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Emerald|Lab Grown|IGI

1.72ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG572340516

Shape and cutting style on the report: Emerald cut

Certificate IGI LG572340516

Diamond specifications and retailer prices

From £148 GBP
$197 USD
As of October 27, 2026
Save £1,271 GBP (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,419 GBP at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG572340516 or 572340516. Listed at 9 retailers as of October 27, 2026, with prices from £148 to £1,419, a £1,271 spread on the same certified stone. Do Amore Diamonds lists it at £1,419. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG572340516
Dimensions8.14 × 5.59 × 3.71 mm
L/W Ratio1.46
Culet sizeLarge
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
8.14 mm5.59 mm1.72 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG572340516
Side View
Table 64.0%Crown 35.8°Girdle: MediumPavilion 40.4°Culet: LargeDepth 66.4%

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 27
Current: £1,419 GBP|Low: £114 GBP|High: £1,434 GBP|Avg: £552 GBP|-1.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 26, 2026
Retailer 8£148 GBP
Retailer 10£167 GBP
Retailer 7£172 GBP
Retailer 6£320 GBP
Retailer 3£413 GBP
Retailer 11£584 GBP
Retailer 5£592 GBP
Retailer 9£651 GBP
Retailer 4£792 GBP
Retailer 2£813 GBP
Do Amore Diamonds£1,419 GBP

18 data points across 11 retailers

9 retailers£148 GBP to £1,419 GBP

A
Cheapest Retailer
-
£148 GBP
$197 USD
A
Retailer 2
-
£167 GBP
$223 USD
View
Final sale: no returns
A
Retailer 3
-
£172 GBP
$229 USD
View
B+
Retailer 4
-
£320 GBP
$426 USD
View
B+
Retailer 5
-
£592 GBP
$788 USD
View
B+
Retailer 6
-
£651 GBP
$867 USD
View
B
Retailer 7
-
£792 GBP
$1,055 USD
View
Price last confirmed 11 days ago
B
Retailer 8
-
£813 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C827F9FCC · Oct 27
£1,419 GBP
$1,890 USD
View
8 more retailers have this diamond
Prices start from £148 GBPSave up to £1,271 GBP

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
£148 GBP