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Emerald|Lab Grown|IGI

1.50ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG733544925

Shape and cutting style on the report: Emerald cut

Certificate IGI LG733544925

Diamond specifications and retailer prices

From $311 NZD
$175 USD
As of October 30, 2026
Save $2,191 NZD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,502 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.5ct lab-grown emerald diamond

This 1.5ct lab-grown emerald 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 LG733544925 or 733544925. Listed at 12 retailers as of October 30, 2026, with prices from $311 to $2,502, a $2,191 spread on the same certified stone. Brilliant Earth lists it at $2,502. 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 angle31°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733544925
Dimensions7.75 × 5.38 × 3.71 mm
L/W Ratio1.44
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.75 mm5.38 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733544925
Side View
Table 62.0%Crown 31°Girdle: MED-STKPavilion 43.4°Culet: LargeDepth 69.0%

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 30
Current: $2,502 NZD|Low: $307 NZD|High: $2,537 NZD|Avg: $1,048 NZD|+1.4%
Brilliant Earth
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 11$311 NZD
Retailer 7$360 NZD
Retailer 5$385 NZD
Retailer 4$390 NZD
Retailer 10$685 NZD
Retailer 2$691 NZD
Retailer 12$715 NZD
Retailer 9$846 NZD
Retailer 6$1,240 NZD
Retailer 8$1,309 NZD
Retailer 3$1,836 NZD
Brilliant Earth$2,502 NZD

44 data points across 12 retailers

12 retailers$311 NZD to $2,502 NZD

A
Cheapest Retailer
-
$311 NZD
$175 USD
A
Retailer 2
-
$360 NZD
$203 USD
View
A
Retailer 3
-
$385 NZD
$217 USD
View
A
Retailer 4
-
$390 NZD
$220 USD
View
B+
Retailer 5
-
$685 NZD
$386 USD
View
A
Retailer 6
-
$691 NZD
£307 GBP
View
A
Retailer 7
-
$715 NZD
€384 EUR
View
A
Retailer 8
-
$846 NZD
$477 USD
View
B+
Retailer 9
-
$1,240 NZD
$699 USD
View
B
Retailer 10
-
$1,309 NZD
$738 USD
View
B
Retailer 11
-
$1,836 NZD
£815 GBP
View
Most Expensive
B
Brilliant Earth
16957221A · Oct 31
$2,502 NZD
$1,410 USD
View
11 more retailers have this diamond
Prices start from $311 NZDSave up to $2,191 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 Emerald
$311 NZD