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Oval|Lab Grown|IGI

2.57ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG737503161

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG737503161

Diamond specifications and retailer prices

From $423 AUD
$297 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: $423 AUD at William & Sons Jewelers
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 William & Sons Jewelers

About this 2.57ct lab-grown oval diamond

This 2.57ct lab-grown oval sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG737503161 or 737503161. Listed at a single retailer as of October 30, 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

2.57
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737503161
Dimensions11.04 × 7.70 × 4.83 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Top View
11.04 mm7.70 mm2.57 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737503161
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $984 AUD|Low: $410 AUD|High: $2,345 AUD|Avg: $1,221 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
William & Sons Jewelers
October 7, 2026
William & Sons Jewelers$423 AUD
Retailer 7$879 AUD
Retailer 6$904 AUD
Retailer 1$984 AUD
Retailer 4$1,146 AUD
Retailer 5$1,210 AUD
Retailer 3$1,448 AUD
Retailer 2$1,654 AUD
Retailer 8$2,345 AUD

2 data points across 9 retailers

1 retailer

B+
William & Sons Jewelers
cert_LG737503161 · Oct 30
$423 AUD
$297 USD
View
Final sale: no returns

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+
2.57ct Oval
$423 AUD