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Round|Lab Grown|IGI

1.50ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG480150414

Shape and cutting style on the report: Round brilliant

Certificate IGI LG480150414

Diamond specifications and retailer prices

From €739 EUR
As of November 5, 2026
Save €2,924 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,664 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG480150414 or 480150414. Listed at 11 retailers as of November 5, 2026, with prices from €739 to €3,664, a €2,924 spread on the same certified stone. MOH London lists it at €3,664. 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

1.50
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480150414
Dimensions7.27 × 7.29 × 4.55 mm
L/W Ratio1.00
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
7.27 mm7.29 mm1.50 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480150414
Side View
Table 55.5%Crown 35.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.5%

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: Nov 5
Current: €3,664 EUR|Low: €739 EUR|High: €3,723 EUR|Avg: €1,621 EUR|-0.3%
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
November 6, 2026
Retailer 6€739 EUR
Retailer 7€934 EUR
Retailer 11€1,016 EUR
Retailer 13€1,045 EUR
Retailer 8€1,083 EUR
Retailer 10€1,083 EUR
Retailer 2€1,249 EUR
Retailer 3€1,565 EUR
Retailer 9€1,728 EUR
Retailer 12€2,030 EUR
Retailer 4€2,264 EUR
Retailer 5€2,422 EUR
MOH London€3,664 EUR

39 data points across 13 retailers

11 retailers€739 EUR to €3,664 EUR

A
Cheapest Retailer
-
€739 EUR
A
Retailer 2
-
€934 EUR
View
B+
Retailer 3
-
€1,016 EUR
View
B+
Retailer 4
-
€1,045 EUR
View
Final sale: no returns
B+
Retailer 5
-
€1,083 EUR
View
Retailer 6
-
€1,083 EUR
View
Price last confirmed 25 days ago
B+
Retailer 7
-
€1,249 EUR
View
B
Retailer 8
-
€1,728 EUR
View
B
Retailer 9
-
€2,030 EUR
View
B
Retailer 10
-
€2,264 EUR
View
Most Expensive
B
MOH London
LG480150414 · Nov 5
€3,664 EUR
£3,238 GBP
View
10 more retailers have this diamond
Prices start from €739 EURSave up to €2,924 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
1.50ct Round
€739 EUR