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Oval|Lab Grown|IGI

1.57ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG634437054

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG634437054

Diamond specifications and retailer prices

From $3,239 AUD
$2,270 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $3,239 AUD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.57ct lab-grown oval diamond

This 1.57ct lab-grown oval 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 LG634437054 or 634437054. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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 angle34.1°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634437054
Dimensions9.54 × 6.62 × 4.08 mm
L/W Ratio1.44
Girdle conditionFaceted
Top View
9.54 mm6.62 mm1.57 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634437054
Side View
Table 61.0%Crown 34.1°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 61.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $3,239 AUD|Low: $784 AUD|High: $3,239 AUD|Avg: $1,741 AUD|+6.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
January 4, 2026
Retailer 2$784 AUD
Retailer 3$1,100 AUD
Retailer 4$1,340 AUD
Brilliant Earth$3,239 AUD

10 data points across 4 retailers

1 retailer

B
Brilliant Earth
10244037A · Nov 2
$3,239 AUD
$2,270 USD
View

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B
1.57ct Oval
$3,239 AUD