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 $3,329 USD
As of November 5, 2026
Save $3,205 USD (49%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,635 USD 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
Color
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: $6,534 USD|Low: $3,329 USD|High: $6,838 USD|Avg: $4,417 USD|-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$3,329 USD
Retailer 12$3,385 USD
Retailer 5$3,405 USD
Retailer 13$3,750 USD
Retailer 4$3,808 USD
Retailer 10$3,895 USD
Retailer 2$3,905 USD
Retailer 7$4,311 USD
Retailer 11$4,327 USD
Retailer 6$4,365 USD
Retailer 8$4,577 USD
Retailer 3$6,369 USD
NZ Jewellers$6,534 USD

35 data points across 13 retailers

17 retailers$3,329 USD to $6,534 USD

A
Cheapest Retailer
-
$3,329 USD
A
Retailer 2
-
$3,385 USD
View
A
Retailer 3
-
$3,405 USD
View
Retailer 4
-
$3,637 USD
View
Price last confirmed 102 days ago
A
Retailer 5
-
$3,750 USD
View
Retailer 6
-
$3,808 USD
View
Price last confirmed 44 days ago
Retailer 7
-
$3,808 USD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$3,895 USD
View
A
Retailer 9
-
$3,905 USD
View
A
Retailer 10
-
$4,311 USD
View
A
Retailer 11
-
$4,327 USD
View
A
Retailer 12
-
$4,365 USD
View
Retailer 13
-
$4,394 USD
View
Price last confirmed 45 days ago
A
Retailer 14
-
$4,577 USD
View
B+
Retailer 15
-
$6,369 USD
View
B+
Retailer 16
-
$6,534 USD
View
Most Expensive
NZ Jewellers
ece66a54-529a-4bbf-bcc1-8db3d606065c · Sep 19
$6,635 USD
View
Price last confirmed 47 days ago
16 more retailers have this diamond
Prices start from $3,329 USDSave up to $3,205 USD

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
$3,329 USD