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Round|Lab Grown|IGI

3.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG715540666

Shape and cutting style on the report: Round brilliant

Certificate IGI LG715540666

Diamond specifications and retailer prices

From €698 EUR
$777 USD
As of October 29, 2026
Save €9,580 EUR (93%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €10,278 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG715540666 or 715540666. Listed at 26 retailers as of October 29, 2026, with prices from €698 to €10,278, a €9,580 spread on the same certified stone. Brilliant Earth lists it at €10,278. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715540666
Dimensions9.45 × 9.37 × 5.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.45 mm9.37 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715540666
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.9%

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: €10,278 EUR|Low: €759 EUR|High: €10,278 EUR|Avg: €2,724 EUR
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
October 29, 2026
Retailer 11€759 EUR
Retailer 6€781 EUR
Retailer 15€970 EUR
Retailer 7€1,309 EUR
Retailer 14€1,360 EUR
Retailer 2€1,369 EUR
Retailer 4€1,798 EUR
Retailer 18€1,925 EUR
Retailer 16€2,017 EUR
Retailer 12€2,075 EUR
Retailer 8€2,703 EUR
Retailer 9€2,734 EUR
Retailer 10€3,187 EUR
Retailer 5€3,190 EUR
Retailer 13€3,368 EUR
Retailer 19€4,214 EUR
Retailer 17€4,901 EUR
Retailer 3€6,199 EUR
Brilliant Earth€10,278 EUR

40 data points across 19 retailers

26 retailers€698 EUR to €10,278 EUR

A
Cheapest Retailer
-
€698 EUR
$777 USD
A
Retailer 2
-
€759 EUR
$845 USD
View
A
Retailer 3
-
€781 EUR
$869 USD
View
Final sale: no returns
A
Retailer 4
-
€810 EUR
$901 USD
View
Retailer 5
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€810 EUR
$901 USD
View
Price last confirmed 12 days ago
A
Retailer 6
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€970 EUR
$1,080 USD
View
A
Retailer 7
-
€1,104 EUR
HK$9,600 HKD
View
A
Retailer 8
-
€1,309 EUR
$1,457 USD
View
A
Retailer 9
-
€1,360 EUR
View
A
Retailer 10
-
€1,369 EUR
£1,200 GBP
View
A
Retailer 11
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€1,514 EUR
$1,685 USD
View
A
Retailer 12
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€1,798 EUR
A$3,078 AUD
View
A
Retailer 13
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€1,925 EUR
$2,143 USD
View
Retailer 14
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€2,017 EUR
A$3,454 AUD
View
Price last confirmed 8 days ago
A
Retailer 15
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€2,075 EUR
ZAR 37,318 ZAR
View
A
Retailer 16
-
€2,513 EUR
$2,797 USD
View
A
Retailer 17
-
€2,703 EUR
$3,008 USD
View
B+
Retailer 18
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€2,703 EUR
$3,009 USD
View
A
Retailer 19
-
€2,734 EUR
$3,043 USD
View
B+
Retailer 20
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€3,187 EUR
SGD 4,794 SGD
View
B+
Retailer 21
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€3,190 EUR
$3,550 USD
View
B+
Retailer 22
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€3,368 EUR
£2,952 GBP
View
Retailer 23
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€4,214 EUR
A$7,216 AUD
View
Price last confirmed 21 days ago
Retailer 24
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€4,901 EUR
$5,455 USD
View
Price last confirmed 8 days ago
B
Retailer 25
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€6,199 EUR
$6,900 USD
View
Most Expensive
B
Brilliant Earth
19794198Y · Oct 29
€10,278 EUR
$11,440 USD
View
25 more retailers have this diamond
Prices start from €698 EURSave up to €9,580 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 Round
€698 EUR