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Round|Natural|IGI

1.71ct H SI2 Round Natural Diamond

EX • H/SI2 • IGI 792678092

Shape and cutting style on the report: Round brilliant

Certificate IGI 792678092

Diamond specifications and retailer prices

From $2,838 AUD
SGD 2,694 SGD
As of October 31, 2026
Save $5,134 AUD (64%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,972 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.71ct natural round diamond

This 1.71ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 792678092. Listed at 10 retailers as of October 28, 2026, with prices from $2,838 to $7,972, a $5,134 spread on the same certified stone. Rare Carat lists it at $7,972. 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

1.71
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 792678092
Dimensions7.56 × 7.61 × 4.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.56 mm7.61 mm1.71 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 792678092
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $7,972 AUD|Low: $2,838 AUD|High: $10,084 AUD|Avg: $4,910 AUD|-20.9%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 4$2,838 AUD
Retailer 7$2,896 AUD
Retailer 3$3,333 AUD
Retailer 5$4,177 AUD
Retailer 2$4,231 AUD
Retailer 9$4,671 AUD
Retailer 6$5,876 AUD
Retailer 8$5,884 AUD
Rare Carat$7,972 AUD

36 data points across 9 retailers

10 retailers$2,838 AUD to $7,972 AUD

A
Cheapest Retailer
-
$2,838 AUD
SGD 2,694 SGD
A
Retailer 2
-
$3,333 AUD
$2,341 USD
View
A
Retailer 3
-
$3,388 AUD
$2,380 USD
View
A
Retailer 4
-
$4,177 AUD
$2,934 USD
View
A
Retailer 5
-
$4,231 AUD
£2,340 GBP
View
A
Retailer 6
-
$4,671 AUD
$3,281 USD
View
A
Retailer 7
-
$5,876 AUD
$4,128 USD
View
B+
Retailer 8
-
$6,833 AUD
$4,800 USD
View
Retailer 9
-
$7,830 AUD
$5,500 USD
View
Price last confirmed 24 days ago
Most Expensive
B+
Rare Carat
150396_823672069 · Oct 28
$7,972 AUD
$5,600 USD
View
9 more retailers have this diamond
Prices start from $2,838 AUDSave up to $5,134 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
1.71ct Round
$2,838 AUD