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Round|Lab Grown|IGI

3.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG849665305

Shape and cutting style on the report: Round brilliant

Certificate IGI LG849665305

Diamond specifications and retailer prices

From $969 AUD
As of November 2, 2026
Save $3,031 AUD (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,000 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.05ct lab-grown round diamond

This 3.05ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG849665305 or 849665305. Listed at 12 retailers as of October 31, 2026, with prices from $969 to $4,000, a $3,031 spread on the same certified stone. Brilliant Earth lists it at $4,000. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849665305
Dimensions9.37 × 9.40 × 5.65 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.37 mm9.40 mm3.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849665305
Side View
Table 58.0%Crown 33.2°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.2%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $4,000 AUD|Low: $654 AUD|High: $4,000 AUD|Avg: $1,827 AUD
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
November 2, 2026
Retailer 4$654 AUD
Retailer 2$969 AUD
Retailer 12$997 AUD
Retailer 7$1,000 AUD
Retailer 6$1,189 AUD
Retailer 8$1,209 AUD
Retailer 3$1,581 AUD
Retailer 10$2,036 AUD
Retailer 5$2,381 AUD
Retailer 13$2,660 AUD
Retailer 11$2,838 AUD
Retailer 9$2,886 AUD
Brilliant Earth$4,000 AUD

12 data points across 13 retailers

12 retailers$969 AUD to $4,000 AUD

A
Cheapest Retailer
-
$969 AUD
B+
Retailer 2
-
$997 AUD
View
A
Retailer 3
-
$1,000 AUD
View
A
Retailer 4
-
$1,189 AUD
View
Retailer 5
-
$1,209 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$1,581 AUD
View
B+
Retailer 7
-
$2,036 AUD
View
B
Retailer 8
-
$2,381 AUD
View
B
Retailer 9
-
$2,660 AUD
View
Retailer 10
-
$2,838 AUD
View
Price last confirmed 12 days ago
Retailer 11
-
$2,886 AUD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
22239098A · Oct 31
$4,000 AUD
$2,800 USD
View
11 more retailers have this diamond
Prices start from $969 AUDSave up to $3,031 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
$969 AUD