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1.71ct L SI2 Round Natural Diamond

EX • L/SI2 • IGI 649443593

Shape and cutting style on the report: Round brilliant

Certificate IGI 649443593

Diamond specifications and retailer prices

From £930 GBP
As of November 5, 2026
Save £1,881 GBP (67%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,811 GBP at NZ Jewellers · As of November 5, 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 L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 649443593. Listed at 8 retailers as of November 5, 2026, with prices from £930 to £2,811, a £1,881 spread on the same certified stone. NZ Jewellers lists it at £2,811. 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
L
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 649443593
Dimensions7.54 × 7.58 × 4.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.54 mm7.58 mm1.71 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 649443593
Side View
Table 56.0%Crown 36.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.3%

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: Nov 5
Current: £2,811 GBP|Low: £930 GBP|High: £2,811 GBP|Avg: £1,383 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 2£930 GBP
Retailer 4£1,068 GBP
Retailer 8£1,152 GBP
Retailer 10£1,152 GBP
Retailer 6£1,206 GBP
Retailer 11£1,251 GBP
Retailer 7£1,253 GBP
Retailer 9£1,330 GBP
Retailer 5£1,470 GBP
Retailer 3£1,513 GBP
NZ Jewellers£2,811 GBP

43 data points across 11 retailers

8 retailers£930 GBP to £2,811 GBP

A
Cheapest Retailer
-
£930 GBP
A
Retailer 2
-
£1,068 GBP
View
B+
Retailer 3
-
£1,152 GBP
View
Retailer 4
-
£1,152 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£1,206 GBP
View
B+
Retailer 6
-
£1,253 GBP
View
B+
Retailer 7
-
£1,330 GBP
View
Most Expensive
B
NZ Jewellers
8368a9e0-30c4-40bd-a893-1b67d42898cb · Nov 5
£2,811 GBP
$3,784 USD
View
7 more retailers have this diamond
Prices start from £930 GBPSave up to £1,881 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
£930 GBP