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Radiant|Lab Grown|IGI

1.54ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG492125287

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

Certificate IGI LG492125287

Diamond specifications and retailer prices

From €160 EUR
$179 USD
As of October 27, 2026
Save €2,004 EUR (93%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,164 EUR at B2C Jewels · As of October 30, 2026
View at B2C Jewels

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492125287 or 492125287. Listed at 13 retailers as of October 27, 2026, with prices from €160 to €2,164, a €2,004 spread on the same certified stone. B2C Jewels lists it at €2,164. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.54
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle28.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492125287
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
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
10.37 mm7.13 mm1.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492125287
Side View
Table 61.5%Crown 38°Girdle: Slightly ThickPavilion 28.5°Culet: NoneDepth 65.4%

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 27
Current: €2,164 EUR|Low: €154 EUR|High: €2,164 EUR|Avg: €766 EUR
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6€160 EUR
Retailer 11€180 EUR
Retailer 10€186 EUR
Retailer 2€283 EUR
Retailer 8€352 EUR
Retailer 5€675 EUR
Retailer 9€705 EUR
Retailer 7€967 EUR
Retailer 4€1,028 EUR
Retailer 3€1,540 EUR
B2C Jewels€2,164 EUR

36 data points across 11 retailers

13 retailers€160 EUR to €2,164 EUR

A
Cheapest Retailer
-
€160 EUR
$179 USD
A
Retailer 2
-
€180 EUR
$201 USD
View
Final sale: no returns
A
Retailer 3
-
€186 EUR
$208 USD
View
A
Retailer 4
-
€283 EUR
£249 GBP
View
B+
Retailer 5
-
€352 EUR
$393 USD
View
B
Retailer 6
-
€675 EUR
$754 USD
View
B+
Retailer 7
-
€705 EUR
$787 USD
View
B+
Retailer 8
-
€705 EUR
$788 USD
View
B
Retailer 9
-
€967 EUR
$1,080 USD
View
B
Retailer 10
-
€1,028 EUR
£904 GBP
View
B
Retailer 11
-
€1,529 EUR
£1,345 GBP
View
B
Retailer 12
-
€1,540 EUR
$1,720 USD
View
Most Expensive
B
B2C Jewels
20034071 · Oct 30
€2,164 EUR
$2,418 USD
View
12 more retailers have this diamond
Prices start from €160 EURSave up to €2,004 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
€160 EUR