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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 $496 USD
As of October 29, 2026
Save $2,074 USD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,570 USD 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512220558 or 512220558. Listed at 10 retailers as of October 26, 2026, with prices from $496 to $2,570, a $2,074 spread on the same certified stone. MOH London lists it at $2,570. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,570 USD|Low: $476 USD|High: $2,598 USD|Avg: $1,044 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 6$496 USD
Retailer 12$554 USD
Retailer 11$555 USD
Retailer 2$590 USD
Retailer 7$615 USD
Retailer 10$615 USD
Retailer 8$957 USD
Retailer 3$1,043 USD
Retailer 4$1,288 USD
Retailer 9$1,617 USD
Retailer 5$1,653 USD
MOH London$2,570 USD

18 data points across 12 retailers

10 retailers$496 USD to $2,570 USD

A
Cheapest Retailer
-
$496 USD
A
Retailer 2
-
$554 USD
View
Final sale: no returns
A
Retailer 3
-
$555 USD
View
A
Retailer 4
-
$590 USD
View
Retailer 5
-
$615 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$615 USD
View
B+
Retailer 7
-
$957 USD
View
B
Retailer 8
-
$1,617 USD
View
B
Retailer 9
-
$1,653 USD
View
Most Expensive
B
MOH London
LG512220558 · Oct 26
$2,570 USD
£2,024 GBP
View
9 more retailers have this diamond
Prices start from $496 USDSave up to $2,074 USD

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
$496 USD