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Round|Lab Grown|IGI

3.00ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • IGI LG542212651

Shape and cutting style on the report: Round brilliant

Certificate IGI LG542212651

Diamond specifications and retailer prices

From $680 AUD
As of November 5, 2026
Save $3,106 AUD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,786 AUD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3ct lab-grown round diamond

This 3ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG542212651 or 542212651. Listed at 16 retailers as of November 5, 2026, with prices from $680 to $3,786, a $3,106 spread on the same certified stone. Brilliant Earth lists it at $3,786. 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

3.00
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542212651
Dimensions9.42 × 9.39 × 5.50 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.42 mm9.39 mm3.00 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542212651
Side View
Table 62.5%Crown 32°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 58.4%

Caratlytics Score

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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: $3,786 AUD|Low: $653 AUD|High: $5,400 AUD|Avg: $1,658 AUD|-29.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 5, 2026
Retailer 13$680 AUD
Retailer 6$761 AUD
Retailer 7$761 AUD
Retailer 3$844 AUD
Retailer 15$844 AUD
Retailer 14$1,131 AUD
Retailer 2$1,166 AUD
Retailer 10$1,233 AUD
Retailer 4$1,264 AUD
Retailer 9$1,383 AUD
Retailer 5$1,551 AUD
Retailer 12$2,268 AUD
Retailer 16$2,713 AUD
Retailer 8$2,864 AUD
Retailer 11$3,116 AUD
Brilliant Earth$3,786 AUD

44 data points across 16 retailers

16 retailers$680 AUD to $3,786 AUD

A
Cheapest Retailer
-
$680 AUD
A
Retailer 2
-
$761 AUD
View
Final sale: no returns
A
Retailer 3
-
$761 AUD
View
A
Retailer 4
-
$844 AUD
View
Retailer 5
-
$844 AUD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$1,131 AUD
View
A
Retailer 7
-
$1,166 AUD
View
A
Retailer 8
-
$1,233 AUD
View
B+
Retailer 9
-
$1,264 AUD
View
B+
Retailer 10
-
$1,383 AUD
View
B+
Retailer 11
-
$1,551 AUD
View
B
Retailer 12
-
$2,268 AUD
View
B
Retailer 13
-
$2,713 AUD
View
Retailer 14
-
$2,864 AUD
View
Price last confirmed 58 days ago
Retailer 15
-
$3,116 AUD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
16081252A · Nov 5
$3,786 AUD
$2,650 USD
View
15 more retailers have this diamond
Prices start from $680 AUDSave up to $3,106 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
3.00ct Round
$680 AUD