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 €465 EUR
$519 USD
As of October 30, 2026
Save €3,662 EUR (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,126 EUR at Do Amore Diamonds · As of October 31, 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 October 30, 2026, with prices from €465 to €4,126, a €3,662 spread on the same certified stone. Do Amore Diamonds lists it at €4,126. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €4,126 EUR|Low: €465 EUR|High: €5,872 EUR|Avg: €2,007 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 1, 2026
Retailer 9€465 EUR
Retailer 7€520 EUR
Retailer 4€675 EUR
Retailer 11€892 EUR
Retailer 6€895 EUR
Retailer 8€1,486 EUR
Retailer 3€1,638 EUR
Retailer 10€1,671 EUR
Retailer 2€2,759 EUR
Retailer 5€3,025 EUR
Do Amore Diamonds€4,126 EUR

28 data points across 11 retailers

11 retailers€465 EUR to €4,126 EUR

A
Cheapest Retailer
-
€465 EUR
$519 USD
A
Retailer 2
-
€520 EUR
$581 USD
View
A
Retailer 3
-
€675 EUR
£594 GBP
View
B+
Retailer 4
-
€892 EUR
$997 USD
View
B+
Retailer 5
-
€895 EUR
$1,000 USD
View
B+
Retailer 6
-
€1,486 EUR
$1,660 USD
View
B+
Retailer 7
-
€1,638 EUR
$1,830 USD
View
B+
Retailer 8
-
€1,671 EUR
$1,867 USD
View
B
Retailer 9
-
€2,759 EUR
£2,427 GBP
View
B
Retailer 10
-
€3,025 EUR
$3,380 USD
View
Most Expensive
B
Do Amore Diamonds
27-AE0412987 · Oct 31
€4,126 EUR
$4,610 USD
View
10 more retailers have this diamond
Prices start from €465 EURSave up to €3,662 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
€465 EUR