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Emerald|Lab Grown|IGI

1.73ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG512205087

Shape and cutting style on the report: Emerald cut

Certificate IGI LG512205087

Diamond specifications and retailer prices

From €1,218 EUR
As of November 4, 2026
Save €3,655 EUR (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,873 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.73ct lab-grown emerald diamond

This 1.73ct lab-grown emerald sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512205087 or 512205087. Listed at 12 retailers as of November 4, 2026, with prices from €1,218 to €4,873, a €3,655 spread on the same certified stone. MOH London lists it at €4,873. 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

1.73
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.6°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512205087
Dimensions8.72 × 5.66 × 3.52 mm
L/W Ratio1.54
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
8.72 mm5.66 mm1.73 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512205087
Side View
Table 64.5%Crown 26.6°Girdle: THN-MEDPavilion 35.3°Culet: LNGDepth 62.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €4,873 EUR|Low: €1,218 EUR|High: €4,951 EUR|Avg: €2,648 EUR|-0.3%
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
Retailer 14
November 5, 2026
Retailer 8€1,218 EUR
Retailer 7€1,475 EUR
Retailer 13€1,605 EUR
Retailer 14€1,652 EUR
Retailer 9€1,711 EUR
Retailer 12€1,711 EUR
Retailer 3€1,863 EUR
Retailer 5€2,298 EUR
Retailer 10€2,689 EUR
Retailer 2€2,950 EUR
Retailer 11€3,207 EUR
Retailer 4€4,708 EUR
MOH London€4,873 EUR
Retailer 6€4,898 EUR

17 data points across 14 retailers

12 retailers€1,218 EUR to €4,873 EUR

B+
Cheapest Retailer
-
€1,218 EUR
B+
Retailer 2
-
€1,475 EUR
View
B
Retailer 3
-
€1,605 EUR
View
B
Retailer 4
-
€1,652 EUR
View
Final sale: no returns
B
Retailer 5
-
€1,711 EUR
View
Retailer 6
-
€1,711 EUR
View
Price last confirmed 25 days ago
B
Retailer 7
-
€1,863 EUR
View
B
Retailer 8
-
€2,689 EUR
View
B
Retailer 9
-
€2,950 EUR
View
B
Retailer 10
-
€3,207 EUR
View
B
Retailer 11
-
€4,708 EUR
View
Most Expensive
B
MOH London
LG512205087 · Nov 5
€4,873 EUR
£4,284 GBP
View
11 more retailers have this diamond
Prices start from €1,218 EURSave up to €3,655 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.

B+
1.73ct Emerald
€1,218 EUR