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Round|Natural|IGI

1.01ct I I1 Round Natural Diamond

EX • I/I1 • IGI 811694601

Shape and cutting style on the report: Round brilliant

Certificate IGI 811694601

Diamond specifications and retailer prices

From £523 GBP
₹66,758 INR
As of November 1, 2026
Save £1,627 GBP (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,150 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 811694601. Listed at 11 retailers as of October 30, 2026, with prices from £523 to £2,150, a £1,627 spread on the same certified stone. NZ Jewellers lists it at £2,150. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 811694601
Dimensions6.35 × 6.38 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.35 mm6.38 mm1.01 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 811694601
Side View
Table 56.0%Crown 36.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.9%

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 1
Current: £2,150 GBP|Low: £523 GBP|High: £2,182 GBP|Avg: £844 GBP|-1.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2£523 GBP
Retailer 6£587 GBP
Retailer 4£623 GBP
Retailer 3£633 GBP
Retailer 9£686 GBP
Retailer 11£686 GBP
Retailer 7£697 GBP
Retailer 10£712 GBP
Retailer 8£791 GBP
Retailer 5£962 GBP
NZ Jewellers£2,150 GBP

11 data points across 11 retailers

11 retailers£523 GBP to £2,150 GBP

A
Cheapest Retailer
-
£523 GBP
₹66,758 INR
A
Retailer 2
-
£587 GBP
$787 USD
View
A
Retailer 3
-
£623 GBP
$835 USD
View
A
Retailer 4
-
£633 GBP
$848 USD
View
Final sale: no returns
B+
Retailer 5
-
£686 GBP
$919 USD
View
B+
Retailer 6
-
£686 GBP
$919 USD
View
A
Retailer 7
-
£697 GBP
$934 USD
View
B+
Retailer 8
-
£712 GBP
$954 USD
View
A
Retailer 9
-
£791 GBP
$1,060 USD
View
A
Retailer 10
-
£962 GBP
€1,227 EUR
View
Most Expensive
B
NZ Jewellers
5d7ad4cd-4f28-4737-b4e6-47c1e4899b91 · Oct 30
£2,150 GBP
$2,881 USD
View
10 more retailers have this diamond
Prices start from £523 GBPSave up to £1,627 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
1.01ct Round
£523 GBP