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Round|Lab Grown|IGI

1.18ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG440013467

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440013467

Diamond specifications and retailer prices

From €597 EUR
As of November 5, 2026
Save €3,237 EUR (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,834 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.18ct lab-grown round diamond

This 1.18ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440013467 or 440013467. Listed at 12 retailers as of November 5, 2026, with prices from €597 to €3,834, a €3,237 spread on the same certified stone. MOH London lists it at €3,834. 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

1.18
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440013467
Dimensions6.89 × 6.93 × 4.08 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
6.89 mm6.93 mm1.18 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440013467
Side View
Table 57.0%Crown 31.8°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 59.1%

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: €3,834 EUR|Low: €597 EUR|High: €3,890 EUR|Avg: €1,801 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
November 6, 2026
Retailer 5€597 EUR
Retailer 6€977 EUR
Retailer 10€1,094 EUR
Retailer 7€1,133 EUR
Retailer 9€1,133 EUR
Retailer 11€1,287 EUR
Retailer 12€1,614 EUR
Retailer 8€1,803 EUR
Retailer 2€1,928 EUR
Retailer 3€2,300 EUR
Retailer 4€3,245 EUR
MOH London€3,834 EUR

23 data points across 12 retailers

12 retailers€597 EUR to €3,834 EUR

A
Cheapest Retailer
-
€597 EUR
B+
Retailer 2
-
€977 EUR
View
B+
Retailer 3
-
€1,063 EUR
View
B+
Retailer 4
-
€1,094 EUR
View
Final sale: no returns
B+
Retailer 5
-
€1,133 EUR
View
Retailer 6
-
€1,133 EUR
View
Price last confirmed 25 days ago
B+
Retailer 7
-
€1,287 EUR
View
B
Retailer 8
-
€1,803 EUR
View
B
Retailer 9
-
€1,928 EUR
View
B
Retailer 10
-
€2,125 EUR
View
B
Retailer 11
-
€2,300 EUR
View
Most Expensive
B
MOH London
LG440013467 · Nov 5
€3,834 EUR
£3,388 GBP
View
11 more retailers have this diamond
Prices start from €597 EURSave up to €3,237 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
1.18ct Round
€597 EUR