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Round|Lab Grown|IGI

2.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG636457387

Shape and cutting style on the report: Round brilliant

Certificate IGI LG636457387

Diamond specifications and retailer prices

From $350 AUD
$245 USD
As of November 1, 2026
Save $1,591 AUD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,941 AUD at Brilliant Earth · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG636457387 or 636457387. Listed at 16 retailers as of November 1, 2026, with prices from $350 to $1,941, a $1,591 spread on the same certified stone. Brilliant Earth lists it at $1,941. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636457387
Dimensions8.26 × 8.21 × 4.94 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
8.26 mm8.21 mm2.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636457387
Side View
Table 58.0%Crown 33.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.0%

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 1
Current: $1,941 AUD|Low: $335 AUD|High: $1,983 AUD|Avg: $877 AUD|-2.2%
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 10$350 AUD
Retailer 11$405 AUD
Retailer 3$432 AUD
Retailer 12$432 AUD
Retailer 6$711 AUD
Retailer 13$729 AUD
Retailer 2$733 AUD
Retailer 7$820 AUD
Retailer 5$820 AUD
Retailer 9$1,142 AUD
Retailer 4$1,391 AUD
Retailer 8$1,734 AUD
Brilliant Earth$1,941 AUD

44 data points across 13 retailers

16 retailers$350 AUD to $1,941 AUD

A
Cheapest Retailer
-
$350 AUD
$245 USD
A
Retailer 2
-
$405 AUD
$284 USD
View
A
Retailer 3
-
$432 AUD
$303 USD
View
Retailer 4
-
$432 AUD
$303 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$711 AUD
£392 GBP
View
B+
Retailer 6
-
$729 AUD
$511 USD
View
A
Retailer 7
-
$733 AUD
€489 EUR
View
A
Retailer 8
-
$816 AUD
$572 USD
View
A
Retailer 9
-
$820 AUD
£452 GBP
View
A
Retailer 10
-
$820 AUD
$575 USD
View
B+
Retailer 11
-
$1,142 AUD
$800 USD
View
Retailer 12
-
$1,270 AUD
$890 USD
View
Price last confirmed 47 days ago
B+
Retailer 13
-
$1,391 AUD
$975 USD
View
B+
Retailer 14
-
$1,466 AUD
$1,027 USD
View
B
Retailer 15
-
$1,734 AUD
£957 GBP
View
Most Expensive
B
Brilliant Earth
14981592A · Nov 2
$1,941 AUD
$1,360 USD
View
15 more retailers have this diamond
Prices start from $350 AUDSave up to $1,591 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
$350 AUD