Round|Natural|IGI

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 $3,476 NZD
As of November 6, 2026
2 retailers carry this diamond
Most expensive: $3,520 NZD 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,520 NZD|Low: $2,199 NZD|High: $6,495 NZD|Avg: $4,199 NZD|+5.7%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
August 11, 2026
Retailer 3$2,199 NZD
Retailer 5$3,476 NZD
Rare Carat$3,520 NZD
Retailer 8$4,093 NZD
Retailer 2$4,172 NZD
Retailer 4$4,405 NZD
Retailer 7$5,315 NZD
Retailer 6$5,803 NZD

58 data points across 8 retailers

2 retailers

B+
Cheapest Retailer
-
$3,476 NZD
Most Expensive
Rare Carat
999125-57 · Aug 9
$3,520 NZD
$1,979 USD
View
Price last confirmed 88 days ago
1 more retailer has this diamond
Prices start from $3,476 NZD

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
$3,476 NZD