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Radiant|Lab Grown|IGI

5.53ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG582386664

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

Certificate IGI LG582386664

Diamond specifications and retailer prices

From €580 EUR
$650 USD
As of November 2, 2026
Save €2,751 EUR (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €3,330 EUR at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 5.53ct lab-grown radiant diamond

This 5.53ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG582386664 or 582386664. Listed at 15 retailers as of November 1, 2026, with prices from €580 to €3,330, a €2,751 spread on the same certified stone. Rare Carat lists it at €3,330. 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

5.53
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582386664
Dimensions12.42 × 8.77 × 5.77 mm
L/W Ratio1.42
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
12.42 mm8.77 mm5.53 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582386664
Side View
Table 65.0%Crown 44.8°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 65.8%

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: €3,330 EUR|Low: €580 EUR|High: €7,962 EUR|Avg: €2,107 EUR|-12.1%
Rare Carat
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
Retailer 15
Retailer 16
Retailer 17
November 3, 2026
Retailer 7€580 EUR
Retailer 6€630 EUR
Retailer 14€672 EUR
Retailer 10€751 EUR
Retailer 17€799 EUR
Retailer 15€829 EUR
Retailer 16€1,043 EUR
Retailer 2€1,063 EUR
Retailer 12€1,089 EUR
Retailer 5€1,098 EUR
Retailer 13€1,716 EUR
Retailer 3€1,889 EUR
Retailer 4€2,017 EUR
Retailer 11€2,831 EUR
Rare Carat€3,330 EUR
Retailer 9€5,300 EUR
Retailer 8€7,962 EUR

8 data points across 17 retailers

15 retailers€580 EUR to €3,330 EUR

A
Cheapest Retailer
-
€580 EUR
$650 USD
A
Retailer 2
-
€630 EUR
$707 USD
View
A
Retailer 3
-
€672 EUR
$754 USD
View
A
Retailer 4
-
€751 EUR
£664 GBP
View
A
Retailer 5
-
€799 EUR
HK$7,000 HKD
View
A
Retailer 6
-
€829 EUR
$930 USD
View
A
Retailer 7
-
€1,043 EUR
$1,170 USD
View
A
Retailer 8
-
€1,063 EUR
£939 GBP
View
B+
Retailer 9
-
€1,089 EUR
View
B+
Retailer 10
-
€1,098 EUR
$1,231 USD
View
B+
Retailer 11
-
€1,716 EUR
$1,925 USD
View
B
Retailer 12
-
€1,889 EUR
$2,119 USD
View
B
Retailer 13
-
€2,017 EUR
$2,262 USD
View
B
Retailer 14
-
€2,831 EUR
£2,500 GBP
View
Most Expensive
B
Rare Carat
KI6643866KF582 · Nov 1
€3,330 EUR
$3,735 USD
View
14 more retailers have this diamond
Prices start from €580 EURSave up to €2,751 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
5.53ct Radiant
€580 EUR