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Radiant|Lab Grown|IGI

1.54ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG671426516

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

Certificate IGI LG671426516

Diamond specifications and retailer prices

From €254 EUR
$284 USD
As of October 30, 2026
Save €2,914 EUR (92%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €3,169 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.54ct lab-grown radiant diamond

This 1.54ct 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 LG671426516 or 671426516. Listed at 18 retailers as of October 30, 2026, with prices from €254 to €3,169, a €2,914 spread on the same certified stone. Brilliant Earth lists it at €3,169. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671426516
Dimensions8.07 × 5.69 × 3.88 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.07 mm5.69 mm1.54 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671426516
Side View
Table 67.0%Crown 46.9°Girdle: MediumPavilion 36.2°Culet: NoneDepth 68.2%

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: €3,169 EUR|Low: €252 EUR|High: €3,240 EUR|Avg: €884 EUR|-2.2%
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
October 31, 2026
Retailer 6€254 EUR
Retailer 5€295 EUR
Retailer 10€295 EUR
Retailer 9€405 EUR
Retailer 16€408 EUR
Retailer 3€421 EUR
Retailer 12€421 EUR
Retailer 11€543 EUR
Retailer 2€745 EUR
Retailer 7€746 EUR
Retailer 18€812 EUR
Retailer 13€969 EUR
Retailer 8€1,044 EUR
Retailer 17€1,120 EUR
Retailer 14€1,312 EUR
Retailer 15€1,404 EUR
Retailer 4€2,265 EUR
Brilliant Earth€3,169 EUR

35 data points across 18 retailers

18 retailers€254 EUR to €3,169 EUR

A
Cheapest Retailer
-
€254 EUR
$284 USD
A
Retailer 2
-
€295 EUR
$330 USD
View
Final sale: no returns
A
Retailer 3
-
€295 EUR
$330 USD
View
A
Retailer 4
-
€405 EUR
$453 USD
View
A
Retailer 5
-
€408 EUR
$456 USD
View
A
Retailer 6
-
€421 EUR
$470 USD
View
A
Retailer 7
-
€421 EUR
$470 USD
View
A
Retailer 8
-
€543 EUR
View
A
Retailer 9
-
€745 EUR
$832 USD
View
A
Retailer 10
-
€746 EUR
$833 USD
View
A
Retailer 11
-
€812 EUR
A$1,396 AUD
View
B+
Retailer 12
-
€969 EUR
$1,083 USD
View
B+
Retailer 13
-
€1,044 EUR
$1,166 USD
View
B+
Retailer 14
-
€1,120 EUR
$1,251 USD
View
B+
Retailer 15
-
€1,312 EUR
A$2,255 AUD
View
B+
Retailer 16
-
€1,404 EUR
£1,235 GBP
View
B
Retailer 17
-
€2,265 EUR
$2,530 USD
View
Most Expensive
B
Brilliant Earth
16298721A · Oct 31
€3,169 EUR
$3,540 USD
View
17 more retailers have this diamond
Prices start from €254 EURSave up to €2,914 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
1.54ct Radiant
€254 EUR