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Round|Lab Grown|IGI

1.50ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG445037462

Shape and cutting style on the report: Round brilliant

Certificate IGI LG445037462

Diamond specifications and retailer prices

From $1,476 NZD
As of November 5, 2026
Save $5,859 NZD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,336 NZD at MOH London · As of November 3, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037462 or 445037462. Listed at 10 retailers as of November 3, 2026, with prices from $1,476 to $7,336, a $5,859 spread on the same certified stone. MOH London lists it at $7,336. 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

1.50
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037462
Dimensions7.29 × 7.36 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.29 mm7.36 mm1.50 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445037462
Side View
Table 56.0%Crown 35.9°Girdle: THN-MEDPavilion 40.3°Culet: NoneDepth 61.8%

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: $7,336 NZD|Low: $1,476 NZD|High: $7,433 NZD|Avg: $3,444 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 2$1,476 NZD
Retailer 3$1,864 NZD
Retailer 7$2,087 NZD
Retailer 4$2,163 NZD
Retailer 6$2,163 NZD
Retailer 8$3,124 NZD
Retailer 5$3,449 NZD
Retailer 9$4,520 NZD
Retailer 10$4,835 NZD
MOH London$7,336 NZD

15 data points across 10 retailers

10 retailers$1,476 NZD to $7,336 NZD

A
Cheapest Retailer
-
$1,476 NZD
B+
Retailer 2
-
$1,864 NZD
View
B+
Retailer 3
-
$2,028 NZD
View
B+
Retailer 4
-
$2,087 NZD
View
Final sale: no returns
Retailer 5
-
$2,163 NZD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$2,163 NZD
View
B
Retailer 7
-
$3,449 NZD
View
B
Retailer 8
-
$4,054 NZD
View
B
Retailer 9
-
$4,520 NZD
View
Most Expensive
B
MOH London
LG445037462 · Nov 3
$7,336 NZD
£3,247 GBP
View
9 more retailers have this diamond
Prices start from $1,476 NZDSave up to $5,859 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
1.50ct Round
$1,476 NZD