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Emerald|Lab Grown|IGI

1.72ct G SI2 Emerald Lab Grown Diamond

ID • G/SI2 • IGI LG512231544

Shape and cutting style on the report: Emerald cut

Certificate IGI LG512231544

Diamond specifications and retailer prices

From $1,080 USD
As of October 30, 2026
Save $2,142 USD (66%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,915 USD at MOH London · As of October 27, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512231544 or 512231544. Listed at 11 retailers as of October 28, 2026, with a 198% 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
G
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle18.9°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512231544
Dimensions8.09 × 5.94 × 3.72 mm
L/W Ratio1.36
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
8.09 mm5.94 mm1.72 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG512231544
Side View
Table 67.5%Crown 18.9°Girdle: MediumPavilion 37.4°Culet: LNGDepth 62.6%

Caratlytics Score

How it works →
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: Oct 30
Current: $4,915 USD|Low: $1,080 USD|High: $4,975 USD|Avg: $2,283 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$1,080 USD
Retailer 4$1,482 USD
Retailer 9$1,612 USD
Retailer 10$1,659 USD
Retailer 5$1,719 USD
Retailer 8$1,719 USD
Retailer 3$2,427 USD
Retailer 6$2,708 USD
Retailer 7$3,222 USD
MOH London$4,915 USD

43 data points across 10 retailers

11 retailers$1,080 USD to $3,222 USD

B+
Cheapest Retailer
-
$1,080 USD
B
Retailer 2
-
$1,482 USD
View
B
Retailer 3
-
$1,612 USD
View
B
Retailer 4
-
$1,659 USD
View
Final sale: no returns
B
Retailer 5
-
$1,719 USD
View
Retailer 6
-
$1,719 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$2,427 USD
£1,911 GBP
View
B
Retailer 8
-
$2,708 USD
View
B
Retailer 9
-
$3,119 USD
View
B
Retailer 10
-
$3,222 USD
View
Most Expensive
MOH London
LG512231544 · Oct 27
$4,915 USD
£3,870 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $1,080 USDSave up to $2,142 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.

B+
1.72ct Emerald
$1,080 USD