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1.72ct L SI2 Round Natural Diamond

EX • L/SI2 • IGI 728548165

Shape and cutting style on the report: Round brilliant

Certificate IGI 728548165

Diamond specifications and retailer prices

From $2,791 AUD
As of November 6, 2026
2 retailers carry this diamond
Most expensive: $2,827 AUD at Rare Carat · As of August 9, 2026
View at Rare Carat

About this 1.72ct natural round diamond

This 1.72ct 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 728548165. Listed at 2 retailers as of November 6, 2026. 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

1.72
Carat
L
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.7°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 728548165
Dimensions7.54 × 7.59 × 4.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.54 mm7.59 mm1.72 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 728548165
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.1%

Caratlytics Score

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

Last verified: Nov 6
Current: $2,827 AUD|Low: $1,766 AUD|High: $5,215 AUD|Avg: $3,372 AUD|+5.7%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
August 11, 2026
Retailer 3$1,766 AUD
Retailer 5$2,791 AUD
Rare Carat$2,827 AUD
Retailer 8$3,287 AUD
Retailer 2$3,350 AUD
Retailer 4$3,537 AUD
Retailer 7$4,268 AUD
Retailer 6$4,660 AUD

58 data points across 8 retailers

2 retailers

B+
Cheapest Retailer
-
$2,791 AUD
Most Expensive
Rare Carat
999125-57 · Aug 9
$2,827 AUD
$1,979 USD
View
Price last confirmed 88 days ago
1 more retailer has this diamond
Prices start from $2,791 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+
1.72ct Round
$2,791 AUD