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Emerald|Lab Grown|IGI

1.50ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG496121293

Shape and cutting style on the report: Emerald cut

Certificate IGI LG496121293

Diamond specifications and retailer prices

From $3,070 NZD
$1,730 USD
As of October 29, 2026
Save $825 NZD (21%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,746 NZD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

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 LG496121293 or 496121293. Listed at 13 retailers as of October 29, 2026, with a 27% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle24.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496121293
Dimensions7.70 × 5.52 × 3.66 mm
L/W Ratio1.39
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.70 mm5.52 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496121293
Side View
Table 65.5%Crown 24.6°Girdle: MediumPavilion 40°Culet: LargeDepth 66.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,746 NZD|Low: $2,479 NZD|High: $10,402 NZD|Avg: $5,040 NZD
NZ Jewellers
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
October 30, 2026
Retailer 10$3,070 NZD
Retailer 9$3,103 NZD
Retailer 4$3,256 NZD
Retailer 14$3,375 NZD
Retailer 3$3,472 NZD
Retailer 11$3,598 NZD
Retailer 13$3,598 NZD
Retailer 5$3,895 NZD
Retailer 2$5,091 NZD
Retailer 12$5,649 NZD
Retailer 8$6,205 NZD
NZ Jewellers$6,746 NZD
Retailer 6$9,842 NZD
Retailer 7$10,334 NZD

42 data points across 14 retailers

13 retailers$3,070 NZD to $3,895 NZD

B
Cheapest Retailer
-
$3,070 NZD
$1,730 USD
B
Retailer 2
-
$3,103 NZD
$1,749 USD
View
B
Retailer 3
-
$3,375 NZD
$1,902 USD
View
B
Retailer 4
-
$3,472 NZD
$1,957 USD
View
Final sale: no returns
B
Retailer 5
-
$3,598 NZD
$2,028 USD
View
Retailer 6
-
$3,598 NZD
$2,028 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$3,895 NZD
$2,195 USD
View
Retailer 8
-
$5,091 NZD
£2,259 GBP
View
Price under review
Retailer 9
-
$5,649 NZD
$3,184 USD
View
Price under review
Retailer 10
-
$6,205 NZD
$3,497 USD
View
Price under review
Most Expensive
NZ Jewellers
c592220c-3894-4f27-be22-01b9568398e2 · Oct 31
$6,746 NZD
$3,802 USD
View
Price under review
10 more retailers have this diamond
Prices start from $3,070 NZDSave up to $825 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.

B
1.50ct Emerald
$3,070 NZD