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Round|Natural|IGI

1.71ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 784625394

Shape and cutting style on the report: Round brilliant

Certificate IGI 784625394

Diamond specifications and retailer prices

From £2,615 GBP
As of November 6, 2026
Save £2,841 GBP (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £5,457 GBP at NZ Jewellers · As of November 2, 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 784625394. Listed at 12 retailers as of November 2, 2026, with prices from £2,615 to £5,457, a £2,841 spread on the same certified stone. NZ Jewellers lists it at £5,457. 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
FluorescenceFaint
Crown angle36.1°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 784625394
Dimensions7.57 × 7.61 × 4.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.57 mm7.61 mm1.71 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 784625394
Side View
Table 57.0%Crown 36.1°Girdle: MED-STKPavilion 40.6°CuletDepth 62.6%

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 6
Current: £2,615 GBP|Low: £2,615 GBP|High: £5,300 GBP|Avg: £3,664 GBP|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1£2,615 GBP
Retailer 2£3,307 GBP
Retailer 6£3,615 GBP
Retailer 3£3,693 GBP
Retailer 4£3,823 GBP
Retailer 5£5,223 GBP

37 data points across 6 retailers

12 retailers£2,615 GBP to £5,457 GBP

A
Cheapest Retailer
-
£2,615 GBP
A
Retailer 2
-
£2,866 GBP
View
A
Retailer 3
-
£3,132 GBP
View
A
Retailer 4
-
£3,132 GBP
View
B+
Retailer 5
-
£3,242 GBP
View
A
Retailer 6
-
£3,307 GBP
View
B+
Retailer 7
-
£3,614 GBP
View
B+
Retailer 8
-
£3,615 GBP
View
A
Retailer 9
-
£3,693 GBP
View
B+
Retailer 10
-
£3,823 GBP
View
B
Retailer 11
-
£5,223 GBP
View
Most Expensive
B
NZ Jewellers
b7aa95e9-e4d5-4d38-8c9a-ff7b51621291 · Nov 2
£5,457 GBP
$7,344 USD
View
11 more retailers have this diamond
Prices start from £2,615 GBPSave up to £2,841 GBP

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
£2,615 GBP