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Round|Lab Grown|IGI

1.50ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG497172409

Shape and cutting style on the report: Round brilliant

Certificate IGI LG497172409

Diamond specifications and retailer prices

From €739 EUR
As of November 5, 2026
Save €3,326 EUR (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,066 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497172409 or 497172409. Listed at 11 retailers as of November 5, 2026, with prices from €739 to €4,066, a €3,326 spread on the same certified stone. MOH London lists it at €4,066. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497172409
Dimensions7.33 × 7.28 × 4.56 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
7.33 mm7.28 mm1.50 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG497172409
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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: Nov 5
Current: €4,066 EUR|Low: €739 EUR|High: €4,131 EUR|Avg: €1,820 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
Retailer 14
November 6, 2026
Retailer 7€739 EUR
Retailer 8€1,094 EUR
Retailer 11€1,190 EUR
Retailer 13€1,224 EUR
Retailer 9€1,269 EUR
Retailer 14€1,269 EUR
Retailer 5€1,374 EUR
Retailer 2€1,576 EUR
Retailer 3€1,789 EUR
Retailer 10€2,011 EUR
Retailer 12€2,378 EUR
Retailer 4€2,431 EUR
Retailer 6€2,840 EUR
MOH London€4,066 EUR

44 data points across 14 retailers

11 retailers€739 EUR to €4,066 EUR

A
Cheapest Retailer
-
€739 EUR
B+
Retailer 2
-
€1,094 EUR
View
B+
Retailer 3
-
€1,190 EUR
View
B+
Retailer 4
-
€1,224 EUR
View
Final sale: no returns
B+
Retailer 5
-
€1,269 EUR
View
Retailer 6
-
€1,269 EUR
View
Price last confirmed 25 days ago
B+
Retailer 7
-
€1,576 EUR
View
B
Retailer 8
-
€2,011 EUR
View
B
Retailer 9
-
€2,378 EUR
View
B
Retailer 10
-
€2,431 EUR
View
Most Expensive
B
MOH London
LG497172409 · Nov 5
€4,066 EUR
£3,593 GBP
View
10 more retailers have this diamond
Prices start from €739 EURSave up to €3,326 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