Round|Natural|IGI

1.73ct L SI2 Round Natural Diamond

EX • L/SI2 • IGI 642437475

Shape and cutting style on the report: Round brilliant

Certificate IGI 642437475

Diamond specifications and retailer prices

From $1,537 AUD
As of November 5, 2026
Save $1,040 AUD (40%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,577 AUD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.73ct natural round diamond

This 1.73ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 642437475. Listed at 2 retailers as of November 5, 2026, with prices from $1,537 to $2,577, a $1,040 spread on the same certified stone. Yorxs lists it at $2,577. 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

1.73
Carat
L
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 642437475
Dimensions7.60 × 7.63 × 4.83 mm
L/W Ratio1.00
Culet sizePointed
Top View
7.60 mm7.63 mm1.73 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 642437475
Side View
Table 57.0%Crown 36.3°Girdle: MediumPavilion 41.4°Culet: NoneDepth 63.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $1,537 AUD|Low: $1,537 AUD|High: $2,991 AUD|Avg: $2,282 AUD|-16.1%
Retailer 1
Retailer 2
Yorxs
November 6, 2026
Retailer 1$1,537 AUD
Retailer 2$2,326 AUD
Yorxs$2,577 AUD

45 data points across 3 retailers

2 retailers$1,537 AUD to $2,577 AUD

A
Cheapest Retailer
-
$1,537 AUD
Most Expensive
B+
Yorxs
MF1142 · Nov 6
$2,577 AUD
€1,718 EUR
View
1 more retailer has this diamond
Prices start from $1,537 AUDSave up to $1,040 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
1.73ct Round
$1,537 AUD