Round|Natural|IGI

0.71ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 810633641

Shape and cutting style on the report: Round brilliant

Certificate IGI 810633641

Diamond specifications and retailer prices

From £463 GBP
As of November 4, 2026
Save £1,111 GBP (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,574 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.71ct natural round diamond

This 0.71ct natural round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 810633641. Listed at 14 retailers as of November 4, 2026, with prices from £463 to £1,574, a £1,111 spread on the same certified stone. NZ Jewellers lists it at £1,574. 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

0.71
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 810633641
Dimensions5.68 × 5.74 × 3.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.68 mm5.74 mm0.71 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 810633641
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.7%

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 4
Current: £1,574 GBP|Low: £424 GBP|High: £1,574 GBP|Avg: £710 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
November 6, 2026
Retailer 10£463 GBP
Retailer 5£502 GBP
Retailer 14£502 GBP
Retailer 11£521 GBP
Retailer 4£579 GBP
Retailer 6£600 GBP
Retailer 7£613 GBP
Retailer 12£621 GBP
Retailer 2£662 GBP
Retailer 9£681 GBP
Retailer 3£713 GBP
Retailer 13£733 GBP
Retailer 8£1,157 GBP
NZ Jewellers£1,574 GBP

43 data points across 14 retailers

14 retailers£463 GBP to £1,574 GBP

A
Cheapest Retailer
-
£463 GBP
Final sale: no returns
Retailer 2
-
£502 GBP
View
Price last confirmed 8 days ago
A
Retailer 3
-
£502 GBP
View
A
Retailer 4
-
£521 GBP
View
A
Retailer 5
-
£579 GBP
View
B+
Retailer 6
-
£600 GBP
View
A
Retailer 7
-
£613 GBP
View
B+
Retailer 8
-
£621 GBP
View
A
Retailer 9
-
£662 GBP
View
B+
Retailer 10
-
£681 GBP
View
B+
Retailer 11
-
£713 GBP
View
B+
Retailer 12
-
£733 GBP
View
B
Retailer 13
-
£1,157 GBP
View
Most Expensive
C
NZ Jewellers
6b795144-b68c-484f-bd9c-ecdf0b6c7ecd · Nov 5
£1,574 GBP
$2,118 USD
View
13 more retailers have this diamond
Prices start from £463 GBPSave up to £1,111 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
0.71ct Round
£463 GBP