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Emerald|Lab Grown|IGI

1.43ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG526279558

Shape and cutting style on the report: Emerald cut

Certificate IGI LG526279558

Diamond specifications and retailer prices

From $277 USD
As of October 30, 2026
Save $1,097 USD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,374 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.43ct lab-grown emerald diamond

This 1.43ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG526279558 or 526279558. Listed at 13 retailers as of October 30, 2026, with prices from $277 to $1,374, a $1,097 spread on the same certified stone. MOH London lists it at $1,374. 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

1.43
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle20.5°
Pavilion angle47.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526279558
Dimensions7.80 × 5.27 × 3.56 mm
L/W Ratio1.48
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
7.80 mm5.27 mm1.43 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526279558
Side View
Table 68.5%Crown 20.5°Girdle: STK-THKPavilion 47.5°Culet: LNGDepth 67.6%

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: Oct 30
Current: $1,374 USD|Low: $266 USD|High: $1,391 USD|Avg: $690 USD|+3.9%
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 1, 2026
Retailer 7$277 USD
Retailer 3$321 USD
Retailer 9$343 USD
Retailer 12$343 USD
Retailer 5$500 USD
Retailer 10$566 USD
Retailer 4$601 USD
Retailer 2$604 USD
Retailer 6$1,054 USD
Retailer 11$1,102 USD
Retailer 8$1,370 USD
MOH London$1,374 USD

44 data points across 12 retailers

13 retailers$277 USD to $1,374 USD

A
Cheapest Retailer
-
$277 USD
A
Retailer 2
-
$321 USD
View
A
Retailer 3
-
$343 USD
View
Retailer 4
-
$343 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$500 USD
View
B+
Retailer 6
-
$566 USD
View
B+
Retailer 7
-
$601 USD
View
B+
Retailer 8
-
$604 USD
£476 GBP
View
B+
Retailer 9
-
$678 USD
HK$5,300 HKD
View
B
Retailer 10
-
$1,054 USD
View
B
Retailer 11
-
$1,102 USD
View
B
Retailer 12
-
$1,370 USD
View
Most Expensive
B
MOH London
LG526279558 · Nov 1
$1,374 USD
£1,082 GBP
View
12 more retailers have this diamond
Prices start from $277 USDSave up to $1,097 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
1.43ct Emerald
$277 USD