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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 €248 EUR
$277 USD
As of October 30, 2026
Save €989 EUR (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,237 EUR at MOH London · As of October 29, 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 29, 2026, with prices from €248 to €1,237, a €989 spread on the same certified stone. MOH London lists it at €1,237. 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

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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: €1,237 EUR|Low: €238 EUR|High: €1,245 EUR|Avg: €617 EUR|+4.5%
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€248 EUR
Retailer 3€287 EUR
Retailer 9€307 EUR
Retailer 12€307 EUR
Retailer 5€448 EUR
Retailer 10€507 EUR
Retailer 4€538 EUR
Retailer 2€541 EUR
Retailer 6€943 EUR
Retailer 11€986 EUR
Retailer 8€1,226 EUR
MOH London€1,237 EUR

45 data points across 12 retailers

13 retailers€248 EUR to €1,237 EUR

A
Cheapest Retailer
-
€248 EUR
$277 USD
A
Retailer 2
-
€287 EUR
$321 USD
View
A
Retailer 3
-
€307 EUR
$343 USD
View
A
Retailer 4
-
€307 EUR
$343 USD
View
A
Retailer 5
-
€448 EUR
$500 USD
View
B+
Retailer 6
-
€507 EUR
$566 USD
View
B+
Retailer 7
-
€538 EUR
$601 USD
View
B+
Retailer 8
-
€541 EUR
£476 GBP
View
B+
Retailer 9
-
€607 EUR
HK$5,300 HKD
View
B
Retailer 10
-
€943 EUR
$1,054 USD
View
B
Retailer 11
-
€986 EUR
$1,102 USD
View
B
Retailer 12
-
€1,226 EUR
$1,370 USD
View
Most Expensive
B
MOH London
LG526279558 · Oct 29
€1,237 EUR
£1,088 GBP
View
12 more retailers have this diamond
Prices start from €248 EURSave up to €989 EUR

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
€248 EUR