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Round|Lab Grown|IGI

3.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG648415143

Shape and cutting style on the report: Round brilliant

Certificate IGI LG648415143

Diamond specifications and retailer prices

From $1,084 AUD
As of November 5, 2026
Save $2,653 AUD (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,737 AUD at MOH London · As of November 5, 2026
View at MOH London

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 LG648415143 or 648415143. Listed at 7 retailers as of November 5, 2026, with prices from $1,084 to $3,737, a $2,653 spread on the same certified stone. MOH London lists it at $3,737. 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 angle35°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648415143
Dimensions9.32 × 9.24 × 5.73 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
9.32 mm9.24 mm3.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648415143
Side View
Table 57.0%Crown 35°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $3,737 AUD|Low: $1,084 AUD|High: $4,574 AUD|Avg: $2,078 AUD|-18.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$1,084 AUD
Retailer 5$1,239 AUD
Retailer 4$1,273 AUD
Retailer 2$1,467 AUD
Retailer 3$2,364 AUD
Retailer 7$3,088 AUD
MOH London$3,737 AUD

37 data points across 7 retailers

7 retailers$1,084 AUD to $3,737 AUD

A
Cheapest Retailer
-
$1,084 AUD
A
Retailer 2
-
$1,239 AUD
View
B+
Retailer 3
-
$1,273 AUD
View
A
Retailer 4
-
$1,467 AUD
View
B
Retailer 5
-
$2,364 AUD
View
B
Retailer 6
-
$3,088 AUD
View
Most Expensive
B
MOH London
LG648415143 · Nov 5
$3,737 AUD
£2,060 GBP
View
6 more retailers have this diamond
Prices start from $1,084 AUDSave up to $2,653 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
3.05ct Round
$1,084 AUD