Round|Lab Grown|IGI

2.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG799642537

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799642537

Diamond specifications and retailer prices

From $373 AUD
$262 USD
As of November 1, 2026
Save $1,876 AUD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,249 AUD at Brilliant Earth · As of October 30, 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 LG799642537 or 799642537. Listed at 19 retailers as of October 30, 2026, with prices from $373 to $2,249, a $1,876 spread on the same certified stone. Brilliant Earth lists it at $2,249. 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 angle34.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799642537
Dimensions8.23 × 8.18 × 4.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.23 mm8.18 mm2.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799642537
Side View
Table 59.0%Crown 34.1°Girdle: MediumPavilion 41.1°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 1
Current: $2,249 AUD|Low: $357 AUD|High: $2,320 AUD|Avg: $946 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 3$373 AUD
Retailer 5$417 AUD
Retailer 7$433 AUD
Retailer 8$461 AUD
Retailer 9$461 AUD
Retailer 17$690 AUD
Retailer 2$758 AUD
Retailer 16$767 AUD
Retailer 4$823 AUD
Retailer 13$859 AUD
Retailer 10$881 AUD
Retailer 15$974 AUD
Retailer 14$1,182 AUD
Retailer 12$1,459 AUD
Retailer 6$1,490 AUD
Retailer 11$1,851 AUD
Brilliant Earth$2,249 AUD

30 data points across 17 retailers

19 retailers$373 AUD to $2,249 AUD

A
Cheapest Retailer
-
$373 AUD
$262 USD
A
Retailer 2
-
$417 AUD
$293 USD
View
Final sale: no returns
A
Retailer 3
-
$433 AUD
$304 USD
View
Retailer 4
-
$461 AUD
$324 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$461 AUD
$324 USD
View
A
Retailer 6
-
$690 AUD
$485 USD
View
A
Retailer 7
-
$758 AUD
£419 GBP
View
B+
Retailer 8
-
$767 AUD
$539 USD
View
A
Retailer 9
-
$823 AUD
$578 USD
View
A
Retailer 10
-
$859 AUD
View
A
Retailer 11
-
$881 AUD
£487 GBP
View
A
Retailer 12
-
$974 AUD
$684 USD
View
B+
Retailer 13
-
$1,182 AUD
$830 USD
View
B+
Retailer 14
-
$1,459 AUD
$1,025 USD
View
B+
Retailer 15
-
$1,485 AUD
$1,043 USD
View
B+
Retailer 16
-
$1,490 AUD
SGD 1,414 SGD
View
B
Retailer 17
-
$1,558 AUD
$1,094 USD
View
B
Retailer 18
-
$1,851 AUD
£1,024 GBP
View
Most Expensive
B
Brilliant Earth
21503892A · Oct 30
$2,249 AUD
$1,580 USD
View
18 more retailers have this diamond
Prices start from $373 AUDSave up to $1,876 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
$373 AUD