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Emerald|Lab Grown|IGI

1.72ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG557250132

Shape and cutting style on the report: Emerald cut

Certificate IGI LG557250132

Diamond specifications and retailer prices

From $174 USD
As of October 27, 2026
Save $221 USD (56%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,116 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.72ct lab-grown emerald diamond

This 1.72ct lab-grown emerald sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG557250132 or 557250132. Listed at 7 retailers as of October 27, 2026, with a 127% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.72
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557250132
Dimensions8.21 × 5.63 × 3.81 mm
L/W Ratio1.46
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
8.21 mm5.63 mm1.72 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557250132
Side View
Table 62.0%Crown 31.9°Girdle: MediumPavilion 39.9°Culet: LNGDepth 67.7%

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 27
Current: $1,116 USD|Low: $167 USD|High: $1,128 USD|Avg: $458 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
October 27, 2026
Retailer 5$174 USD
Retailer 2$195 USD
Retailer 9$202 USD
Retailer 6$216 USD
Retailer 10$250 USD
Retailer 7$384 USD
Retailer 4$395 USD
Retailer 3$440 USD
Retailer 8$767 USD
Retailer 11$918 USD
MOH London$1,116 USD

25 data points across 11 retailers

7 retailers$174 USD to $395 USD

A
Cheapest Retailer
-
$174 USD
A
Retailer 2
-
$202 USD
View
Retailer 3
-
$216 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$384 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$395 USD
€376 EUR
View
Retailer 6
-
$767 USD
View
Price last confirmed 8 days ago
Most Expensive
MOH London
LG557250132 · Oct 26
$1,116 USD
£879 GBP
View
Price last confirmed 7 days ago
6 more retailers have this diamond
Prices start from $174 USDSave up to $221 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
1.72ct Emerald
$174 USD