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Emerald|Lab Grown|IGI

1.00ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG512205131

Shape and cutting style on the report: Emerald cut

Certificate IGI LG512205131

Diamond specifications and retailer prices

From $816 AUD
As of November 6, 2026
Save $3,567 AUD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,383 AUD 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512205131 or 512205131. Listed at 11 retailers as of November 5, 2026, with prices from $816 to $4,383, a $3,567 spread on the same certified stone. MOH London lists it at $4,383. 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
SymmetryVery Good
FluorescenceNone
Crown angle20.9°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512205131
Dimensions6.94 × 4.59 × 3.11 mm
L/W Ratio1.51
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
6.94 mm4.59 mm1.00 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG512205131
Side View
Table 68.5%Crown 20.9°Girdle: STK-THKPavilion 41.9°Culet: LNGDepth 67.8%

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: Nov 6
Current: $4,383 AUD|Low: $784 AUD|High: $4,447 AUD|Avg: $1,726 AUD|-0.2%
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
November 5, 2026
Retailer 8$816 AUD
Retailer 2$829 AUD
Retailer 3$914 AUD
Retailer 13$914 AUD
Retailer 9$1,013 AUD
Retailer 12$1,013 AUD
Retailer 6$1,200 AUD
Retailer 10$1,558 AUD
Retailer 4$1,610 AUD
Retailer 7$2,511 AUD
Retailer 11$2,663 AUD
Retailer 5$2,711 AUD
MOH London$4,383 AUD

23 data points across 13 retailers

11 retailers$816 AUD to $4,383 AUD

A
Cheapest Retailer
-
$816 AUD
A
Retailer 2
-
$829 AUD
View
A
Retailer 3
-
$914 AUD
View
Final sale: no returns
A
Retailer 4
-
$914 AUD
View
B+
Retailer 5
-
$1,013 AUD
View
Retailer 6
-
$1,013 AUD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$1,200 AUD
View
B+
Retailer 8
-
$1,558 AUD
View
B
Retailer 9
-
$2,511 AUD
View
B
Retailer 10
-
$2,663 AUD
View
Most Expensive
B
MOH London
LG512205131 · Nov 5
$4,383 AUD
£2,416 GBP
View
10 more retailers have this diamond
Prices start from $816 AUDSave up to $3,567 AUD

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
$816 AUD