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Round|Lab Grown|IGI

1.05ct F IF Round Lab Grown Diamond

EX • F/IF • IGI LG823605818

Shape and cutting style on the report: Round brilliant

Certificate IGI LG823605818

Diamond specifications and retailer prices

From $297 AUD
$208 USD
As of November 1, 2026
Save $1,786 AUD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,083 AUD at Brilliant Earth · As of November 1, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG823605818 or 823605818. Listed at 20 retailers as of November 1, 2026, with prices from $297 to $2,083, a $1,786 spread on the same certified stone. Brilliant Earth lists it at $2,083. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823605818
Dimensions6.46 × 6.49 × 4.02 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
6.46 mm6.49 mm1.05 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823605818
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.2%

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: $2,083 AUD|Low: $297 AUD|High: $2,283 AUD|Avg: $919 AUD|-7.0%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 3, 2026
Retailer 3$297 AUD
Retailer 13$347 AUD
Retailer 5$367 AUD
Retailer 14$370 AUD
Retailer 10$420 AUD
Retailer 4$497 AUD
Retailer 16$608 AUD
Retailer 17$634 AUD
Retailer 2$681 AUD
Retailer 9$705 AUD
Retailer 19$890 AUD
Retailer 15$898 AUD
Retailer 7$1,009 AUD
Retailer 6$1,181 AUD
Retailer 8$1,257 AUD
Retailer 12$1,286 AUD
Retailer 18$1,471 AUD
Retailer 11$1,768 AUD
Brilliant Earth$2,083 AUD

33 data points across 19 retailers

20 retailers$297 AUD to $2,083 AUD

A
Cheapest Retailer
-
$297 AUD
$208 USD
A
Retailer 2
-
$347 AUD
$243 USD
View
Retailer 3
-
$367 AUD
$257 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$370 AUD
$259 USD
View
A
Retailer 5
-
$420 AUD
HK$2,300 HKD
View
A
Retailer 6
-
$497 AUD
$348 USD
View
A
Retailer 7
-
$608 AUD
€406 EUR
View
A
Retailer 8
-
$634 AUD
ZAR 7,180 ZAR
View
B+
Retailer 9
-
$681 AUD
£376 GBP
View
B+
Retailer 10
-
$705 AUD
$494 USD
View
B+
Retailer 11
-
$890 AUD
$624 USD
View
B+
Retailer 12
-
$898 AUD
View
B+
Retailer 13
-
$1,009 AUD
SGD 956 SGD
View
B
Retailer 14
-
$1,181 AUD
$828 USD
View
B
Retailer 15
-
$1,257 AUD
$881 USD
View
B
Retailer 16
-
$1,286 AUD
$901 USD
View
Retailer 17
-
$1,291 AUD
$905 USD
View
Price last confirmed 8 days ago
B
Retailer 18
-
$1,471 AUD
£812 GBP
View
B
Retailer 19
-
$1,768 AUD
$1,239 USD
View
Most Expensive
B
Brilliant Earth
21101731A · Nov 1
$2,083 AUD
$1,460 USD
View
19 more retailers have this diamond
Prices start from $297 AUDSave up to $1,786 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
$297 AUD