CaratHunter
Plans
Round|Lab Grown|IGI

1.18ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG757503999

Shape and cutting style on the report: Round brilliant

Certificate IGI LG757503999

Diamond specifications and retailer prices

From $252 AUD
As of November 5, 2026
Save $1,320 AUD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,572 AUD at Rare Carat · As of November 4, 2026
View at Rare Carat

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 LG757503999 or 757503999. Listed at 16 retailers as of November 4, 2026, with prices from $252 to $1,572, a $1,320 spread on the same certified stone. Rare Carat lists it at $1,572. 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 angle33.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG757503999
Dimensions6.82 × 6.86 × 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
6.82 mm6.86 mm1.18 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG757503999
Side View
Table 57.0%Crown 33.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.4%

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 5
Current: $1,572 AUD|Low: $252 AUD|High: $1,615 AUD|Avg: $715 AUD|-2.7%
Rare Carat
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
November 6, 2026
Retailer 12$252 AUD
Retailer 14$281 AUD
Retailer 5$293 AUD
Retailer 3$313 AUD
Retailer 2$530 AUD
Retailer 8$549 AUD
Retailer 7$559 AUD
Retailer 13$672 AUD
Retailer 11$763 AUD
Retailer 4$1,006 AUD
Retailer 10$1,062 AUD
Retailer 6$1,084 AUD
Retailer 9$1,458 AUD
Rare Carat$1,572 AUD

43 data points across 14 retailers

16 retailers$252 AUD to $1,572 AUD

A
Cheapest Retailer
-
$252 AUD
A
Retailer 2
-
$281 AUD
View
Final sale: no returns
A
Retailer 3
-
$293 AUD
View
A
Retailer 4
-
$313 AUD
View
Retailer 5
-
$316 AUD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$530 AUD
View
A
Retailer 7
-
$549 AUD
View
A
Retailer 8
-
$559 AUD
View
A
Retailer 9
-
$672 AUD
View
A
Retailer 10
-
$763 AUD
View
B+
Retailer 11
-
$856 AUD
View
B+
Retailer 12
-
$1,006 AUD
View
B+
Retailer 13
-
$1,062 AUD
View
B+
Retailer 14
-
$1,084 AUD
View
B
Retailer 15
-
$1,458 AUD
View
Most Expensive
B
Rare Carat
GD17605_l_757503999 · Nov 4
$1,572 AUD
$1,080 USD
View
15 more retailers have this diamond
Prices start from $252 AUDSave up to $1,320 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
$252 AUD