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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 €231 EUR
$258 USD
As of October 30, 2026
Save €1,855 EUR (89%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: €2,086 EUR 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 €231 to €2,086, a €1,855 spread on the same certified stone. Brilliant Earth lists it at €2,086. 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
Color
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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Price History

Last verified: Oct 30
Current: €2,086 EUR|Low: €231 EUR|High: €2,506 EUR|Avg: €940 EUR|-16.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
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Retailer 11
Retailer 12
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Retailer 15
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Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
November 1, 2026
Retailer 4€231 EUR
Retailer 20€274 EUR
Retailer 3€421 EUR
Retailer 12€435 EUR
Retailer 5€448 EUR
Retailer 13€522 EUR
Retailer 10€522 EUR
Retailer 18€544 EUR
Retailer 2€559 EUR
Retailer 6€695 EUR
Retailer 11€709 EUR
Retailer 17€736 EUR
Retailer 22€881 EUR
Retailer 8€1,127 EUR
Retailer 14€1,166 EUR
Retailer 7€1,233 EUR
Retailer 15€1,249 EUR
Retailer 19€1,270 EUR
Retailer 16€1,274 EUR
Retailer 21€1,915 EUR
Retailer 9€2,050 EUR
Brilliant Earth€2,086 EUR

38 data points across 22 retailers

30 retailers€231 EUR to €2,086 EUR

A
Cheapest Retailer
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€231 EUR
$258 USD
Retailer 2
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€231 EUR
$258 USD
View
Price last confirmed 23 days ago
Retailer 3
-
€241 EUR
$269 USD
View
Price last confirmed 32 days ago
A
Retailer 4
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€274 EUR
$306 USD
View
Final sale: no returns
Retailer 5
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€279 EUR
$312 USD
View
Price last confirmed 34 days ago
Retailer 6
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€286 EUR
$320 USD
View
Price last confirmed 28 days ago
Retailer 7
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€294 EUR
$329 USD
View
Price last confirmed 33 days ago
A
Retailer 8
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€421 EUR
$470 USD
View
A
Retailer 9
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€435 EUR
HK$3,800 HKD
View
A
Retailer 10
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€448 EUR
$500 USD
View
A
Retailer 11
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€522 EUR
View
A
Retailer 12
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€522 EUR
$583 USD
View
A
Retailer 13
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€544 EUR
ZAR 9,812 ZAR
View
A
Retailer 14
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€559 EUR
£492 GBP
View
A
Retailer 15
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€695 EUR
$776 USD
View
A
Retailer 16
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€709 EUR
$792 USD
View
A
Retailer 17
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€736 EUR
A$1,265 AUD
View
B+
Retailer 18
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€881 EUR
$984 USD
View
B+
Retailer 19
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€1,017 EUR
$1,136 USD
View
Retailer 20
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€1,017 EUR
$1,136 USD
View
Price last confirmed 21 days ago
Retailer 21
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€1,060 EUR
$1,184 USD
View
Price last confirmed 31 days ago
B+
Retailer 22
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€1,127 EUR
$1,259 USD
View
B+
Retailer 23
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€1,166 EUR
$1,302 USD
View
B+
Retailer 24
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€1,233 EUR
$1,377 USD
View
B+
Retailer 25
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€1,249 EUR
SGD 1,886 SGD
View
B+
Retailer 26
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€1,270 EUR
£1,117 GBP
View
B+
Retailer 27
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€1,274 EUR
A$2,189 AUD
View
Retailer 28
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€1,915 EUR
$2,140 USD
View
Price last confirmed 10 days ago
B
Retailer 29
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€2,050 EUR
$2,290 USD
View
Most Expensive
B
Brilliant Earth
17457319Y · Oct 31
€2,086 EUR
$2,330 USD
View
29 more retailers have this diamond
Prices start from €231 EURSave up to €1,855 EUR

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
€231 EUR