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Round|Lab Grown|IGI

5.15ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG559201327

Shape and cutting style on the report: Round brilliant

Certificate IGI LG559201327

Diamond specifications and retailer prices

From €575 EUR
$642 USD
As of October 26, 2026
Save €2,249 EUR (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,824 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 5.15ct lab-grown round diamond

This 5.15ct lab-grown round 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 LG559201327 or 559201327. Listed at 15 retailers as of October 26, 2026, with prices from €575 to €2,824, a €2,249 spread on the same certified stone. MOH London lists it at €2,824. 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

5.15
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559201327
Dimensions11.04 × 11.10 × 6.84 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.04 mm11.10 mm5.15 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559201327
Side View
Table 57.0%Crown 34.3°Girdle: MediumPavilion 41°Culet: NoneDepth 61.8%

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 26
Current: €2,824 EUR|Low: €551 EUR|High: €2,842 EUR|Avg: €1,253 EUR|+0.5%
MOH London
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
October 31, 2026
Retailer 10€575 EUR
Retailer 3€626 EUR
Retailer 12€644 EUR
Retailer 11€667 EUR
Retailer 6€779 EUR
Retailer 7€823 EUR
Retailer 9€956 EUR
Retailer 2€1,062 EUR
Retailer 14€1,083 EUR
Retailer 5€1,513 EUR
Retailer 8€1,702 EUR
Retailer 4€1,874 EUR
Retailer 13€2,249 EUR
MOH London€2,824 EUR

41 data points across 14 retailers

15 retailers€575 EUR to €2,824 EUR

A
Cheapest Retailer
-
€575 EUR
$642 USD
Retailer 2
-
€626 EUR
$699 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€644 EUR
$719 USD
View
Final sale: no returns
A
Retailer 4
-
€667 EUR
$745 USD
View
Retailer 5
-
€667 EUR
$745 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€779 EUR
HK$6,800 HKD
View
A
Retailer 7
-
€823 EUR
$920 USD
View
B+
Retailer 8
-
€956 EUR
$1,068 USD
View
A
Retailer 9
-
€1,062 EUR
£934 GBP
View
B+
Retailer 10
-
€1,083 EUR
$1,210 USD
View
B+
Retailer 11
-
€1,513 EUR
$1,690 USD
View
B+
Retailer 12
-
€1,702 EUR
$1,902 USD
View
B
Retailer 13
-
€1,874 EUR
$2,094 USD
View
B
Retailer 14
-
€2,249 EUR
SGD 3,395 SGD
View
Most Expensive
B
MOH London
LG559201327 · Oct 29
€2,824 EUR
£2,484 GBP
View
14 more retailers have this diamond
Prices start from €575 EURSave up to €2,249 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
5.15ct Round
€575 EUR