Radiant|Lab Grown|IGI

5.38ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG551208000

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

Certificate IGI LG551208000

Diamond specifications and retailer prices

From €574 EUR
$641 USD
As of October 30, 2026
Save €2,653 EUR (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €3,227 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.38ct lab-grown radiant diamond

This 5.38ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG551208000 or 551208000. Listed at 16 retailers as of October 28, 2026, with prices from €574 to €3,227, a €2,653 spread on the same certified stone. Rare Carat lists it at €3,227. 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

5.38
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG551208000
Dimensions12.55 × 8.51 × 5.69 mm
L/W Ratio1.47
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
12.55 mm8.51 mm5.38 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG551208000
Side View
Table 65.0%Crown 44.5°Girdle: ThickPavilion 34.5°Culet: NoneDepth 66.9%

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: €3,227 EUR|Low: €574 EUR|High: €8,002 EUR|Avg: €2,319 EUR
Rare Carat
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 19
October 31, 2026
Retailer 8€574 EUR
Retailer 6€624 EUR
Retailer 15€665 EUR
Retailer 14€746 EUR
Retailer 19€791 EUR
Retailer 16€823 EUR
Retailer 18€1,033 EUR
Retailer 12€1,063 EUR
Retailer 2€1,078 EUR
Retailer 5€1,088 EUR
Retailer 13€1,700 EUR
Retailer 3€1,871 EUR
Retailer 4€2,041 EUR
Retailer 7€2,296 EUR
Retailer 17€2,818 EUR
Rare Carat€3,227 EUR
Retailer 10€3,988 EUR
Retailer 9€5,685 EUR
Retailer 11€8,002 EUR

5 data points across 19 retailers

16 retailers€574 EUR to €3,227 EUR

A
Cheapest Retailer
-
€574 EUR
$641 USD
A
Retailer 2
-
€624 EUR
$697 USD
View
A
Retailer 3
-
€665 EUR
$743 USD
View
A
Retailer 4
-
€746 EUR
£657 GBP
View
A
Retailer 5
-
€791 EUR
HK$6,900 HKD
View
A
Retailer 6
-
€823 EUR
$920 USD
View
A
Retailer 7
-
€1,033 EUR
$1,154 USD
View
A
Retailer 8
-
€1,063 EUR
£935 GBP
View
A
Retailer 9
-
€1,078 EUR
View
B+
Retailer 10
-
€1,088 EUR
$1,215 USD
View
B+
Retailer 11
-
€1,700 EUR
$1,899 USD
View
B+
Retailer 12
-
€1,871 EUR
$2,090 USD
View
B
Retailer 13
-
€2,041 EUR
$2,280 USD
View
B
Retailer 14
-
€2,296 EUR
$2,565 USD
View
B
Retailer 15
-
€2,818 EUR
£2,479 GBP
View
Most Expensive
B
Rare Carat
KI0002080KF551 · Oct 28
€3,227 EUR
$3,605 USD
View
15 more retailers have this diamond
Prices start from €574 EURSave up to €2,653 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
5.38ct Radiant
€574 EUR