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Emerald|Lab Grown|IGI

1.54ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG500166087

Shape and cutting style on the report: Emerald cut

Certificate IGI LG500166087

Diamond specifications and retailer prices

From $3,391 NZD
$1,911 USD
As of October 30, 2026
Save $841 NZD (20%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $11,247 NZD at MOH London · As of October 27, 2026
View at MOH London

About this 1.54ct lab-grown emerald diamond

This 1.54ct 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 LG500166087 or 500166087. Listed at 12 retailers as of October 30, 2026, with a relatively tight 25% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.54
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle26.2°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500166087
Dimensions8.15 × 5.41 × 3.40 mm
L/W Ratio1.51
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
8.15 mm5.41 mm1.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG500166087
Side View
Table 64.0%Crown 26.2°Girdle: MED-STKPavilion 35.2°Culet: LargeDepth 62.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
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Price History

Last verified: Oct 30
Current: $11,247 NZD|Low: $2,709 NZD|High: $11,382 NZD|Avg: $5,178 NZD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 6$3,391 NZD
Retailer 7$3,584 NZD
Retailer 12$3,689 NZD
Retailer 3$3,795 NZD
Retailer 8$3,932 NZD
Retailer 11$3,932 NZD
Retailer 4$4,232 NZD
Retailer 2$5,408 NZD
Retailer 9$6,162 NZD
Retailer 5$6,457 NZD
Retailer 10$7,370 NZD
MOH London$11,247 NZD

44 data points across 12 retailers

12 retailers$3,391 NZD to $4,232 NZD

B
Cheapest Retailer
-
$3,391 NZD
$1,911 USD
B
Retailer 2
-
$3,584 NZD
$2,020 USD
View
B
Retailer 3
-
$3,689 NZD
$2,079 USD
View
B
Retailer 4
-
$3,795 NZD
$2,139 USD
View
Final sale: no returns
B
Retailer 5
-
$3,932 NZD
$2,216 USD
View
Retailer 6
-
$3,932 NZD
$2,216 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
$4,232 NZD
$2,385 USD
View
Retailer 8
-
$5,408 NZD
£2,400 GBP
View
Price under review
Retailer 9
-
$6,162 NZD
$3,473 USD
View
Price under review
Retailer 10
-
$6,457 NZD
$3,639 USD
View
Price under review
Most Expensive
MOH London
LG500166087 · Oct 27
$11,247 NZD
£4,991 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $3,391 NZDSave up to $841 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
1.54ct Emerald
$3,391 NZD