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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 $624 USD
As of November 5, 2026
Save $2,416 USD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,040 USD at MOH London · As of November 5, 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 5, 2026, with prices from $624 to $3,040, a $2,416 spread on the same certified stone. MOH London lists it at $3,040. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $3,040 USD|Low: $499 USD|High: $3,081 USD|Avg: $1,212 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 5$624 USD
Retailer 10$699 USD
Retailer 7$774 USD
Retailer 9$774 USD
Retailer 11$867 USD
Retailer 2$900 USD
Retailer 6$1,000 USD
Retailer 8$1,184 USD
Retailer 3$1,223 USD
Retailer 4$1,849 USD
MOH London$3,040 USD

20 data points across 11 retailers

12 retailers$624 USD to $3,040 USD

A
Cheapest Retailer
-
$624 USD
A
Retailer 2
-
$699 USD
View
Final sale: no returns
A
Retailer 3
-
$699 USD
View
Retailer 4
-
$774 USD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$774 USD
View
B+
Retailer 6
-
$867 USD
View
B+
Retailer 7
-
$900 USD
View
B
Retailer 8
-
$1,000 USD
View
B
Retailer 9
-
$1,184 USD
View
B
Retailer 10
-
$1,849 USD
View
B
Retailer 11
-
$2,035 USD
View
Most Expensive
B
MOH London
LG500151240 · Nov 5
$3,040 USD
£2,394 GBP
View
11 more retailers have this diamond
Prices start from $624 USDSave up to $2,416 USD

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
$624 USD