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Round|Lab Grown|IGI

3.09ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG508140128

Shape and cutting style on the report: Round brilliant

Certificate IGI LG508140128

Diamond specifications and retailer prices

From €528 EUR
$590 USD
As of October 29, 2026
Save €2,329 EUR (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €2,857 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508140128 or 508140128. Listed at 16 retailers as of October 29, 2026, with prices from €528 to €2,857, a €2,329 spread on the same certified stone. MOH London lists it at €2,857. 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
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508140128
Dimensions9.39 × 9.33 × 5.76 mm
L/W Ratio1.01
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
9.39 mm9.33 mm3.09 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508140128
Side View
Table 59.5%Crown 34°Girdle: MediumPavilion 41.3°Culet: NoneDepth 61.6%

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: Oct 29
Current: €2,857 EUR|Low: €421 EUR|High: €2,875 EUR|Avg: €1,371 EUR|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 9€528 EUR
Retailer 12€590 EUR
Retailer 4€710 EUR
Retailer 6€770 EUR
Retailer 11€900 EUR
Retailer 8€1,006 EUR
Retailer 13€1,073 EUR
Retailer 5€1,353 EUR
Retailer 2€1,421 EUR
Retailer 7€1,624 EUR
Retailer 3€2,118 EUR
Retailer 10€2,426 EUR
MOH London€2,857 EUR

26 data points across 13 retailers

16 retailers€528 EUR to €2,857 EUR

A
Cheapest Retailer
-
€528 EUR
$590 USD
A
Retailer 2
-
€590 EUR
$659 USD
View
Final sale: no returns
A
Retailer 3
-
€591 EUR
$660 USD
View
A
Retailer 4
-
€654 EUR
$731 USD
View
Retailer 5
-
€654 EUR
$731 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
€710 EUR
HK$6,200 HKD
View
A
Retailer 7
-
€770 EUR
$860 USD
View
A
Retailer 8
-
€900 EUR
$1,005 USD
View
B+
Retailer 9
-
€1,006 EUR
$1,124 USD
View
B+
Retailer 10
-
€1,073 EUR
$1,199 USD
View
B+
Retailer 11
-
€1,421 EUR
ZAR 25,651 ZAR
View
B
Retailer 12
-
€1,624 EUR
$1,814 USD
View
B
Retailer 13
-
€1,721 EUR
$1,923 USD
View
B
Retailer 14
-
€2,118 EUR
$2,366 USD
View
B
Retailer 15
-
€2,426 EUR
$2,710 USD
View
Most Expensive
B
MOH London
LG508140128 · Oct 29
€2,857 EUR
£2,513 GBP
View
15 more retailers have this diamond
Prices start from €528 EURSave up to €2,329 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
€528 EUR