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Round|Natural|IGI

1.71ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 639424828

Shape and cutting style on the report: Round brilliant

Certificate IGI 639424828

Diamond specifications and retailer prices

From $4,755 AUD
As of November 5, 2026
Save $4,578 AUD (49%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,478 AUD at NZ Jewellers · As of September 19, 2026
View at NZ Jewellers

About this 1.71ct natural round diamond

This 1.71ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 639424828. Listed at 17 retailers as of November 5, 2026, with a 96% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 639424828
Dimensions7.69 × 7.63 × 4.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.69 mm7.63 mm1.71 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 639424828
Side View
Table 56.0%Crown 35°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.0%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $9,334 AUD|Low: $4,755 AUD|High: $9,768 AUD|Avg: $6,310 AUD|-4.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 9$4,755 AUD
Retailer 12$4,835 AUD
Retailer 5$4,864 AUD
Retailer 13$5,357 AUD
Retailer 4$5,440 AUD
Retailer 10$5,564 AUD
Retailer 2$5,578 AUD
Retailer 7$6,158 AUD
Retailer 11$6,181 AUD
Retailer 6$6,235 AUD
Retailer 8$6,538 AUD
Retailer 3$9,098 AUD
NZ Jewellers$9,334 AUD

35 data points across 13 retailers

17 retailers$4,755 AUD to $9,334 AUD

A
Cheapest Retailer
-
$4,755 AUD
A
Retailer 2
-
$4,835 AUD
View
A
Retailer 3
-
$4,864 AUD
View
Retailer 4
-
$5,195 AUD
View
Price last confirmed 102 days ago
A
Retailer 5
-
$5,357 AUD
View
Retailer 6
-
$5,440 AUD
View
Price last confirmed 44 days ago
Retailer 7
-
$5,440 AUD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$5,564 AUD
View
A
Retailer 9
-
$5,578 AUD
View
A
Retailer 10
-
$6,158 AUD
View
A
Retailer 11
-
$6,181 AUD
View
A
Retailer 12
-
$6,235 AUD
View
Retailer 13
-
$6,277 AUD
View
Price last confirmed 45 days ago
A
Retailer 14
-
$6,538 AUD
View
B+
Retailer 15
-
$9,098 AUD
View
B+
Retailer 16
-
$9,334 AUD
View
Most Expensive
NZ Jewellers
ece66a54-529a-4bbf-bcc1-8db3d606065c · Sep 19
$9,478 AUD
$6,635 USD
View
Price last confirmed 47 days ago
16 more retailers have this diamond
Prices start from $4,755 AUDSave up to $4,578 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
$4,755 AUD