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Round|Lab Grown|IGI

3.00ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG485136521

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485136521

Diamond specifications and retailer prices

From €1,497 EUR
As of November 5, 2026
Save €9,651 EUR (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €11,148 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 3ct lab-grown round diamond

This 3ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485136521 or 485136521. Listed at 11 retailers as of November 5, 2026, with prices from €1,497 to €11,148, a €9,651 spread on the same certified stone. MOH London lists it at €11,148. 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

3.00
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485136521
Dimensions9.31 × 9.24 × 5.53 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
9.31 mm9.24 mm3.00 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485136521
Side View
Table 61.5%Crown 34.1°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 59.6%

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: Nov 5
Current: €11,148 EUR|Low: €1,497 EUR|High: €11,328 EUR|Avg: €6,321 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 2€1,497 EUR
Retailer 4€4,735 EUR
Retailer 7€5,304 EUR
Retailer 5€5,494 EUR
Retailer 8€5,506 EUR
Retailer 9€5,878 EUR
Retailer 3€6,765 EUR
Retailer 6€8,485 EUR
MOH London€11,148 EUR

17 data points across 9 retailers

11 retailers€1,497 EUR to €11,148 EUR

A
Cheapest Retailer
-
€1,497 EUR
B+
Retailer 2
-
€4,735 EUR
View
B+
Retailer 3
-
€4,963 EUR
View
B+
Retailer 4
-
€5,304 EUR
View
Final sale: no returns
Retailer 5
-
€5,494 EUR
View
Price last confirmed 25 days ago
B+
Retailer 6
-
€5,494 EUR
View
B+
Retailer 7
-
€5,506 EUR
View
B
Retailer 8
-
€6,521 EUR
View
B
Retailer 9
-
€6,765 EUR
View
B
Retailer 10
-
€8,485 EUR
View
Most Expensive
B
MOH London
LG485136521 · Nov 5
€11,148 EUR
£9,852 GBP
View
10 more retailers have this diamond
Prices start from €1,497 EURSave up to €9,651 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
3.00ct Round
€1,497 EUR