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Emerald|Lab Grown|IGI

1.57ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG496134917

Shape and cutting style on the report: Emerald cut

Certificate IGI LG496134917

Diamond specifications and retailer prices

From $2,469 AUD
$1,734 USD
As of November 1, 2026
Save $2,026 AUD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,367 AUD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496134917 or 496134917. Listed at 12 retailers as of November 1, 2026, with a 82% 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496134917
Dimensions7.82 × 5.40 × 3.74 mm
L/W Ratio1.45
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
7.82 mm5.40 mm1.57 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496134917
Side View
Table 63.0%Crown 26°Girdle: MediumPavilion 41.8°Culet: LNGDepth 69.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,367 AUD|Low: $2,370 AUD|High: $8,288 AUD|Avg: $3,802 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 7$2,469 AUD
Retailer 8$2,548 AUD
Retailer 12$2,686 AUD
Retailer 3$2,765 AUD
Retailer 9$2,864 AUD
Retailer 11$2,864 AUD
Retailer 4$3,103 AUD
Retailer 2$4,060 AUD
Retailer 10$4,494 AUD
Retailer 6$4,937 AUD
NZ Jewellers$5,367 AUD
Retailer 5$8,223 AUD

42 data points across 12 retailers

12 retailers$2,469 AUD to $4,494 AUD

B
Cheapest Retailer
-
$2,469 AUD
$1,734 USD
B
Retailer 2
-
$2,548 AUD
$1,790 USD
View
B
Retailer 3
-
$2,686 AUD
$1,887 USD
View
B
Retailer 4
-
$2,765 AUD
$1,942 USD
View
Final sale: no returns
B
Retailer 5
-
$2,864 AUD
$2,012 USD
View
Retailer 6
-
$2,864 AUD
$2,012 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
$3,103 AUD
$2,180 USD
View
B
Retailer 8
-
$4,060 AUD
£2,246 GBP
View
B
Retailer 9
-
$4,494 AUD
$3,157 USD
View
Retailer 10
-
$4,937 AUD
$3,468 USD
View
Price under review
Most Expensive
NZ Jewellers
7e4cb6b3-91e1-4e80-9115-3e93694955b3 · Oct 31
$5,367 AUD
$3,770 USD
View
Price under review
10 more retailers have this diamond
Prices start from $2,469 AUDSave up to $2,026 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.

B
1.57ct Emerald
$2,469 AUD