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Radiant|Lab Grown|IGI

1.50ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG770617468

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

Certificate IGI LG770617468

Diamond specifications and retailer prices

From €230 EUR
$257 USD
As of October 30, 2026
Save €1,856 EUR (89%) vs most expensive(unlock to see where)
18 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 LG770617468 or 770617468. Listed at 18 retailers as of October 30, 2026, with prices from €230 to €2,086, a €1,856 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 angle47.9°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770617468
Dimensions7.94 × 5.60 × 3.85 mm
L/W Ratio1.42
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
7.94 mm5.60 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770617468
Side View
Table 64.0%Crown 47.9°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 68.7%

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: €2,506 EUR|Avg: €900 EUR|-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
November 1, 2026
Retailer 17€230 EUR
Retailer 6€258 EUR
Retailer 16€267 EUR
Retailer 2€324 EUR
Retailer 5€365 EUR
Retailer 3€397 EUR
Retailer 12€398 EUR
Retailer 11€514 EUR
Retailer 4€520 EUR
Retailer 15€732 EUR
Retailer 9€799 EUR
Retailer 7€947 EUR
Retailer 14€1,013 EUR
Retailer 10€1,095 EUR
Retailer 13€1,270 EUR
Retailer 8€1,920 EUR
Retailer 18€2,041 EUR
Brilliant Earth€2,086 EUR

33 data points across 18 retailers

18 retailers€230 EUR to €2,086 EUR

A
Cheapest Retailer
-
€230 EUR
$257 USD
A
Retailer 2
-
€258 EUR
$288 USD
View
Final sale: no returns
A
Retailer 3
-
€267 EUR
$298 USD
View
A
Retailer 4
-
€324 EUR
£285 GBP
View
A
Retailer 5
-
€365 EUR
$408 USD
View
B+
Retailer 6
-
€397 EUR
$443 USD
View
A
Retailer 7
-
€398 EUR
$445 USD
View
A
Retailer 8
-
€514 EUR
View
A
Retailer 9
-
€520 EUR
$581 USD
View
A
Retailer 10
-
€732 EUR
A$1,259 AUD
View
A
Retailer 11
-
€799 EUR
$893 USD
View
A
Retailer 12
-
€947 EUR
$1,058 USD
View
B+
Retailer 13
-
€1,013 EUR
$1,132 USD
View
B+
Retailer 14
-
€1,095 EUR
$1,223 USD
View
B+
Retailer 15
-
€1,270 EUR
£1,117 GBP
View
Retailer 16
-
€1,920 EUR
$2,145 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
€2,041 EUR
$2,280 USD
View
Most Expensive
B
Brilliant Earth
21400238Y · Oct 31
€2,086 EUR
$2,330 USD
View
17 more retailers have this diamond
Prices start from €230 EURSave up to €1,856 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
€230 EUR