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Radiant|Lab Grown|IGI

1.54ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1 • IGI LG474120572

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

Certificate IGI LG474120572

Diamond specifications and retailer prices

From €172 EUR
$192 USD
As of October 27, 2026
Save €1,475 EUR (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,647 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474120572 or 474120572. Listed at 11 retailers as of October 27, 2026, with prices from €172 to €1,647, a €1,475 spread on the same certified stone. Do Amore Diamonds lists it at €1,647. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474120572
Dimensions7.43 × 5.89 × 3.94 mm
L/W Ratio1.26
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
7.43 mm5.89 mm1.54 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474120572
Side View
Table 60.0%Crown 44.9°Girdle: MED-STKPavilion 30.9°Culet: NoneDepth 66.9%

Caratlytics Score

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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: €1,647 EUR|Low: €95 EUR|High: €1,665 EUR|Avg: €634 EUR|-1.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 5€95 EUR
Retailer 8€172 EUR
Retailer 11€192 EUR
Retailer 6€263 EUR
Retailer 9€371 EUR
Retailer 3€419 EUR
Retailer 13€492 EUR
Retailer 4€498 EUR
Retailer 7€687 EUR
Retailer 2€947 EUR
Retailer 10€1,146 EUR
Retailer 12€1,298 EUR
Do Amore Diamonds€1,647 EUR

38 data points across 13 retailers

11 retailers€172 EUR to €1,647 EUR

A
Cheapest Retailer
-
€172 EUR
$192 USD
A
Retailer 2
-
€192 EUR
$215 USD
View
Final sale: no returns
A
Retailer 3
-
€199 EUR
$222 USD
View
A
Retailer 4
-
€263 EUR
£231 GBP
View
B+
Retailer 5
-
€371 EUR
$415 USD
View
B
Retailer 6
-
€687 EUR
$767 USD
View
B
Retailer 7
-
€755 EUR
$844 USD
View
B
Retailer 8
-
€947 EUR
£833 GBP
View
B
Retailer 9
-
€1,146 EUR
$1,280 USD
View
B
Retailer 10
-
€1,298 EUR
$1,450 USD
View
Most Expensive
B
Do Amore Diamonds
27-C919A0841 · Oct 29
€1,647 EUR
$1,840 USD
View
10 more retailers have this diamond
Prices start from €172 EURSave up to €1,475 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
€172 EUR