Radiant|Lab Grown|IGI

5.55ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG615380127

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

Certificate IGI LG615380127

Diamond specifications and retailer prices

From €463 EUR
$519 USD
As of November 2, 2026
Save €3,647 EUR (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,110 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 5.55ct lab-grown radiant diamond

This 5.55ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG615380127 or 615380127. Listed at 11 retailers as of November 2, 2026, with prices from €463 to €4,110, a €3,647 spread on the same certified stone. Do Amore Diamonds lists it at €4,110. 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

5.55
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615380127
Dimensions12.47 × 8.69 × 5.94 mm
L/W Ratio1.43
Culet sizeNone
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
12.47 mm8.69 mm5.55 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615380127
Side View
Table 64.0%Crown 41.7°Girdle: MED-STKPavilion 36°Culet: NoneDepth 68.4%

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: Nov 2
Current: €4,110 EUR|Low: €463 EUR|High: €5,849 EUR|Avg: €1,986 EUR|-11.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 9€463 EUR
Retailer 7€518 EUR
Retailer 2€673 EUR
Retailer 11€889 EUR
Retailer 6€892 EUR
Retailer 8€1,480 EUR
Retailer 3€1,632 EUR
Retailer 10€1,665 EUR
Retailer 4€2,748 EUR
Retailer 5€3,014 EUR
Do Amore Diamonds€4,110 EUR

29 data points across 11 retailers

11 retailers€463 EUR to €4,110 EUR

A
Cheapest Retailer
-
€463 EUR
$519 USD
A
Retailer 2
-
€518 EUR
$581 USD
View
A
Retailer 3
-
€673 EUR
£594 GBP
View
B+
Retailer 4
-
€889 EUR
$997 USD
View
B+
Retailer 5
-
€892 EUR
$1,000 USD
View
B+
Retailer 6
-
€1,480 EUR
$1,660 USD
View
B+
Retailer 7
-
€1,632 EUR
$1,830 USD
View
B+
Retailer 8
-
€1,665 EUR
$1,867 USD
View
B
Retailer 9
-
€2,748 EUR
£2,427 GBP
View
B
Retailer 10
-
€3,014 EUR
$3,380 USD
View
Most Expensive
B
Do Amore Diamonds
27-AE0412987 · Nov 2
€4,110 EUR
$4,610 USD
View
10 more retailers have this diamond
Prices start from €463 EURSave up to €3,647 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
5.55ct Radiant
€463 EUR