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Round|Lab Grown|IGI

1.18ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG731588288

Shape and cutting style on the report: Round brilliant

Certificate IGI LG731588288

Diamond specifications and retailer prices

From $281 AUD
As of November 6, 2026
Save $1,333 AUD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,614 AUD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.18ct lab-grown round diamond

This 1.18ct 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 LG731588288 or 731588288. Listed at 21 retailers as of November 6, 2026, with prices from $281 to $1,614, a $1,333 spread on the same certified stone. Reve Diamonds lists it at $1,614. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731588288
Dimensions6.80 × 6.73 × 4.13 mm
L/W Ratio1.01
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
6.80 mm6.73 mm1.18 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731588288
Side View
Table 58.0%Crown 34.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.0%

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 6
Current: $530 AUD|Low: $242 AUD|High: $1,796 AUD|Avg: $804 AUD|-1.4%
Retailer 1
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
Reve Diamonds
November 6, 2026
Retailer 4$242 AUD
Retailer 14$281 AUD
Retailer 5$313 AUD
Retailer 7$502 AUD
Retailer 1$530 AUD
Retailer 9$549 AUD
Retailer 8$559 AUD
Retailer 2$672 AUD
Retailer 12$763 AUD
Retailer 3$856 AUD
Retailer 13$1,062 AUD
Retailer 6$1,084 AUD
Retailer 10$1,458 AUD
Retailer 11$1,572 AUD
Reve Diamonds$1,614 AUD

35 data points across 15 retailers

21 retailers$281 AUD to $1,614 AUD

Retailer 1
-
$242 AUD
Price last confirmed 30 days ago
A
Retailer 2
-
$281 AUD
View
Final sale: no returns
Retailer 3
-
$310 AUD
View
Price last confirmed 46 days ago
Retailer 4
-
$313 AUD
View
Price last confirmed 30 days ago
Retailer 5
-
$313 AUD
View
Price last confirmed 34 days ago
Retailer 6
-
$359 AUD
View
Price last confirmed 46 days ago
Retailer 7
-
$378 AUD
View
Price last confirmed 46 days ago
A
Retailer 8
-
$502 AUD
View
A
Retailer 9
-
$530 AUD
View
A
Retailer 10
-
$549 AUD
View
A
Retailer 11
-
$559 AUD
View
A
Retailer 12
-
$672 AUD
View
A
Retailer 13
-
$763 AUD
View
B+
Retailer 14
-
$856 AUD
View
Retailer 15
-
$1,006 AUD
View
Price last confirmed 35 days ago
B+
Retailer 16
-
$1,062 AUD
View
B+
Retailer 17
-
$1,084 AUD
View
Retailer 18
-
$1,234 AUD
View
Price last confirmed 47 days ago
B
Retailer 19
-
$1,458 AUD
View
B
Retailer 20
-
$1,572 AUD
View
Most Expensive
B
Reve Diamonds
54CE84EE0 · Nov 6
$1,614 AUD
$1,109 USD
View
20 more retailers have this diamond
Prices start from $281 AUDSave up to $1,333 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
1.18ct Round
$281 AUD