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Emerald|Lab Grown|IGI

1.00ct I SI1 Emerald Lab Grown Diamond

ID • I/SI1 • IGI LG436046816

Shape and cutting style on the report: Emerald cut

Certificate IGI LG436046816

Diamond specifications and retailer prices

From $852 NZD
$480 USD
As of October 29, 2026
Save $6,125 NZD (88%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,976 NZD at MOH London · As of October 29, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436046816 or 436046816. Listed at 11 retailers as of October 29, 2026, with prices from $852 to $6,976, a $6,125 spread on the same certified stone. MOH London lists it at $6,976. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle18.4°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046816
Dimensions7.13 × 4.74 × 2.87 mm
L/W Ratio1.50
Culet sizeLong
Cert comments
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Top View
7.13 mm4.74 mm1.00 ctI / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436046816
Side View
Table 64.0%Crown 18.4°Girdle: MED-STKPavilion 37.4°Culet: LNGDepth 60.5%

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: $6,976 NZD|Low: $852 NZD|High: $7,021 NZD|Avg: $3,084 NZD|+0.6%
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 29, 2026
Retailer 7$852 NZD
Retailer 6$1,764 NZD
Retailer 12$1,918 NZD
Retailer 13$1,975 NZD
Retailer 8$2,046 NZD
Retailer 11$2,046 NZD
Retailer 3$2,360 NZD
Retailer 4$2,945 NZD
Retailer 9$3,268 NZD
Retailer 10$3,834 NZD
Retailer 2$4,409 NZD
Retailer 5$5,859 NZD
MOH London$6,976 NZD

18 data points across 13 retailers

11 retailers$852 NZD to $6,976 NZD

A
Cheapest Retailer
-
$852 NZD
$480 USD
B+
Retailer 2
-
$1,764 NZD
$994 USD
View
B+
Retailer 3
-
$1,918 NZD
$1,081 USD
View
B+
Retailer 4
-
$1,975 NZD
$1,113 USD
View
Final sale: no returns
B
Retailer 5
-
$2,046 NZD
$1,153 USD
View
Retailer 6
-
$2,046 NZD
$1,153 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$2,360 NZD
$1,330 USD
View
B
Retailer 8
-
$3,268 NZD
$1,842 USD
View
B
Retailer 9
-
$3,834 NZD
$2,161 USD
View
B
Retailer 10
-
$4,409 NZD
$2,485 USD
View
Most Expensive
B
MOH London
LG436046816 · Oct 29
$6,976 NZD
£3,096 GBP
View
10 more retailers have this diamond
Prices start from $852 NZDSave up to $6,125 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
$852 NZD