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Round|Lab Grown|IGI

1.41ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG500151240

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500151240

Diamond specifications and retailer prices

From €559 EUR
$624 USD
As of November 1, 2026
Save €2,171 EUR (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,729 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.41ct lab-grown round diamond

This 1.41ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500151240 or 500151240. Listed at 12 retailers as of November 1, 2026, with prices from €559 to €2,729, a €2,171 spread on the same certified stone. MOH London lists it at €2,729. 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

1.41
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500151240
Dimensions7.18 × 7.16 × 4.47 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
7.18 mm7.16 mm1.41 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500151240
Side View
Table 54.0%Crown 35.5°GirdlePavilion 40.2°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €2,729 EUR|Low: €447 EUR|High: €2,758 EUR|Avg: €1,077 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5€559 EUR
Retailer 10€626 EUR
Retailer 7€693 EUR
Retailer 9€693 EUR
Retailer 11€776 EUR
Retailer 2€806 EUR
Retailer 6€895 EUR
Retailer 8€1,060 EUR
Retailer 3€1,095 EUR
Retailer 4€1,655 EUR
MOH London€2,729 EUR

21 data points across 11 retailers

12 retailers€559 EUR to €2,729 EUR

A
Cheapest Retailer
-
€559 EUR
$624 USD
A
Retailer 2
-
€626 EUR
$699 USD
View
Final sale: no returns
A
Retailer 3
-
€626 EUR
$699 USD
View
Retailer 4
-
€693 EUR
$774 USD
View
Price last confirmed 16 days ago
B+
Retailer 5
-
€693 EUR
$774 USD
View
B+
Retailer 6
-
€776 EUR
$867 USD
View
B+
Retailer 7
-
€806 EUR
$900 USD
View
B
Retailer 8
-
€895 EUR
$1,000 USD
View
B
Retailer 9
-
€1,060 EUR
$1,184 USD
View
B
Retailer 10
-
€1,655 EUR
$1,849 USD
View
B
Retailer 11
-
€1,822 EUR
$2,035 USD
View
Most Expensive
B
MOH London
LG500151240 · Nov 1
€2,729 EUR
£2,401 GBP
View
11 more retailers have this diamond
Prices start from €559 EURSave up to €2,171 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
1.41ct Round
€559 EUR