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Emerald|Lab Grown|IGI

1.00ct H SI2 Emerald Lab Grown Diamond

ID • H/SI2 • IGI LG512220558

Shape and cutting style on the report: Emerald cut

Certificate IGI LG512220558

Diamond specifications and retailer prices

From $709 AUD
As of November 6, 2026
Save $2,949 AUD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,657 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512220558 or 512220558. Listed at 10 retailers as of November 5, 2026, with prices from $709 to $3,657, a $2,949 spread on the same certified stone. MOH London lists it at $3,657. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.4°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512220558
Dimensions7.19 × 4.63 × 2.85 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
7.19 mm4.63 mm1.00 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512220558
Side View
Table 68.5%Crown 25.4°Girdle: MED-STKPavilion 35.3°Culet: LNGDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,657 AUD|Low: $680 AUD|High: $3,712 AUD|Avg: $1,498 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
November 5, 2026
Retailer 6$709 AUD
Retailer 12$791 AUD
Retailer 11$793 AUD
Retailer 2$843 AUD
Retailer 7$879 AUD
Retailer 10$879 AUD
Retailer 8$1,367 AUD
Retailer 3$1,490 AUD
Retailer 4$1,838 AUD
Retailer 9$2,310 AUD
Retailer 5$2,361 AUD
MOH London$3,657 AUD

17 data points across 12 retailers

10 retailers$709 AUD to $3,657 AUD

A
Cheapest Retailer
-
$709 AUD
A
Retailer 2
-
$791 AUD
View
Final sale: no returns
A
Retailer 3
-
$793 AUD
View
A
Retailer 4
-
$843 AUD
View
Retailer 5
-
$879 AUD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$879 AUD
View
B+
Retailer 7
-
$1,367 AUD
View
B
Retailer 8
-
$2,310 AUD
View
B
Retailer 9
-
$2,361 AUD
View
Most Expensive
B
MOH London
LG512220558 · Nov 5
$3,657 AUD
£2,016 GBP
View
9 more retailers have this diamond
Prices start from $709 AUDSave up to $2,949 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
$709 AUD