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Round|Lab Grown|IGI

3.05ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG490191103

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490191103

Diamond specifications and retailer prices

From €1,477 EUR
$1,650 USD
As of October 31, 2026
Save €9,076 EUR (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €10,553 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 3.05ct lab-grown round diamond

This 3.05ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG490191103 or 490191103. Listed at 10 retailers as of October 29, 2026, with prices from €1,477 to €10,553, a €9,076 spread on the same certified stone. MOH London lists it at €10,553. 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

3.05
Carat
J
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490191103
Dimensions9.43 × 9.35 × 5.59 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
9.43 mm9.35 mm3.05 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490191103
Side View
Table 58.5%Crown 33.3°Girdle: MediumPavilion 40.2°Culet: NoneDepth 59.5%

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 31
Current: €10,553 EUR|Low: €1,477 EUR|High: €11,832 EUR|Avg: €6,403 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2€1,477 EUR
Retailer 5€4,447 EUR
Retailer 8€4,660 EUR
Retailer 10€4,980 EUR
Retailer 6€5,158 EUR
Retailer 11€5,701 EUR
Retailer 9€6,123 EUR
Retailer 4€6,468 EUR
Retailer 7€7,972 EUR
MOH London€10,553 EUR
Retailer 3€11,832 EUR

19 data points across 11 retailers

10 retailers€1,477 EUR to €10,553 EUR

A
Cheapest Retailer
-
€1,477 EUR
$1,650 USD
B+
Retailer 2
-
€4,447 EUR
$4,968 USD
View
B+
Retailer 3
-
€4,660 EUR
$5,206 USD
View
B+
Retailer 4
-
€4,980 EUR
$5,564 USD
View
Final sale: no returns
Retailer 5
-
€5,158 EUR
$5,763 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
€5,158 EUR
$5,763 USD
View
B
Retailer 7
-
€6,123 EUR
$6,841 USD
View
B
Retailer 8
-
€6,468 EUR
$7,226 USD
View
B
Retailer 9
-
€7,972 EUR
$8,906 USD
View
Most Expensive
B
MOH London
LG490191103 · Oct 29
€10,553 EUR
£9,283 GBP
View
9 more retailers have this diamond
Prices start from €1,477 EURSave up to €9,076 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
3.05ct Round
€1,477 EUR