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Round|Lab Grown|IGI

1.05ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG727575191

Shape and cutting style on the report: Round brilliant

Certificate IGI LG727575191

Diamond specifications and retailer prices

From $265 AUD
$186 USD
As of November 1, 2026
Save $1,271 AUD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,312 AUD at Brilliant Earth · As of October 24, 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 LG727575191 or 727575191. Listed at 21 retailers as of November 1, 2026, with a 479% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727575191
Dimensions6.60 × 6.63 × 3.96 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.60 mm6.63 mm1.05 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727575191
Side View
Table 58.0%Crown 33.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,312 AUD|Low: $265 AUD|High: $2,697 AUD|Avg: $826 AUD|-14.3%
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
Retailer 20
November 2, 2026
Retailer 4$265 AUD
Retailer 20$307 AUD
Retailer 8$328 AUD
Retailer 9$328 AUD
Retailer 10$442 AUD
Retailer 2$560 AUD
Retailer 15$567 AUD
Retailer 12$576 AUD
Retailer 14$594 AUD
Retailer 3$693 AUD
Retailer 17$749 AUD
Retailer 6$779 AUD
Retailer 18$785 AUD
Retailer 13$801 AUD
Retailer 11$891 AUD
Retailer 19$1,051 AUD
Retailer 5$1,057 AUD
Retailer 7$1,134 AUD
Retailer 16$1,537 AUD
Brilliant Earth$2,312 AUD

38 data points across 20 retailers

21 retailers$265 AUD to $1,537 AUD

A
Cheapest Retailer
-
$265 AUD
$186 USD
A
Retailer 2
-
$307 AUD
$215 USD
View
A
Retailer 3
-
$328 AUD
$230 USD
View
Retailer 4
-
$328 AUD
$230 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$442 AUD
$310 USD
View
A
Retailer 6
-
$560 AUD
€374 EUR
View
A
Retailer 7
-
$567 AUD
ZAR 6,424 ZAR
View
Retailer 8
-
$576 AUD
£318 GBP
View
Price last confirmed 18 days ago
A
Retailer 9
-
$594 AUD
£328 GBP
View
B+
Retailer 10
-
$693 AUD
$486 USD
View
B+
Retailer 11
-
$749 AUD
View
B+
Retailer 12
-
$779 AUD
$546 USD
View
B+
Retailer 13
-
$785 AUD
$550 USD
View
B+
Retailer 14
-
$801 AUD
View
B+
Retailer 15
-
$891 AUD
SGD 844 SGD
View
B+
Retailer 16
-
$1,051 AUD
View
B+
Retailer 17
-
$1,057 AUD
$741 USD
View
B
Retailer 18
-
$1,134 AUD
$795 USD
View
Retailer 19
-
$1,425 AUD
$999 USD
View
Price last confirmed 91 days ago
B
Retailer 20
-
$1,537 AUD
£848 GBP
View
Most Expensive
Brilliant Earth
18208684A · Oct 24
$2,312 AUD
$1,620 USD
View
Price last confirmed 9 days ago
20 more retailers have this diamond
Prices start from $265 AUDSave up to $1,271 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
$265 AUD