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Emerald|Lab Grown|IGI

1.57ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG526270874

Shape and cutting style on the report: Emerald cut

Certificate IGI LG526270874

Diamond specifications and retailer prices

From $241 USD
As of October 30, 2026
Save $1,429 USD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,670 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG526270874 or 526270874. Listed at 16 retailers as of October 29, 2026, with prices from $241 to $1,670, a $1,429 spread on the same certified stone. Brilliant Earth lists it at $1,670. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526270874
Dimensions8.01 × 5.33 × 3.65 mm
L/W Ratio1.50
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
8.01 mm5.33 mm1.57 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526270874
Side View
Table 67.5%Crown 25°Girdle: MediumPavilion 41.5°Culet: LNGDepth 68.5%

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 30
Current: $1,670 USD|Low: $232 USD|High: $1,720 USD|Avg: $629 USD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 7$241 USD
Retailer 5$270 USD
Retailer 11$280 USD
Retailer 3$299 USD
Retailer 9$299 USD
Retailer 8$499 USD
Retailer 13$504 USD
Retailer 6$566 USD
Retailer 4$627 USD
Retailer 10$962 USD
Retailer 2$965 USD
Retailer 12$1,205 USD
Brilliant Earth$1,670 USD

42 data points across 13 retailers

16 retailers$241 USD to $1,670 USD

A
Cheapest Retailer
-
$241 USD
A
Retailer 2
-
$270 USD
View
Final sale: no returns
A
Retailer 3
-
$280 USD
View
A
Retailer 4
-
$299 USD
View
Retailer 5
-
$299 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$499 USD
€475 EUR
View
B+
Retailer 7
-
$504 USD
View
B+
Retailer 8
-
$566 USD
£446 GBP
View
B+
Retailer 9
-
$627 USD
View
B+
Retailer 10
-
$754 USD
View
B
Retailer 11
-
$962 USD
View
B
Retailer 12
-
$965 USD
View
B
Retailer 13
-
$1,014 USD
View
Retailer 14
-
$1,205 USD
£949 GBP
View
Price last confirmed 11 days ago
B
Retailer 15
-
$1,326 USD
View
Most Expensive
B
Brilliant Earth
7642474A · Oct 29
$1,670 USD
View
15 more retailers have this diamond
Prices start from $241 USDSave up to $1,429 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
1.57ct Emerald
$241 USD