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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 $1,110 NZD
As of November 5, 2026
Save $4,298 NZD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,409 NZD 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 $1,110 to $5,409, a $4,298 spread on the same certified stone. MOH London lists it at $5,409. 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
Colour
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 5
Current: $5,409 NZD|Low: $888 NZD|High: $5,481 NZD|Avg: $2,155 NZD|-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$1,110 NZD
Retailer 10$1,243 NZD
Retailer 7$1,377 NZD
Retailer 9$1,377 NZD
Retailer 11$1,542 NZD
Retailer 2$1,601 NZD
Retailer 6$1,779 NZD
Retailer 8$2,106 NZD
Retailer 3$2,176 NZD
Retailer 4$3,289 NZD
MOH London$5,409 NZD

20 data points across 11 retailers

12 retailers$1,110 NZD to $5,409 NZD

A
Cheapest Retailer
-
$1,110 NZD
A
Retailer 2
-
$1,243 NZD
View
Final sale: no returns
A
Retailer 3
-
$1,243 NZD
View
Retailer 4
-
$1,377 NZD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$1,377 NZD
View
B+
Retailer 6
-
$1,542 NZD
View
B+
Retailer 7
-
$1,601 NZD
View
B
Retailer 8
-
$1,779 NZD
View
B
Retailer 9
-
$2,106 NZD
View
B
Retailer 10
-
$3,289 NZD
View
B
Retailer 11
-
$3,620 NZD
View
Most Expensive
B
MOH London
LG500151240 · Nov 5
$5,409 NZD
£2,394 GBP
View
11 more retailers have this diamond
Prices start from $1,110 NZDSave up to $4,298 NZD

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
$1,110 NZD