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Round|Lab Grown|IGI

2.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG743506975

Shape and cutting style on the report: Round brilliant

Certificate IGI LG743506975

Diamond specifications and retailer prices

From $443 AUD
As of November 5, 2026
Save $3,243 AUD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,686 AUD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 2.05ct lab-grown round diamond

This 2.05ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG743506975 or 743506975. Listed at 17 retailers as of November 5, 2026, with prices from $443 to $3,686, a $3,243 spread on the same certified stone. Brilliant Earth lists it at $3,686. 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

2.05
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743506975
Dimensions8.13 × 8.08 × 5.01 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
8.13 mm8.08 mm2.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743506975
Side View
Table 58.0%Crown 35.1°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.7%

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: $3,686 AUD|Low: $363 AUD|High: $3,686 AUD|Avg: $1,146 AUD|+0.4%
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
Retailer 17
November 6, 2026
Retailer 17$443 AUD
Retailer 9$514 AUD
Retailer 3$549 AUD
Retailer 4$549 AUD
Retailer 15$771 AUD
Retailer 10$789 AUD
Retailer 7$894 AUD
Retailer 14$899 AUD
Retailer 6$924 AUD
Retailer 5$949 AUD
Retailer 2$964 AUD
Retailer 13$993 AUD
Retailer 12$1,621 AUD
Retailer 16$1,687 AUD
Retailer 8$1,766 AUD
Retailer 11$2,194 AUD
Brilliant Earth$3,686 AUD

35 data points across 17 retailers

17 retailers$443 AUD to $3,686 AUD

A
Cheapest Retailer
-
$443 AUD
A
Retailer 2
-
$514 AUD
View
Retailer 3
-
$549 AUD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$549 AUD
View
A
Retailer 5
-
$771 AUD
View
A
Retailer 6
-
$789 AUD
View
B+
Retailer 7
-
$894 AUD
View
A
Retailer 8
-
$899 AUD
View
A
Retailer 9
-
$924 AUD
View
A
Retailer 10
-
$949 AUD
View
A
Retailer 11
-
$964 AUD
View
Retailer 12
-
$993 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$1,621 AUD
View
B
Retailer 14
-
$1,687 AUD
View
B
Retailer 15
-
$1,766 AUD
View
B
Retailer 16
-
$2,194 AUD
View
Most Expensive
B
Brilliant Earth
16515657A · Nov 5
$3,686 AUD
$2,580 USD
View
16 more retailers have this diamond
Prices start from $443 AUDSave up to $3,243 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
2.05ct Round
$443 AUD