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Round|Lab Grown|IGI

1.53ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG500150526

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500150526

Diamond specifications and retailer prices

From $1,511 NZD
$850 USD
As of November 2, 2026
Save $6,331 NZD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,841 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500150526 or 500150526. Listed at 11 retailers as of November 1, 2026, with prices from $1,511 to $7,841, a $6,331 spread on the same certified stone. MOH London lists it at $7,841. 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

1.53
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500150526
Dimensions7.48 × 7.51 × 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
7.48 mm7.51 mm1.53 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500150526
Side View
Table 57.5%Crown 33.3°GirdlePavilion 40.4°Culet: NoneDepth 59.7%

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 2
Current: $7,841 NZD|Low: $1,511 NZD|High: $7,945 NZD|Avg: $3,355 NZD
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 1, 2026
Retailer 2$1,511 NZD
Retailer 5$2,104 NZD
Retailer 9$2,289 NZD
Retailer 8$2,357 NZD
Retailer 6$2,440 NZD
Retailer 11$2,440 NZD
Retailer 12$2,746 NZD
Retailer 4$3,462 NZD
Retailer 7$3,873 NZD
Retailer 10$4,575 NZD
Retailer 3$4,809 NZD
MOH London$7,841 NZD

17 data points across 12 retailers

11 retailers$1,511 NZD to $7,841 NZD

A
Cheapest Retailer
-
$1,511 NZD
$850 USD
B+
Retailer 2
-
$2,104 NZD
$1,184 USD
View
B+
Retailer 3
-
$2,289 NZD
$1,288 USD
View
B+
Retailer 4
-
$2,357 NZD
$1,326 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,440 NZD
$1,373 USD
View
Retailer 6
-
$2,440 NZD
$1,373 USD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
$2,746 NZD
$1,545 USD
View
B
Retailer 8
-
$3,873 NZD
$2,179 USD
View
B
Retailer 9
-
$4,575 NZD
$2,574 USD
View
B
Retailer 10
-
$4,809 NZD
$2,706 USD
View
Most Expensive
B
MOH London
LG500150526 · Nov 1
$7,841 NZD
£3,474 GBP
View
10 more retailers have this diamond
Prices start from $1,511 NZDSave up to $6,331 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
1.53ct Round
$1,511 NZD