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Oval|Lab Grown|IGI

3.09ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG746503745

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG746503745

Diamond specifications and retailer prices

From €419 EUR
As of November 6, 2026
Save €2,877 EUR (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €3,296 EUR at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.09ct lab-grown oval diamond

This 3.09ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG746503745 or 746503745. Listed at 20 retailers as of November 5, 2026, with prices from €419 to €3,296, a €2,877 spread on the same certified stone. Brilliant Earth lists it at €3,296. 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

3.09
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG746503745
Dimensions11.71 × 8.18 × 5.13 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.71 mm8.18 mm3.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG746503745
Side View
Table 61.0%Crown 37.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.7%

Caratlytics Score

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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 6
Current: €3,296 EUR|Low: €408 EUR|High: €3,296 EUR|Avg: €1,251 EUR|+8.2%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 9€419 EUR
Retailer 19€469 EUR
Retailer 17€519 EUR
Retailer 10€595 EUR
Retailer 3€645 EUR
Retailer 12€704 EUR
Retailer 2€771 EUR
Retailer 6€811 EUR
Retailer 13€853 EUR
Retailer 5€854 EUR
Retailer 11€1,116 EUR
Retailer 15€1,240 EUR
Retailer 4€1,429 EUR
Retailer 18€1,670 EUR
Retailer 8€1,697 EUR
Retailer 14€1,809 EUR
Retailer 7€1,834 EUR
Retailer 16€1,909 EUR
Brilliant Earth€3,296 EUR

34 data points across 19 retailers

20 retailers€419 EUR to €3,296 EUR

A
Cheapest Retailer
-
€419 EUR
A
Retailer 2
-
€469 EUR
View
Retailer 3
-
€505 EUR
View
Price last confirmed 21 days ago
A
Retailer 4
-
€519 EUR
View
A
Retailer 5
-
€595 EUR
View
Final sale: no returns
A
Retailer 6
-
€645 EUR
View
A
Retailer 7
-
€704 EUR
View
A
Retailer 8
-
€771 EUR
View
B+
Retailer 9
-
€811 EUR
View
A
Retailer 10
-
€853 EUR
View
A
Retailer 11
-
€854 EUR
View
B+
Retailer 12
-
€1,116 EUR
View
B+
Retailer 13
-
€1,240 EUR
View
B+
Retailer 14
-
€1,429 EUR
View
B
Retailer 15
-
€1,670 EUR
View
B
Retailer 16
-
€1,697 EUR
View
B
Retailer 17
-
€1,809 EUR
View
B
Retailer 18
-
€1,834 EUR
View
B
Retailer 19
-
€1,909 EUR
View
Most Expensive
B
Brilliant Earth
16605189A · Nov 5
€3,296 EUR
$3,680 USD
View
19 more retailers have this diamond
Prices start from €419 EURSave up to €2,877 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
3.09ct Oval
€419 EUR