3.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG628498547

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628498547

Diamond specifications and retailer prices

From $1,764 AUD
As of November 5, 2026
Save $2,088 AUD (54%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,797 AUD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.05ct lab-grown round diamond

This 3.05ct 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 LG628498547 or 628498547. Listed at 6 retailers as of November 5, 2026, with a 118% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.05
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628498547
Dimensions9.37 × 9.29 × 5.67 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
9.37 mm9.29 mm3.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628498547
Side View
Table 60.0%Crown 33.6°Girdle: MediumPavilion 41.4°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,300 AUD|Low: $959 AUD|High: $10,642 AUD|Avg: $2,838 AUD|-12.0%
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
November 6, 2026
Retailer 8$959 AUD
Retailer 9$1,199 AUD
Retailer 4$1,543 AUD
Retailer 7$1,643 AUD
Retailer 6$1,960 AUD
Retailer 11$2,238 AUD
Retailer 5$2,288 AUD
Retailer 1$2,300 AUD
The Diamond Guys$2,336 AUD
Retailer 3$2,691 AUD
Retailer 12$3,091 AUD
Retailer 10$3,853 AUD
Retailer 2$10,642 AUD

2 data points across 13 retailers

6 retailers$1,764 AUD to $3,853 AUD

B+
Cheapest Retailer
-
$1,764 AUD
B+
Retailer 2
-
$1,960 AUD
View
B+
Retailer 3
-
$2,300 AUD
View
B
Retailer 4
-
$2,336 AUD
View
B
Retailer 5
-
$3,853 AUD
View
Most Expensive
The Diamond Guys
1959846517 · Nov 6
$6,797 AUD
$4,758 USD
View
Price under review
5 more retailers have this diamond
Prices start from $1,764 AUDSave up to $2,088 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+
3.05ct Round
$1,764 AUD