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Radiant|Lab Grown|IGI

1.16ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG618434067

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG618434067

Diamond specifications and retailer prices

From $1,394 AUD
As of October 29, 2026
Save $485 AUD (26%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,420 AUD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.16ct lab-grown radiant diamond

This 1.16ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG618434067 or 618434067. Listed at 11 retailers as of October 29, 2026, with a 35% 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

1.16
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618434067
Dimensions7.61 × 5.25 × 3.42 mm
L/W Ratio1.45
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
7.61 mm5.25 mm1.16 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618434067
Side View
Table 67.0%Crown 40°Girdle: Slightly ThickPavilion 36.3°Culet: NoneDepth 65.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,420 AUD|Low: $282 AUD|High: $2,491 AUD|Avg: $1,152 AUD|-2.9%
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
October 29, 2026
Retailer 13$282 AUD
Retailer 12$525 AUD
Retailer 8$540 AUD
Retailer 7$571 AUD
Retailer 4$801 AUD
Retailer 11$812 AUD
Retailer 3$931 AUD
Retailer 10$1,088 AUD
Retailer 2$1,394 AUD
Retailer 9$1,582 AUD
Retailer 6$1,879 AUD
Retailer 5$2,349 AUD
Brilliant Earth$2,420 AUD

20 data points across 13 retailers

11 retailers$1,394 AUD to $1,879 AUD

Retailer 1
-
$245 AUD
$172 USD
Price last confirmed 24 days ago
Retailer 2
-
$283 AUD
$199 USD
View
Price last confirmed 35 days ago
Retailer 3
-
$540 AUD
$379 USD
View
Price last confirmed 25 days ago
Retailer 4
-
$931 AUD
$654 USD
View
Price last confirmed 23 days ago
Retailer 5
-
$1,075 AUD
$755 USD
View
Price last confirmed 32 days ago
B+
Retailer 6
-
$1,394 AUD
View
Retailer 7
-
$1,582 AUD
£875 GBP
View
Price last confirmed 27 days ago
B+
Retailer 8
-
$1,879 AUD
$1,320 USD
View
Retailer 9
-
$1,929 AUD
$1,355 USD
View
Price last confirmed 27 days ago
Retailer 10
-
$2,188 AUD
$1,537 USD
View
Most Expensive
Brilliant Earth
9922476Y · Oct 8
$2,420 AUD
$1,700 USD
View
Price last confirmed 24 days ago
10 more retailers have this diamond
Prices start from $1,394 AUDSave up to $485 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.

B+
1.16ct Radiant
$1,394 AUD