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Round|Lab Grown|IGI

1.05ct F IF Round Lab Grown Diamond

EX • F/IF • IGI LG800683279

Shape and cutting style on the report: Round brilliant

Certificate IGI LG800683279

Diamond specifications and retailer prices

From $273 AUD
$191 USD
As of November 1, 2026
Save $1,411 AUD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,684 AUD at Brilliant Earth · As of November 2, 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 LG800683279 or 800683279. Listed at 18 retailers as of November 1, 2026, with prices from $273 to $1,684, a $1,411 spread on the same certified stone. Brilliant Earth lists it at $1,684. 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 angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800683279
Dimensions6.48 × 6.43 × 4.07 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.48 mm6.43 mm1.05 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800683279
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.0%

Caratlytics Score

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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: $1,684 AUD|Low: $267 AUD|High: $1,969 AUD|Avg: $809 AUD|-14.5%
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
November 2, 2026
Retailer 5$273 AUD
Retailer 6$305 AUD
Retailer 7$330 AUD
Retailer 10$571 AUD
Retailer 13$584 AUD
Retailer 15$592 AUD
Retailer 12$615 AUD
Retailer 14$681 AUD
Retailer 16$696 AUD
Retailer 11$825 AUD
Retailer 9$899 AUD
Retailer 4$1,139 AUD
Retailer 3$1,165 AUD
Retailer 8$1,334 AUD
Retailer 2$1,582 AUD
Brilliant Earth$1,684 AUD

35 data points across 16 retailers

18 retailers$273 AUD to $1,684 AUD

A
Cheapest Retailer
-
$273 AUD
$191 USD
A
Retailer 2
-
$305 AUD
$214 USD
View
Final sale: no returns
Retailer 3
-
$330 AUD
$231 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$340 AUD
$238 USD
View
Price last confirmed 48 days ago
A
Retailer 5
-
$571 AUD
€381 EUR
View
A
Retailer 6
-
$584 AUD
ZAR 6,616 ZAR
View
A
Retailer 7
-
$592 AUD
$415 USD
View
A
Retailer 8
-
$615 AUD
£339 GBP
View
A
Retailer 9
-
$681 AUD
$477 USD
View
B+
Retailer 10
-
$696 AUD
$488 USD
View
B+
Retailer 11
-
$825 AUD
View
B+
Retailer 12
-
$899 AUD
$630 USD
View
Retailer 13
-
$1,009 AUD
$707 USD
View
Price last confirmed 48 days ago
B
Retailer 14
-
$1,139 AUD
$798 USD
View
B
Retailer 15
-
$1,165 AUD
$816 USD
View
Retailer 16
-
$1,334 AUD
$935 USD
View
Price last confirmed 33 days ago
B
Retailer 17
-
$1,582 AUD
£873 GBP
View
Most Expensive
B
Brilliant Earth
20725977A · Nov 2
$1,684 AUD
$1,180 USD
View
17 more retailers have this diamond
Prices start from $273 AUDSave up to $1,411 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
$273 AUD