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Round|Lab Grown|IGI

2.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG799648890

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799648890

Diamond specifications and retailer prices

From $370 AUD
$260 USD
As of November 1, 2026
Save $1,836 AUD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,207 AUD at Brilliant Earth · As of October 31, 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 LG799648890 or 799648890. Listed at 20 retailers as of October 31, 2026, with prices from $370 to $2,207, a $1,836 spread on the same certified stone. Brilliant Earth lists it at $2,207. 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 angle34.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799648890
Dimensions8.22 × 8.17 × 5.00 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
8.22 mm8.17 mm2.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799648890
Side View
Table 59.0%Crown 34.8°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 61.0%

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: $2,207 AUD|Low: $357 AUD|High: $2,320 AUD|Avg: $1,038 AUD|-0.6%
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
Retailer 18
November 2, 2026
Retailer 6$370 AUD
Retailer 13$414 AUD
Retailer 18$430 AUD
Retailer 12$460 AUD
Retailer 10$461 AUD
Retailer 14$683 AUD
Retailer 3$764 AUD
Retailer 8$823 AUD
Retailer 9$859 AUD
Retailer 2$876 AUD
Retailer 17$971 AUD
Retailer 16$1,182 AUD
Retailer 11$1,459 AUD
Retailer 15$1,476 AUD
Retailer 5$1,481 AUD
Retailer 4$1,549 AUD
Retailer 7$1,860 AUD
Brilliant Earth$2,207 AUD

37 data points across 18 retailers

20 retailers$370 AUD to $2,207 AUD

Retailer 1
-
$362 AUD
$254 USD
Price last confirmed 44 days ago
A
Retailer 2
-
$370 AUD
$260 USD
View
A
Retailer 3
-
$414 AUD
$291 USD
View
Final sale: no returns
A
Retailer 4
-
$430 AUD
$302 USD
View
Retailer 5
-
$443 AUD
$311 USD
View
Price last confirmed 43 days ago
A
Retailer 6
-
$460 AUD
$323 USD
View
Retailer 7
-
$461 AUD
$324 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$683 AUD
$480 USD
View
B+
Retailer 9
-
$764 AUD
$537 USD
View
A
Retailer 10
-
$823 AUD
$578 USD
View
A
Retailer 11
-
$859 AUD
View
A
Retailer 12
-
$876 AUD
£484 GBP
View
A
Retailer 13
-
$971 AUD
$682 USD
View
B+
Retailer 14
-
$1,182 AUD
$830 USD
View
B+
Retailer 15
-
$1,459 AUD
$1,025 USD
View
B+
Retailer 16
-
$1,476 AUD
$1,037 USD
View
B+
Retailer 17
-
$1,481 AUD
SGD 1,406 SGD
View
B
Retailer 18
-
$1,549 AUD
$1,088 USD
View
B
Retailer 19
-
$1,860 AUD
£1,029 GBP
View
Most Expensive
B
Brilliant Earth
21492567A · Oct 31
$2,207 AUD
$1,550 USD
View
19 more retailers have this diamond
Prices start from $370 AUDSave up to $1,836 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
$370 AUD