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Emerald|Lab Grown|IGI

1.00ct K SI1 Emerald Lab Grown Diamond

VG • K/SI1 • IGI LG400943085

Shape and cutting style on the report: Emerald cut

Certificate IGI LG400943085

Diamond specifications and retailer prices

From $1,340 NZD
As of November 6, 2026
Save $4,742 NZD (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,082 NZD at MOH London · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG400943085 or 400943085. Listed at 9 retailers as of November 5, 2026, with prices from $1,340 to $6,082, a $4,742 spread on the same certified stone. MOH London lists it at $6,082. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle24.8°
Pavilion angle45.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG400943085
Dimensions6.44 × 4.78 × 3.39 mm
L/W Ratio1.35
Culet sizeLong
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.44 mm4.78 mm1.00 ctK / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateIGI LG400943085
Side View
Table 65.5%Crown 24.8°Girdle: MED-STKPavilion 45.2°Culet: LNGDepth 70.9%

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 6
Current: $6,082 NZD|Low: $1,284 NZD|High: $6,179 NZD|Avg: $2,992 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4$1,340 NZD
Retailer 5$1,553 NZD
Retailer 7$1,553 NZD
Retailer 2$1,868 NZD
Retailer 6$2,514 NZD
Retailer 3$3,693 NZD
MOH London$6,082 NZD

19 data points across 7 retailers

9 retailers$1,340 NZD to $6,082 NZD

B+
Cheapest Retailer
-
$1,340 NZD
B+
Retailer 2
-
$1,457 NZD
View
B+
Retailer 3
-
$1,553 NZD
View
Retailer 4
-
$1,553 NZD
View
Price last confirmed 25 days ago
B
Retailer 5
-
$1,868 NZD
View
B
Retailer 6
-
$2,514 NZD
View
C
Retailer 7
-
$3,693 NZD
View
C
Retailer 8
-
$4,365 NZD
View
Most Expensive
C
MOH London
LG400943085 · Nov 5
$6,082 NZD
£2,692 GBP
View
8 more retailers have this diamond
Prices start from $1,340 NZDSave up to $4,742 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+
1.00ct Emerald
$1,340 NZD