Radiant|Lab Grown|IGI

1.43ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG739586901

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

Certificate IGI LG739586901

Diamond specifications and retailer prices

From $361 AUD
$253 USD
As of November 2, 2026
Save $3,392 AUD (90%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $3,753 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.43ct lab-grown radiant diamond

This 1.43ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739586901 or 739586901. Listed at 30 retailers as of November 2, 2026, with prices from $361 to $3,753, a $3,392 spread on the same certified stone. Brilliant Earth lists it at $3,753. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739586901
Dimensions8.20 × 5.58 × 3.65 mm
L/W Ratio1.47
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
8.20 mm5.58 mm1.43 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739586901
Side View
Table 63.0%Crown 42.6°Girdle: MediumPavilion 32.7°Culet: NoneDepth 65.4%

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 2
Current: $3,753 AUD|Low: $361 AUD|High: $4,181 AUD|Avg: $1,242 AUD|-10.2%
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
November 3, 2026
Retailer 4$361 AUD
Retailer 11$404 AUD
Retailer 6$530 AUD
Retailer 5$631 AUD
Retailer 13$635 AUD
Retailer 10$745 AUD
Retailer 9$772 AUD
Retailer 7$819 AUD
Retailer 2$852 AUD
Retailer 12$1,089 AUD
Retailer 15$1,374 AUD
Retailer 8$1,792 AUD
Retailer 3$1,836 AUD
Retailer 14$2,911 AUD
Brilliant Earth$3,753 AUD

40 data points across 15 retailers

30 retailers$361 AUD to $3,753 AUD

A
Cheapest Retailer
-
$361 AUD
$253 USD
Retailer 2
-
$361 AUD
$253 USD
View
Price last confirmed 25 days ago
Retailer 3
-
$361 AUD
$253 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
$404 AUD
$283 USD
View
Final sale: no returns
Retailer 5
-
$418 AUD
$293 USD
View
Price last confirmed 36 days ago
Retailer 6
-
$441 AUD
$309 USD
View
Price last confirmed 36 days ago
Retailer 7
-
$441 AUD
$309 USD
View
Price last confirmed 33 days ago
Retailer 8
-
$448 AUD
$314 USD
View
Price last confirmed 30 days ago
A
Retailer 9
-
$530 AUD
HK$2,900 HKD
View
A
Retailer 10
-
$631 AUD
$442 USD
View
A
Retailer 11
-
$635 AUD
$445 USD
View
A
Retailer 12
-
$745 AUD
€497 EUR
View
A
Retailer 13
-
$772 AUD
ZAR 8,745 ZAR
View
A
Retailer 14
-
$819 AUD
$574 USD
View
A
Retailer 15
-
$852 AUD
£470 GBP
View
A
Retailer 16
-
$988 AUD
$692 USD
View
A
Retailer 17
-
$1,089 AUD
View
B+
Retailer 18
-
$1,243 AUD
$871 USD
View
B+
Retailer 19
-
$1,374 AUD
$963 USD
View
Retailer 20
-
$1,438 AUD
$1,008 USD
View
Price last confirmed 23 days ago
B+
Retailer 21
-
$1,438 AUD
$1,008 USD
View
Retailer 22
-
$1,438 AUD
$1,008 USD
View
Price last confirmed 33 days ago
B+
Retailer 23
-
$1,510 AUD
$1,058 USD
View
B+
Retailer 24
-
$1,510 AUD
SGD 1,430 SGD
View
B+
Retailer 25
-
$1,512 AUD
$1,059 USD
View
B+
Retailer 26
-
$1,792 AUD
£989 GBP
View
Retailer 27
-
$1,836 AUD
View
Price last confirmed 25 days ago
B+
Retailer 28
-
$1,944 AUD
$1,362 USD
View
B
Retailer 29
-
$2,911 AUD
$2,040 USD
View
Most Expensive
B
Brilliant Earth
16164134A · Nov 2
$3,753 AUD
$2,630 USD
View
29 more retailers have this diamond
Prices start from $361 AUDSave up to $3,392 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
1.43ct Radiant
$361 AUD