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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 €600 EUR
$670 USD
As of October 30, 2026
Save €3,268 EUR (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,867 EUR at MOH London · As of October 27, 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 October 27, 2026, with prices from €600 to €3,867, a €3,268 spread on the same certified stone. MOH London lists it at €3,867. 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
Color
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

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: Oct 30
Current: €3,867 EUR|Low: €600 EUR|High: €3,908 EUR|Avg: €1,815 EUR|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5€600 EUR
Retailer 6€982 EUR
Retailer 10€1,099 EUR
Retailer 7€1,139 EUR
Retailer 9€1,139 EUR
Retailer 11€1,293 EUR
Retailer 12€1,621 EUR
Retailer 8€1,812 EUR
Retailer 2€1,948 EUR
Retailer 3€2,310 EUR
Retailer 4€3,260 EUR
MOH London€3,867 EUR

22 data points across 12 retailers

12 retailers€600 EUR to €3,867 EUR

A
Cheapest Retailer
-
€600 EUR
$670 USD
B+
Retailer 2
-
€982 EUR
$1,097 USD
View
B+
Retailer 3
-
€1,068 EUR
$1,193 USD
View
B+
Retailer 4
-
€1,099 EUR
$1,228 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,139 EUR
$1,272 USD
View
Retailer 6
-
€1,139 EUR
$1,272 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
€1,293 EUR
$1,445 USD
View
B
Retailer 8
-
€1,812 EUR
$2,024 USD
View
B
Retailer 9
-
€1,948 EUR
View
B
Retailer 10
-
€2,135 EUR
$2,385 USD
View
B
Retailer 11
-
€2,310 EUR
$2,581 USD
View
Most Expensive
B
MOH London
LG440013467 · Oct 27
€3,867 EUR
£3,402 GBP
View
11 more retailers have this diamond
Prices start from €600 EURSave up to €3,268 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
€600 EUR