CaratHunter
Plans
Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG805618443

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805618443

Diamond specifications and retailer prices

From $342 NZD
$193 USD
As of October 26, 2026
Save $1,650 NZD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,992 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805618443 or 805618443. Listed at 18 retailers as of October 26, 2026, with prices from $342 to $1,992, a $1,650 spread on the same certified stone. MOH London lists it at $1,992. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805618443
Dimensions7.34 × 7.26 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.34 mm7.26 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805618443
Side View
Table 58.0%Crown 33.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

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: Oct 26
Current: $1,992 NZD|Low: $342 NZD|High: $2,129 NZD|Avg: $932 NZD|+9.1%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 6$342 NZD
Retailer 18$383 NZD
Retailer 17$397 NZD
Retailer 3$426 NZD
Retailer 16$477 NZD
Retailer 2$691 NZD
Retailer 13$736 NZD
Retailer 7$743 NZD
Retailer 15$761 NZD
Retailer 14$769 NZD
Retailer 9$882 NZD
Retailer 5$966 NZD
Retailer 4$1,093 NZD
Retailer 11$1,295 NZD
Retailer 8$1,368 NZD
Retailer 12$1,372 NZD
Retailer 10$1,544 NZD
MOH London$1,992 NZD

37 data points across 18 retailers

18 retailers$342 NZD to $1,992 NZD

A
Cheapest Retailer
-
$342 NZD
$193 USD
A
Retailer 2
-
$383 NZD
$216 USD
View
Final sale: no returns
A
Retailer 3
-
$397 NZD
$224 USD
View
A
Retailer 4
-
$426 NZD
$240 USD
View
A
Retailer 5
-
$477 NZD
HK$2,100 HKD
View
A
Retailer 6
-
$691 NZD
€371 EUR
View
A
Retailer 7
-
$736 NZD
£327 GBP
View
B+
Retailer 8
-
$743 NZD
$419 USD
View
A
Retailer 9
-
$761 NZD
$429 USD
View
A
Retailer 10
-
$769 NZD
£341 GBP
View
A
Retailer 11
-
$882 NZD
$497 USD
View
B+
Retailer 12
-
$966 NZD
A$838 AUD
View
B+
Retailer 13
-
$1,093 NZD
$616 USD
View
B+
Retailer 14
-
$1,295 NZD
$730 USD
View
B+
Retailer 15
-
$1,368 NZD
$771 USD
View
B+
Retailer 16
-
$1,372 NZD
SGD 1,045 SGD
View
B
Retailer 17
-
$1,544 NZD
$870 USD
View
Most Expensive
B
MOH London
LG805618443 · Oct 26
$1,992 NZD
£884 GBP
View
17 more retailers have this diamond
Prices start from $342 NZDSave up to $1,650 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
$342 NZD