Round|Lab Grown|IGI

5.15ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG683547837

Shape and cutting style on the report: Round brilliant

Certificate IGI LG683547837

Diamond specifications and retailer prices

From €567 EUR
$634 USD
As of October 29, 2026
Save €2,547 EUR (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €3,115 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG683547837 or 683547837. Listed at 16 retailers as of October 29, 2026, with prices from €567 to €3,115, a €2,547 spread on the same certified stone. Brilliant Earth lists it at €3,115. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683547837
Dimensions11.03 × 11.01 × 6.82 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.03 mm11.01 mm5.15 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683547837
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.9%

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 29
Current: €3,115 EUR|Low: €565 EUR|High: €5,469 EUR|Avg: €1,584 EUR|-43.0%
Brilliant Earth
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 14€567 EUR
Retailer 9€618 EUR
Retailer 4€659 EUR
Retailer 12€944 EUR
Retailer 8€1,048 EUR
Retailer 11€1,075 EUR
Retailer 2€1,095 EUR
Retailer 5€1,523 EUR
Retailer 10€1,531 EUR
Retailer 13€1,659 EUR
Retailer 7€1,852 EUR
Retailer 6€2,685 EUR
Retailer 3€2,790 EUR
Brilliant Earth€3,115 EUR

44 data points across 14 retailers

16 retailers€567 EUR to €3,115 EUR

A
Cheapest Retailer
-
€567 EUR
$634 USD
A
Retailer 2
-
€618 EUR
$690 USD
View
A
Retailer 3
-
€659 EUR
$736 USD
View
Retailer 4
-
€675 EUR
$754 USD
View
Price last confirmed 15 days ago
B+
Retailer 5
-
€944 EUR
$1,055 USD
View
A
Retailer 6
-
€1,048 EUR
£922 GBP
View
B+
Retailer 7
-
€1,075 EUR
$1,201 USD
View
B+
Retailer 8
-
€1,095 EUR
View
B+
Retailer 9
-
€1,523 EUR
A$2,618 AUD
View
B+
Retailer 10
-
€1,531 EUR
$1,710 USD
View
B+
Retailer 11
-
€1,659 EUR
$1,854 USD
View
Retailer 12
-
€1,682 EUR
$1,879 USD
View
Price last confirmed 32 days ago
B
Retailer 13
-
€1,852 EUR
$2,069 USD
View
Retailer 14
-
€2,685 EUR
$3,000 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
€2,790 EUR
£2,454 GBP
View
Most Expensive
B
Brilliant Earth
14050581A · Oct 30
€3,115 EUR
$3,480 USD
View
15 more retailers have this diamond
Prices start from €567 EURSave up to €2,547 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
€567 EUR