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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 $343 AUD
$241 USD
As of October 30, 2026
Save $2,034 AUD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,377 AUD 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 $343 to $2,377, a $2,034 spread on the same certified stone. Brilliant Earth lists it at $2,377. 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 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: $2,377 AUD|Low: $330 AUD|High: $2,449 AUD|Avg: $896 AUD|-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$343 AUD
Retailer 5$384 AUD
Retailer 11$399 AUD
Retailer 3$426 AUD
Retailer 9$426 AUD
Retailer 8$710 AUD
Retailer 13$717 AUD
Retailer 2$807 AUD
Retailer 4$893 AUD
Retailer 10$1,370 AUD
Retailer 6$1,374 AUD
Retailer 12$1,716 AUD
Brilliant Earth$2,377 AUD

41 data points across 13 retailers

16 retailers$343 AUD to $2,377 AUD

A
Cheapest Retailer
-
$343 AUD
$241 USD
A
Retailer 2
-
$384 AUD
$270 USD
View
Final sale: no returns
A
Retailer 3
-
$399 AUD
$280 USD
View
A
Retailer 4
-
$426 AUD
$299 USD
View
Retailer 5
-
$426 AUD
$299 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$710 AUD
€475 EUR
View
B+
Retailer 7
-
$717 AUD
$504 USD
View
B+
Retailer 8
-
$807 AUD
£447 GBP
View
B+
Retailer 9
-
$893 AUD
$627 USD
View
B+
Retailer 10
-
$1,073 AUD
$754 USD
View
B
Retailer 11
-
$1,370 AUD
$962 USD
View
B
Retailer 12
-
$1,374 AUD
$965 USD
View
B
Retailer 13
-
$1,443 AUD
$1,014 USD
View
Retailer 14
-
$1,716 AUD
£949 GBP
View
Price last confirmed 12 days ago
B
Retailer 15
-
$1,887 AUD
$1,326 USD
View
Most Expensive
B
Brilliant Earth
7642474A · Oct 29
$2,377 AUD
$1,670 USD
View
15 more retailers have this diamond
Prices start from $343 AUDSave up to $2,034 AUD

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
$343 AUD