Round|Lab Grown|IGI

3.09ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG840643665

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840643665

Diamond specifications and retailer prices

From €425 EUR
$475 USD
As of October 31, 2026
Save €2,878 EUR (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €3,303 EUR at Brilliant Earth · As of October 31, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840643665 or 840643665. Listed at 21 retailers as of October 31, 2026, with prices from €425 to €3,303, a €2,878 spread on the same certified stone. Brilliant Earth lists it at €3,303. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840643665
Dimensions9.35 × 9.33 × 5.74 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.35 mm9.33 mm3.09 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840643665
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.5%

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 31
Current: €3,303 EUR|Low: €425 EUR|High: €5,048 EUR|Avg: €1,536 EUR|-34.6%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 6
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Retailer 11
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Retailer 21
November 1, 2026
Retailer 12€425 EUR
Retailer 13€472 EUR
Retailer 21€472 EUR
Retailer 20€600 EUR
Retailer 7€626 EUR
Retailer 16€668 EUR
Retailer 18€795 EUR
Retailer 2€853 EUR
Retailer 4€889 EUR
Retailer 17€1,099 EUR
Retailer 19€1,129 EUR
Retailer 6€1,150 EUR
Retailer 11€1,449 EUR
Retailer 15€1,673 EUR
Retailer 9€1,701 EUR
Retailer 5€1,804 EUR
Retailer 3€1,914 EUR
Retailer 10€2,091 EUR
Retailer 14€2,421 EUR
Retailer 8€2,900 EUR
Brilliant Earth€3,303 EUR

19 data points across 21 retailers

21 retailers€425 EUR to €3,303 EUR

A
Cheapest Retailer
-
€425 EUR
$475 USD
Final sale: no returns
A
Retailer 2
-
€472 EUR
$527 USD
View
A
Retailer 3
-
€472 EUR
$527 USD
View
A
Retailer 4
-
€600 EUR
$670 USD
View
B+
Retailer 5
-
€626 EUR
$699 USD
View
A
Retailer 6
-
€668 EUR
£588 GBP
View
A
Retailer 7
-
€715 EUR
$799 USD
View
A
Retailer 8
-
€853 EUR
£751 GBP
View
A
Retailer 9
-
€889 EUR
$993 USD
View
A
Retailer 10
-
€1,099 EUR
A$1,889 AUD
View
B+
Retailer 11
-
€1,129 EUR
ZAR 20,384 ZAR
View
B+
Retailer 12
-
€1,150 EUR
$1,285 USD
View
B+
Retailer 13
-
€1,449 EUR
CA$2,248 CAD
View
B
Retailer 14
-
€1,673 EUR
$1,869 USD
View
B+
Retailer 15
-
€1,701 EUR
$1,901 USD
View
B+
Retailer 16
-
€1,804 EUR
$2,015 USD
View
B
Retailer 17
-
€1,914 EUR
£1,684 GBP
View
B
Retailer 18
-
€2,091 EUR
$2,336 USD
View
Retailer 19
-
€2,421 EUR
$2,705 USD
View
Price last confirmed 13 days ago
B
Retailer 20
-
€2,900 EUR
$3,240 USD
View
Most Expensive
B
Brilliant Earth
21834412Y · Oct 31
€3,303 EUR
$3,690 USD
View
20 more retailers have this diamond
Prices start from €425 EURSave up to €2,878 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
€425 EUR