CaratHunter
Plans
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 $458 NZD
$258 USD
As of October 30, 2026
Save $3,676 NZD (89%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $4,134 NZD 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 $458 to $4,134, a $3,676 spread on the same certified stone. Brilliant Earth lists it at $4,134. 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

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: Oct 30
Current: $4,134 NZD|Low: $458 NZD|High: $4,968 NZD|Avg: $1,866 NZD|-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$458 NZD
Retailer 20$543 NZD
Retailer 3$834 NZD
Retailer 12$863 NZD
Retailer 5$887 NZD
Retailer 16$1,034 NZD
Retailer 10$1,034 NZD
Retailer 19$1,078 NZD
Retailer 13$1,108 NZD
Retailer 6$1,377 NZD
Retailer 11$1,405 NZD
Retailer 18$1,459 NZD
Retailer 22$1,746 NZD
Retailer 8$2,234 NZD
Retailer 14$2,311 NZD
Retailer 7$2,444 NZD
Retailer 15$2,476 NZD
Retailer 2$2,512 NZD
Retailer 17$2,525 NZD
Retailer 21$3,797 NZD
Retailer 9$4,063 NZD
Brilliant Earth$4,134 NZD

38 data points across 22 retailers

30 retailers$458 NZD to $4,134 NZD

A
Cheapest Retailer
-
$458 NZD
$258 USD
Retailer 2
-
$458 NZD
$258 USD
View
Price last confirmed 24 days ago
Retailer 3
-
$477 NZD
$269 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
$543 NZD
$306 USD
View
Final sale: no returns
Retailer 5
-
$554 NZD
$312 USD
View
Price last confirmed 34 days ago
Retailer 6
-
$568 NZD
$320 USD
View
Price last confirmed 29 days ago
Retailer 7
-
$584 NZD
$329 USD
View
Price last confirmed 33 days ago
A
Retailer 8
-
$834 NZD
$470 USD
View
A
Retailer 9
-
$863 NZD
HK$3,800 HKD
View
A
Retailer 10
-
$887 NZD
$500 USD
View
A
Retailer 11
-
$1,034 NZD
€555 EUR
View
A
Retailer 12
-
$1,034 NZD
$583 USD
View
A
Retailer 13
-
$1,078 NZD
ZAR 9,812 ZAR
View
A
Retailer 14
-
$1,108 NZD
£492 GBP
View
A
Retailer 15
-
$1,377 NZD
$776 USD
View
A
Retailer 16
-
$1,405 NZD
$792 USD
View
A
Retailer 17
-
$1,459 NZD
A$1,265 AUD
View
B+
Retailer 18
-
$1,746 NZD
$984 USD
View
B+
Retailer 19
-
$2,016 NZD
$1,136 USD
View
Retailer 20
-
$2,016 NZD
$1,136 USD
View
Price last confirmed 21 days ago
Retailer 21
-
$2,101 NZD
$1,184 USD
View
Price last confirmed 31 days ago
B+
Retailer 22
-
$2,234 NZD
$1,259 USD
View
B+
Retailer 23
-
$2,311 NZD
$1,302 USD
View
B+
Retailer 24
-
$2,444 NZD
$1,377 USD
View
B+
Retailer 25
-
$2,476 NZD
SGD 1,886 SGD
View
B+
Retailer 26
-
$2,512 NZD
£1,115 GBP
View
B+
Retailer 27
-
$2,525 NZD
A$2,189 AUD
View
Retailer 28
-
$3,797 NZD
$2,140 USD
View
Price last confirmed 11 days ago
B
Retailer 29
-
$4,063 NZD
$2,290 USD
View
Most Expensive
B
Brilliant Earth
17457319Y · Oct 31
$4,134 NZD
$2,330 USD
View
29 more retailers have this diamond
Prices start from $458 NZDSave up to $3,676 NZD

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
$458 NZD