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Emerald|Lab Grown|IGI

1.00ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG512205176

Shape and cutting style on the report: Emerald cut

Certificate IGI LG512205176

Diamond specifications and retailer prices

From $1,015 NZD
$571 USD
As of October 29, 2026
Save $4,459 NZD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,474 NZD at MOH London · As of October 26, 2026
View at MOH London

About this 1ct lab-grown emerald diamond

This 1ct lab-grown emerald sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512205176 or 512205176. Listed at 10 retailers as of October 26, 2026, with prices from $1,015 to $5,474, a $4,459 spread on the same certified stone. MOH London lists it at $5,474. 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

1.00
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle20.5°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512205176
Dimensions7.14 × 4.60 × 3.01 mm
L/W Ratio1.55
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
7.14 mm4.60 mm1.00 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512205176
Side View
Table 69.0%Crown 20.5°Girdle: MED-STKPavilion 36.3°Culet: LNGDepth 65.4%

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 29
Current: $5,474 NZD|Low: $976 NZD|High: $5,532 NZD|Avg: $2,079 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
October 26, 2026
Retailer 4$1,015 NZD
Retailer 5$1,084 NZD
Retailer 10$1,137 NZD
Retailer 6$1,260 NZD
Retailer 9$1,260 NZD
Retailer 11$1,493 NZD
Retailer 7$1,939 NZD
Retailer 3$2,003 NZD
Retailer 2$3,124 NZD
Retailer 8$3,313 NZD
MOH London$5,474 NZD

14 data points across 11 retailers

10 retailers$1,015 NZD to $5,474 NZD

A
Cheapest Retailer
-
$1,015 NZD
$571 USD
A
Retailer 2
-
$1,084 NZD
$610 USD
View
A
Retailer 3
-
$1,137 NZD
$640 USD
View
A
Retailer 4
-
$1,260 NZD
$709 USD
View
Retailer 5
-
$1,260 NZD
$709 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$1,493 NZD
$840 USD
View
B+
Retailer 7
-
$1,939 NZD
$1,091 USD
View
B
Retailer 8
-
$3,124 NZD
$1,758 USD
View
B
Retailer 9
-
$3,313 NZD
$1,864 USD
View
Most Expensive
B
MOH London
LG512205176 · Oct 26
$5,474 NZD
£2,425 GBP
View
9 more retailers have this diamond
Prices start from $1,015 NZDSave up to $4,459 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
1.00ct Emerald
$1,015 NZD