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1.50ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG783628093

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783628093

Diamond specifications and retailer prices

From $374 NZD
$211 USD
As of October 26, 2026
Save $1,494 NZD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,868 NZD at MOH London · As of October 26, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG783628093 or 783628093. Listed at 13 retailers as of October 26, 2026, with prices from $374 to $1,868, a $1,494 spread on the same certified stone. MOH London lists it at $1,868. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783628093
Dimensions7.44 × 7.48 × 4.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.44 mm7.48 mm1.50 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783628093
Side View
Table 59.0%Crown 31.8°Girdle: MediumPavilion 41°Culet: NoneDepth 59.8%

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: Oct 26
Current: $1,868 NZD|Low: $374 NZD|High: $1,868 NZD|Avg: $949 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
Retailer 13
October 29, 2026
Retailer 7$374 NZD
Retailer 3$435 NZD
Retailer 4$465 NZD
Retailer 9$465 NZD
Retailer 5$586 NZD
Retailer 2$755 NZD
Retailer 11$994 NZD
Retailer 10$1,050 NZD
Retailer 6$1,207 NZD
Retailer 12$1,496 NZD
Retailer 8$1,501 NZD
Retailer 13$1,516 NZD
MOH London$1,868 NZD

9 data points across 13 retailers

13 retailers$374 NZD to $1,868 NZD

A
Cheapest Retailer
-
$374 NZD
$211 USD
A
Retailer 2
-
$435 NZD
$245 USD
View
A
Retailer 3
-
$465 NZD
$262 USD
View
Retailer 4
-
$465 NZD
$262 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$586 NZD
$330 USD
View
A
Retailer 6
-
$755 NZD
£335 GBP
View
A
Retailer 7
-
$994 NZD
$560 USD
View
A
Retailer 8
-
$1,050 NZD
$592 USD
View
A
Retailer 9
-
$1,207 NZD
$680 USD
View
A
Retailer 10
-
$1,496 NZD
$843 USD
View
A
Retailer 11
-
$1,501 NZD
$846 USD
View
A
Retailer 12
-
$1,516 NZD
SGD 1,155 SGD
View
Most Expensive
B+
MOH London
LG783628093 · Oct 26
$1,868 NZD
£829 GBP
View
12 more retailers have this diamond
Prices start from $374 NZDSave up to $1,494 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
$374 NZD