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1.50ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG681584379

Shape and cutting style on the report: Round brilliant

Certificate IGI LG681584379

Diamond specifications and retailer prices

From $313 NZD
As of November 5, 2026
Save $1,497 NZD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,810 NZD at MOH London · As of November 5, 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 LG681584379 or 681584379. Listed at 14 retailers as of November 5, 2026, with prices from $313 to $1,810, a $1,497 spread on the same certified stone. MOH London lists it at $1,810. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681584379
Dimensions7.32 × 7.36 × 4.52 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
7.32 mm7.36 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681584379
Side View
Table 58.0%Crown 35.3°Girdle: MediumPavilion 41°Culet: NoneDepth 61.5%

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: $1,810 NZD|Low: $313 NZD|High: $2,241 NZD|Avg: $987 NZD|-0.2%
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
November 6, 2026
Retailer 13$313 NZD
Retailer 12$363 NZD
Retailer 6$388 NZD
Retailer 3$432 NZD
Retailer 9$665 NZD
Retailer 14$665 NZD
Retailer 2$687 NZD
Retailer 4$690 NZD
Retailer 16$731 NZD
Retailer 15$850 NZD
Retailer 5$1,249 NZD
Retailer 10$1,272 NZD
Retailer 11$1,318 NZD
MOH London$1,810 NZD
Retailer 7$1,893 NZD
Retailer 8$2,241 NZD

10 data points across 16 retailers

14 retailers$313 NZD to $1,810 NZD

A
Cheapest Retailer
-
$313 NZD
A
Retailer 2
-
$363 NZD
View
A
Retailer 3
-
$388 NZD
View
A
Retailer 4
-
$432 NZD
View
A
Retailer 5
-
$665 NZD
View
Retailer 6
-
$665 NZD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$687 NZD
View
B+
Retailer 8
-
$690 NZD
View
A
Retailer 9
-
$731 NZD
View
A
Retailer 10
-
$850 NZD
View
B+
Retailer 11
-
$1,249 NZD
View
B+
Retailer 12
-
$1,272 NZD
View
B
Retailer 13
-
$1,318 NZD
View
Most Expensive
B
MOH London
LG681584379 · Nov 5
$1,810 NZD
£801 GBP
View
13 more retailers have this diamond
Prices start from $313 NZDSave up to $1,497 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
$313 NZD