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Emerald|Lab Grown|IGI

1.51ct I SI1 Emerald Lab Grown Diamond

ID • I/SI1 • IGI LG500149694

Shape and cutting style on the report: Emerald cut

Certificate IGI LG500149694

Diamond specifications and retailer prices

From $1,490 NZD
$840 USD
As of October 31, 2026
Save $7,147 NZD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,637 NZD at MOH London · As of October 25, 2026
View at MOH London

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500149694 or 500149694. Listed at 11 retailers as of October 25, 2026, with prices from $1,490 to $8,637, a $7,147 spread on the same certified stone. MOH London lists it at $8,637. 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

1.51
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500149694
Dimensions7.74 × 5.33 × 3.66 mm
L/W Ratio1.45
Culet sizeLong
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
7.74 mm5.33 mm1.51 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500149694
Side View
Table 63.5%Crown 27.9°Girdle: Slightly ThickPavilion 41.1°Culet: LNGDepth 68.7%

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 31
Current: $8,637 NZD|Low: $1,490 NZD|High: $8,730 NZD|Avg: $4,033 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
Retailer 13
October 30, 2026
Retailer 2$1,490 NZD
Retailer 6$2,314 NZD
Retailer 11$2,518 NZD
Retailer 12$2,590 NZD
Retailer 7$2,685 NZD
Retailer 10$2,685 NZD
Retailer 3$2,990 NZD
Retailer 4$3,698 NZD
Retailer 8$4,246 NZD
Retailer 13$5,004 NZD
Retailer 9$5,032 NZD
Retailer 5$7,686 NZD
MOH London$8,637 NZD

15 data points across 13 retailers

11 retailers$1,490 NZD to $8,637 NZD

A
Cheapest Retailer
-
$1,490 NZD
$840 USD
B
Retailer 2
-
$2,314 NZD
$1,304 USD
View
B
Retailer 3
-
$2,518 NZD
$1,419 USD
View
B
Retailer 4
-
$2,590 NZD
$1,460 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,685 NZD
$1,513 USD
View
Retailer 6
-
$2,685 NZD
$1,513 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$2,990 NZD
$1,685 USD
View
B
Retailer 8
-
$4,246 NZD
$2,393 USD
View
B
Retailer 9
-
$5,004 NZD
$2,820 USD
View
B
Retailer 10
-
$5,032 NZD
$2,836 USD
View
Most Expensive
B
MOH London
LG500149694 · Oct 25
$8,637 NZD
£3,833 GBP
View
10 more retailers have this diamond
Prices start from $1,490 NZDSave up to $7,147 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
1.51ct Emerald
$1,490 NZD