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Round|Lab Grown|IGI

2.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG559255934

Shape and cutting style on the report: Round brilliant

Certificate IGI LG559255934

Diamond specifications and retailer prices

From $433 AUD
As of November 5, 2026
Save $3,253 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 LG559255934 or 559255934. Listed at 17 retailers as of November 5, 2026, with prices from $433 to $3,686, a $3,253 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 angle33.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559255934
Dimensions8.20 × 8.17 × 4.98 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
8.20 mm8.17 mm2.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559255934
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.9%

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: $433 AUD|High: $3,800 AUD|Avg: $1,295 AUD|-3.0%
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 5, 2026
Retailer 12$433 AUD
Retailer 3$484 AUD
Retailer 13$537 AUD
Retailer 11$721 AUD
Retailer 9$757 AUD
Retailer 8$866 AUD
Retailer 4$920 AUD
Retailer 6$940 AUD
Retailer 10$1,347 AUD
Retailer 7$1,607 AUD
Retailer 5$1,791 AUD
Retailer 2$2,144 AUD
Brilliant Earth$3,686 AUD

44 data points across 13 retailers

17 retailers$433 AUD to $3,686 AUD

A
Cheapest Retailer
-
$433 AUD
A
Retailer 2
-
$484 AUD
View
Final sale: no returns
A
Retailer 3
-
$501 AUD
View
Retailer 4
-
$537 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$537 AUD
View
B+
Retailer 6
-
$721 AUD
View
A
Retailer 7
-
$757 AUD
View
A
Retailer 8
-
$866 AUD
View
A
Retailer 9
-
$920 AUD
View
A
Retailer 10
-
$940 AUD
View
B+
Retailer 11
-
$1,347 AUD
View
B+
Retailer 12
-
$1,607 AUD
View
B
Retailer 13
-
$1,724 AUD
View
B
Retailer 14
-
$1,791 AUD
View
B
Retailer 15
-
$2,144 AUD
View
Most Expensive
B
Brilliant Earth
21311940A · Nov 5
$3,686 AUD
$2,580 USD
View
15 more retailers have this diamond
Prices start from $433 AUDSave up to $3,253 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
$433 AUD