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Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG681584379

Shape and cutting style on the report: Round brilliant

Certificate IGI LG681584379

Diamond specifications and retailer prices

From €157 EUR
As of November 5, 2026
Save €750 EUR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €906 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG681584379 or 681584379. Listed at 14 retailers as of November 5, 2026, with prices from €157 to €906, a €750 spread on the same certified stone. MOH London lists it at €906. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681584379
Dimensions7.32 × 7.36 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.32 mm7.36 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681584379
Side View
Table 58.0%Crown 35.3°Girdle: MediumPavilion 41°Culet: NoneDepth 61.5%

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: €906 EUR|Low: €157 EUR|High: €1,123 EUR|Avg: €494 EUR|-0.2%
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 13€157 EUR
Retailer 12€182 EUR
Retailer 6€194 EUR
Retailer 3€217 EUR
Retailer 9€333 EUR
Retailer 14€333 EUR
Retailer 2€344 EUR
Retailer 4€346 EUR
Retailer 16€366 EUR
Retailer 15€426 EUR
Retailer 5€625 EUR
Retailer 10€637 EUR
Retailer 11€660 EUR
MOH London€906 EUR
Retailer 7€948 EUR
Retailer 8€1,123 EUR

10 data points across 16 retailers

14 retailers€157 EUR to €906 EUR

A
Cheapest Retailer
-
€157 EUR
A
Retailer 2
-
€182 EUR
View
A
Retailer 3
-
€194 EUR
View
A
Retailer 4
-
€217 EUR
View
A
Retailer 5
-
€333 EUR
View
Retailer 6
-
€333 EUR
View
Price last confirmed 8 days ago
A
Retailer 7
-
€344 EUR
View
B+
Retailer 8
-
€346 EUR
View
A
Retailer 9
-
€366 EUR
View
A
Retailer 10
-
€426 EUR
View
B+
Retailer 11
-
€625 EUR
View
B+
Retailer 12
-
€637 EUR
View
B
Retailer 13
-
€660 EUR
View
Most Expensive
B
MOH London
LG681584379 · Nov 5
€906 EUR
£801 GBP
View
13 more retailers have this diamond
Prices start from €157 EURSave up to €750 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
€157 EUR