Oval|Lab Grown|IGI

4.28ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG602311263

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG602311263

Diamond specifications and retailer prices

From €499 EUR
$558 USD
As of October 29, 2026
Save €3,931 EUR (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €4,431 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.28ct lab-grown oval diamond

This 4.28ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG602311263 or 602311263. Listed at 9 retailers as of October 29, 2026, with prices from €499 to €4,431, a €3,931 spread on the same certified stone. Do Amore Diamonds lists it at €4,431. 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

4.28
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602311263
Dimensions13.44 × 8.96 × 5.61 mm
L/W Ratio1.50
Girdle conditionFaceted
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
13.44 mm8.96 mm4.28 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602311263
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.6%

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 29
Current: €4,431 EUR|Low: €494 EUR|High: €6,830 EUR|Avg: €2,230 EUR|-3.1%
Do Amore Diamonds
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€499 EUR
Retailer 2€553 EUR
Retailer 13€954 EUR
Retailer 8€958 EUR
Retailer 5€1,061 EUR
Retailer 4€1,101 EUR
Retailer 9€1,598 EUR
Retailer 14€1,678 EUR
Retailer 3€1,762 EUR
Retailer 12€1,798 EUR
Retailer 7€2,984 EUR
Retailer 11€3,101 EUR
Do Amore Diamonds€4,431 EUR
Retailer 6€6,830 EUR

25 data points across 14 retailers

9 retailers€499 EUR to €4,431 EUR

A
Cheapest Retailer
-
€499 EUR
$558 USD
A
Retailer 2
-
€553 EUR
$618 USD
View
B+
Retailer 3
-
€954 EUR
$1,066 USD
View
A
Retailer 4
-
€958 EUR
$1,070 USD
View
B+
Retailer 5
-
€1,598 EUR
$1,785 USD
View
B+
Retailer 6
-
€1,798 EUR
$2,009 USD
View
B
Retailer 7
-
€2,984 EUR
£2,625 GBP
View
Retailer 8
-
€3,101 EUR
$3,465 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Do Amore Diamonds
27-E3AA6C982 · Oct 31
€4,431 EUR
$4,950 USD
View
8 more retailers have this diamond
Prices start from €499 EURSave up to €3,931 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
4.28ct Oval
€499 EUR