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Radiant|Lab Grown|IGI

1.50ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG735583311

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

Certificate IGI LG735583311

Diamond specifications and retailer prices

From €228 EUR
$255 USD
As of October 30, 2026
Save €1,857 EUR (89%) vs most expensive(unlock to see where)
16 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 LG735583311 or 735583311. Listed at 16 retailers as of October 30, 2026, with prices from €228 to €2,086, a €1,857 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735583311
Dimensions7.71 × 5.66 × 3.94 mm
L/W Ratio1.36
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
7.71 mm5.66 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735583311
Side View
Table 68.0%Crown 44.4°Girdle: MediumPavilion 40.4°Culet: NoneDepth 69.6%

Caratlytics Score

How it works →
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: €2,086 EUR|Low: €228 EUR|High: €2,981 EUR|Avg: €994 EUR|-30.0%
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
November 1, 2026
Retailer 5€228 EUR
Retailer 6€256 EUR
Retailer 4€265 EUR
Retailer 13€365 EUR
Retailer 12€397 EUR
Retailer 10€398 EUR
Retailer 9€514 EUR
Retailer 11€727 EUR
Retailer 16€799 EUR
Retailer 14€947 EUR
Retailer 7€1,005 EUR
Retailer 8€1,095 EUR
Retailer 2€1,253 EUR
Retailer 15€1,920 EUR
Retailer 3€2,032 EUR
Brilliant Earth€2,086 EUR

36 data points across 16 retailers

16 retailers€228 EUR to €2,086 EUR

A
Cheapest Retailer
-
€228 EUR
$255 USD
A
Retailer 2
-
€256 EUR
$286 USD
View
Final sale: no returns
A
Retailer 3
-
€265 EUR
$296 USD
View
A
Retailer 4
-
€365 EUR
$408 USD
View
B+
Retailer 5
-
€397 EUR
$443 USD
View
A
Retailer 6
-
€398 EUR
$445 USD
View
A
Retailer 7
-
€514 EUR
View
A
Retailer 8
-
€727 EUR
A$1,249 AUD
View
A
Retailer 9
-
€799 EUR
$893 USD
View
A
Retailer 10
-
€947 EUR
$1,058 USD
View
B+
Retailer 11
-
€1,005 EUR
$1,123 USD
View
B+
Retailer 12
-
€1,095 EUR
$1,223 USD
View
B+
Retailer 13
-
€1,253 EUR
£1,102 GBP
View
Retailer 14
-
€1,920 EUR
$2,145 USD
View
Price last confirmed 11 days ago
B
Retailer 15
-
€2,032 EUR
$2,270 USD
View
Most Expensive
B
Brilliant Earth
21405665Y · Oct 31
€2,086 EUR
$2,330 USD
View
15 more retailers have this diamond
Prices start from €228 EURSave up to €1,857 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
€228 EUR