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Radiant|Lab Grown|IGI

1.50ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG744515326

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

Certificate IGI LG744515326

Diamond specifications and retailer prices

From $367 AUD
$258 USD
As of October 30, 2026
Save $2,950 AUD (89%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $3,317 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG744515326 or 744515326. Listed at 30 retailers as of October 30, 2026, with prices from $367 to $3,317, a $2,950 spread on the same certified stone. Brilliant Earth lists it at $3,317. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744515326
Dimensions5.72 × 5.72 × 3.73 mm
L/W Ratio1.00
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
5.72 mm5.72 mm1.50 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744515326
Side View
Table 62.0%Crown 42.3°Girdle: Slightly ThickPavilion 33.4°Culet: NoneDepth 65.2%

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: Oct 30
Current: $3,317 AUD|Low: $367 AUD|High: $3,986 AUD|Avg: $1,497 AUD|-16.8%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 4$367 AUD
Retailer 20$436 AUD
Retailer 3$669 AUD
Retailer 12$692 AUD
Retailer 5$712 AUD
Retailer 16$830 AUD
Retailer 10$830 AUD
Retailer 19$865 AUD
Retailer 13$889 AUD
Retailer 6$1,105 AUD
Retailer 11$1,127 AUD
Retailer 18$1,171 AUD
Retailer 22$1,401 AUD
Retailer 8$1,792 AUD
Retailer 14$1,854 AUD
Retailer 7$1,961 AUD
Retailer 15$1,987 AUD
Retailer 2$2,016 AUD
Retailer 17$2,026 AUD
Retailer 21$3,047 AUD
Retailer 9$3,260 AUD
Brilliant Earth$3,317 AUD

38 data points across 22 retailers

30 retailers$367 AUD to $3,317 AUD

A
Cheapest Retailer
-
$367 AUD
$258 USD
Retailer 2
-
$367 AUD
$258 USD
View
Price last confirmed 25 days ago
Retailer 3
-
$383 AUD
$269 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$436 AUD
$306 USD
View
Final sale: no returns
Retailer 5
-
$444 AUD
$312 USD
View
Price last confirmed 35 days ago
Retailer 6
-
$456 AUD
$320 USD
View
Price last confirmed 30 days ago
Retailer 7
-
$468 AUD
$329 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
$669 AUD
$470 USD
View
A
Retailer 9
-
$692 AUD
HK$3,800 HKD
View
A
Retailer 10
-
$712 AUD
$500 USD
View
A
Retailer 11
-
$830 AUD
€555 EUR
View
A
Retailer 12
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$830 AUD
$583 USD
View
A
Retailer 13
-
$865 AUD
ZAR 9,812 ZAR
View
A
Retailer 14
-
$889 AUD
£492 GBP
View
A
Retailer 15
-
$1,105 AUD
$776 USD
View
A
Retailer 16
-
$1,127 AUD
$792 USD
View
A
Retailer 17
-
$1,171 AUD
View
B+
Retailer 18
-
$1,401 AUD
$984 USD
View
B+
Retailer 19
-
$1,617 AUD
$1,136 USD
View
Retailer 20
-
$1,617 AUD
$1,136 USD
View
Price last confirmed 22 days ago
Retailer 21
-
$1,686 AUD
$1,184 USD
View
Price last confirmed 32 days ago
B+
Retailer 22
-
$1,792 AUD
$1,259 USD
View
B+
Retailer 23
-
$1,854 AUD
$1,302 USD
View
B+
Retailer 24
-
$1,961 AUD
$1,377 USD
View
B+
Retailer 25
-
$1,987 AUD
SGD 1,886 SGD
View
B+
Retailer 26
-
$2,016 AUD
£1,115 GBP
View
B+
Retailer 27
-
$2,026 AUD
View
B
Retailer 28
-
$3,047 AUD
$2,140 USD
View
B
Retailer 29
-
$3,260 AUD
$2,290 USD
View
Most Expensive
B
Brilliant Earth
17457319Y · Oct 31
$3,317 AUD
$2,330 USD
View
29 more retailers have this diamond
Prices start from $367 AUDSave up to $2,950 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
1.50ct Radiant
$367 AUD