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1.71ct H SI2 Round Natural Diamond

EX • H/SI2 • IGI 833671536

Shape and cutting style on the report: Round brilliant

Certificate IGI 833671536

Diamond specifications and retailer prices

From £2,512 GBP
$3,366 USD
As of October 30, 2026
Save £2,418 GBP (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,930 GBP at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 833671536. Listed at 14 retailers as of October 30, 2026, with prices from £2,512 to £4,930, a £2,418 spread on the same certified stone. NZ Jewellers lists it at £4,930. 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 angle36.2°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 833671536
Dimensions7.57 × 7.62 × 4.71 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.57 mm7.62 mm1.71 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 833671536
Side View
Table 59.0%Crown 36.2°Girdle: Slightly ThickPavilion 40.4°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: Oct 30
Current: £4,930 GBP|Low: £2,394 GBP|High: £4,930 GBP|Avg: £3,279 GBP
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
Retailer 14
October 30, 2026
Retailer 4£2,512 GBP
Retailer 5£2,569 GBP
Retailer 14£2,611 GBP
Retailer 3£2,830 GBP
Retailer 12£2,830 GBP
Retailer 10£2,938 GBP
Retailer 6£2,939 GBP
Retailer 11£3,203 GBP
Retailer 9£3,261 GBP
Retailer 13£3,265 GBP
Retailer 2£3,313 GBP
Retailer 7£3,428 GBP
Retailer 8£4,758 GBP
NZ Jewellers£4,930 GBP

37 data points across 14 retailers

14 retailers£2,512 GBP to £4,930 GBP

A
Cheapest Retailer
-
£2,512 GBP
$3,366 USD
A
Retailer 2
-
£2,569 GBP
$3,442 USD
View
A
Retailer 3
-
£2,611 GBP
$3,499 USD
View
Final sale: no returns
A
Retailer 4
-
£2,830 GBP
$3,792 USD
View
A
Retailer 5
-
£2,830 GBP
$3,792 USD
View
A
Retailer 6
-
£2,938 GBP
$3,937 USD
View
A
Retailer 7
-
£2,939 GBP
$3,938 USD
View
A
Retailer 8
-
£3,203 GBP
$4,292 USD
View
A
Retailer 9
-
£3,261 GBP
View
A
Retailer 10
-
£3,265 GBP
$4,375 USD
View
A
Retailer 11
-
£3,313 GBP
€4,228 EUR
View
A
Retailer 12
-
£3,428 GBP
View
B+
Retailer 13
-
£4,758 GBP
View
Most Expensive
B+
NZ Jewellers
b962a8e3-478e-49be-81b0-f5b608bcc78e · Oct 30
£4,930 GBP
$6,606 USD
View
13 more retailers have this diamond
Prices start from £2,512 GBPSave up to £2,418 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
£2,512 GBP