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Round|Lab Grown|IGI

1.05ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG811690422

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811690422

Diamond specifications and retailer prices

From $256 AUD
As of November 3, 2026
Save $1,562 AUD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,819 AUD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811690422 or 811690422. Listed at 21 retailers as of November 3, 2026, with prices from $256 to $1,819, a $1,562 spread on the same certified stone. Brilliant Earth lists it at $1,819. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811690422
Dimensions6.54 × 6.52 × 3.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.54 mm6.52 mm1.05 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811690422
Side View
Table 60.0%Crown 33.2°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.1%

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 3
Current: $1,819 AUD|Low: $246 AUD|High: $2,005 AUD|Avg: $672 AUD|-8.0%
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 4, 2026
Retailer 13$256 AUD
Retailer 4$298 AUD
Retailer 3$318 AUD
Retailer 5$447 AUD
Retailer 7$530 AUD
Retailer 11$548 AUD
Retailer 9$556 AUD
Retailer 6$564 AUD
Retailer 10$775 AUD
Retailer 12$792 AUD
Retailer 2$1,260 AUD
Retailer 8$1,485 AUD
Brilliant Earth$1,819 AUD

36 data points across 13 retailers

21 retailers$256 AUD to $1,819 AUD

A
Cheapest Retailer
-
$256 AUD
A
Retailer 2
-
$298 AUD
View
Retailer 3
-
$318 AUD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$318 AUD
View
A
Retailer 5
-
$384 AUD
View
B+
Retailer 6
-
$447 AUD
View
A
Retailer 7
-
$530 AUD
View
A
Retailer 8
-
$548 AUD
View
A
Retailer 9
-
$556 AUD
View
A
Retailer 10
-
$564 AUD
View
B+
Retailer 11
-
$663 AUD
View
B+
Retailer 12
-
$775 AUD
View
B+
Retailer 13
-
$792 AUD
View
B+
Retailer 14
-
$899 AUD
View
B+
Retailer 15
-
$915 AUD
View
B+
Retailer 16
-
$1,022 AUD
View
B
Retailer 17
-
$1,098 AUD
View
B
Retailer 18
-
$1,131 AUD
View
B
Retailer 19
-
$1,260 AUD
View
B
Retailer 20
-
$1,485 AUD
View
Most Expensive
B
Brilliant Earth
20619062A · Nov 3
$1,819 AUD
$1,270 USD
View
20 more retailers have this diamond
Prices start from $256 AUDSave up to $1,562 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
1.05ct Round
$256 AUD