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Emerald|Lab Grown|IGI

1.50ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG700575878

Shape and cutting style on the report: Emerald cut

Certificate IGI LG700575878

Diamond specifications and retailer prices

From $553 NZD
As of November 6, 2026
Save $2,916 NZD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,469 NZD at Brilliant Earth · As of November 4, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG700575878 or 700575878. Listed at 16 retailers as of November 4, 2026, with prices from $553 to $3,469, a $2,916 spread on the same certified stone. Brilliant Earth lists it at $3,469. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.8°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700575878
Dimensions7.71 × 5.45 × 3.70 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.71 mm5.45 mm1.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700575878
Side View
Table 62.0%Crown 28.8°Girdle: MED-STKPavilion 43.4°Culet: LargeDepth 67.9%

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: Nov 6
Current: $3,469 NZD|Low: $532 NZD|High: $3,576 NZD|Avg: $1,544 NZD|-3.0%
Brilliant Earth
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
November 6, 2026
Retailer 11$553 NZD
Retailer 3$617 NZD
Retailer 12$687 NZD
Retailer 13$687 NZD
Retailer 6$751 NZD
Retailer 8$961 NZD
Retailer 10$1,117 NZD
Retailer 14$1,146 NZD
Retailer 2$1,206 NZD
Retailer 9$2,108 NZD
Retailer 4$2,288 NZD
Retailer 7$2,741 NZD
Retailer 5$2,754 NZD
Brilliant Earth$3,469 NZD

45 data points across 14 retailers

16 retailers$553 NZD to $3,469 NZD

A
Cheapest Retailer
-
$553 NZD
A
Retailer 2
-
$617 NZD
View
Final sale: no returns
A
Retailer 3
-
$642 NZD
View
Retailer 4
-
$687 NZD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$687 NZD
View
A
Retailer 6
-
$751 NZD
View
B+
Retailer 7
-
$961 NZD
View
B
Retailer 8
-
$1,117 NZD
View
B
Retailer 9
-
$1,146 NZD
View
B+
Retailer 10
-
$1,206 NZD
View
B
Retailer 11
-
$2,108 NZD
View
B
Retailer 12
-
$2,206 NZD
View
B
Retailer 13
-
$2,288 NZD
View
B
Retailer 14
-
$2,741 NZD
View
B
Retailer 15
-
$2,754 NZD
View
Most Expensive
B
Brilliant Earth
14466497A · Nov 4
$3,469 NZD
$1,950 USD
View
15 more retailers have this diamond
Prices start from $553 NZDSave up to $2,916 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
$553 NZD