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Radiant|Lab Grown|IGI

1.55ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG641483559

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

Certificate IGI LG641483559

Diamond specifications and retailer prices

From €163 EUR
$182 USD
As of October 30, 2026
Save €853 EUR (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,016 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.55ct lab-grown radiant diamond

This 1.55ct 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 LG641483559 or 641483559. Listed at 19 retailers as of October 30, 2026, with prices from €163 to €1,016, a €853 spread on the same certified stone. Reve Diamonds lists it at €1,016. 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

1.55
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG641483559
Dimensions8.24 × 5.68 × 3.73 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.24 mm5.68 mm1.55 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG641483559
Side View
Table 63.0%Crown 43°Girdle: MED-STKPavilion 35.1°Culet: NoneDepth 65.7%

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: €904 EUR|Low: €152 EUR|High: €1,029 EUR|Avg: €436 EUR|-12.2%
Retailer 1
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
Reve Diamonds
October 30, 2026
Retailer 8€163 EUR
Retailer 6€197 EUR
Retailer 13€201 EUR
Retailer 7€208 EUR
Retailer 10€259 EUR
Retailer 2€331 EUR
Retailer 9€355 EUR
Retailer 11€363 EUR
Retailer 4€504 EUR
Retailer 5€632 EUR
Retailer 12€696 EUR
Retailer 3€774 EUR
Retailer 1€904 EUR
Retailer 14€924 EUR
Reve Diamonds€1,016 EUR

36 data points across 15 retailers

19 retailers€163 EUR to €1,016 EUR

A
Cheapest Retailer
-
€163 EUR
$182 USD
A
Retailer 2
-
€183 EUR
$205 USD
View
A
Retailer 3
-
€197 EUR
$220 USD
View
A
Retailer 4
-
€201 EUR
$225 USD
View
A
Retailer 5
-
€208 EUR
$232 USD
View
Final sale: no returns
A
Retailer 6
-
€259 EUR
£228 GBP
View
Retailer 7
-
€331 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
€355 EUR
$397 USD
View
A
Retailer 9
-
€363 EUR
£320 GBP
View
A
Retailer 10
-
€417 EUR
$466 USD
View
B+
Retailer 11
-
€498 EUR
$556 USD
View
B+
Retailer 12
-
€504 EUR
$563 USD
View
B
Retailer 13
-
€632 EUR
$706 USD
View
B+
Retailer 14
-
€696 EUR
$778 USD
View
B+
Retailer 15
-
€706 EUR
£621 GBP
View
Retailer 16
-
€774 EUR
$865 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
€904 EUR
$1,010 USD
View
B
Retailer 18
-
€924 EUR
£813 GBP
View
Most Expensive
B
Reve Diamonds
27F484ECB · Oct 30
€1,016 EUR
$1,135 USD
View
18 more retailers have this diamond
Prices start from €163 EURSave up to €853 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
1.55ct Radiant
€163 EUR