Emerald|Lab Grown|IGI

1.57ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG825630571

Shape and cutting style on the report: Emerald cut

Certificate IGI LG825630571

Diamond specifications and retailer prices

From €182 EUR
$203 USD
As of October 29, 2026
Save €764 EUR (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,017 EUR at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.57ct lab-grown emerald diamond

This 1.57ct lab-grown emerald sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG825630571 or 825630571. Listed at 15 retailers as of October 26, 2026, with a 421% 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

1.57
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825630571
Dimensions8.29 × 5.42 × 3.59 mm
L/W Ratio1.53
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.29 mm5.42 mm1.57 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825630571
Side View
Table 67.0%Crown 41.1°Girdle: MED-STKPavilion 41.4°Culet: LargeDepth 66.2%

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 29
Current: €342 EUR|Low: €166 EUR|High: €1,119 EUR|Avg: €624 EUR|-4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
October 29, 2026
Retailer 7€182 EUR
Retailer 6€273 EUR
Retailer 1€342 EUR
Retailer 3€363 EUR
Retailer 5€496 EUR
Retailer 8€698 EUR
Retailer 2€779 EUR
Retailer 9€940 EUR
Retailer 4€946 EUR
Reve Diamonds€1,017 EUR

40 data points across 10 retailers

15 retailers€182 EUR to €946 EUR

A
Cheapest Retailer
-
€182 EUR
$203 USD
Final sale: no returns
Retailer 2
-
€195 EUR
$218 USD
View
Price last confirmed 21 days ago
Retailer 3
-
€226 EUR
$252 USD
View
Price last confirmed 22 days ago
Retailer 4
-
€242 EUR
$270 USD
View
Price last confirmed 29 days ago
B+
Retailer 5
-
€273 EUR
$305 USD
View
A
Retailer 6
-
€342 EUR
View
A
Retailer 7
-
€363 EUR
£319 GBP
View
A
Retailer 8
-
€496 EUR
$554 USD
View
B
Retailer 9
-
€698 EUR
$780 USD
View
Retailer 10
-
€777 EUR
$868 USD
View
Price last confirmed 25 days ago
B+
Retailer 11
-
€779 EUR
$870 USD
View
B
Retailer 12
-
€940 EUR
$1,050 USD
View
B
Retailer 13
-
€940 EUR
$1,050 USD
View
B
Retailer 14
-
€946 EUR
£832 GBP
View
Most Expensive
Reve Diamonds
78D5BD634 · Oct 25
€1,017 EUR
$1,136 USD
View
Price last confirmed 7 days ago
14 more retailers have this diamond
Prices start from €182 EURSave up to €764 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
1.57ct Emerald
€182 EUR