CaratHunter
Plans
Emerald|Lab Grown|IGI

1.51ct H I1 Emerald Lab Grown Diamond

ID • H/I1 • IGI LG620480918

Shape and cutting style on the report: Emerald cut

Certificate IGI LG620480918

Diamond specifications and retailer prices

From $596 NZD
$336 USD
As of November 1, 2026
Save $2,381 NZD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,977 NZD at MOH London · As of October 29, 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 H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG620480918 or 620480918. Listed at 10 retailers as of October 29, 2026, with prices from $596 to $2,977, a $2,381 spread on the same certified stone. MOH London lists it at $2,977. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620480918
Dimensions7.70 × 5.54 × 3.59 mm
L/W Ratio1.39
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
7.70 mm5.54 mm1.51 ctH / I1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620480918
Side View
Table 62.0%Crown 37.1°Girdle: MED-STKPavilion 39.3°Culet: LNGDepth 64.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,977 NZD|Low: $571 NZD|High: $2,995 NZD|Avg: $1,383 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 4$596 NZD
Retailer 5$738 NZD
Retailer 6$738 NZD
Retailer 8$818 NZD
Retailer 7$1,192 NZD
Retailer 3$1,194 NZD
Retailer 9$1,547 NZD
Retailer 2$2,166 NZD
MOH London$2,977 NZD

14 data points across 9 retailers

10 retailers$596 NZD to $2,977 NZD

B+
Cheapest Retailer
-
$596 NZD
$336 USD
B+
Retailer 2
-
$690 NZD
$389 USD
View
B+
Retailer 3
-
$738 NZD
$416 USD
View
Retailer 4
-
$738 NZD
$416 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$818 NZD
HK$3,600 HKD
View
B+
Retailer 6
-
$1,192 NZD
$672 USD
View
B+
Retailer 7
-
$1,194 NZD
$673 USD
View
B
Retailer 8
-
$2,166 NZD
$1,221 USD
View
B
Retailer 9
-
$2,374 NZD
$1,338 USD
View
Most Expensive
B
MOH London
LG620480918 · Oct 29
$2,977 NZD
£1,321 GBP
View
9 more retailers have this diamond
Prices start from $596 NZDSave up to $2,381 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+
1.51ct Emerald
$596 NZD