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Round|Natural|IGI

1.03ct I IF Round Natural Diamond

EX • I/IF • IGI 836698643

Shape and cutting style on the report: Round brilliant

Certificate IGI 836698643

Diamond specifications and retailer prices

From £1,658 GBP
As of November 4, 2026
Save £2,982 GBP (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £4,639 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 836698643. Listed at 13 retailers as of November 4, 2026, with prices from £1,658 to £4,639, a £2,982 spread on the same certified stone. NZ Jewellers lists it at £4,639. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 836698643
Dimensions6.53 × 6.57 × 3.96 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.53 mm6.57 mm1.03 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 836698643
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.4%

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: £2,409 GBP|Low: £1,656 GBP|High: £3,755 GBP|Avg: £2,401 GBP|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 6£1,658 GBP
Retailer 5£1,984 GBP
Retailer 7£2,048 GBP
Retailer 2£2,402 GBP
Retailer 1£2,409 GBP
Retailer 4£2,554 GBP
Retailer 3£3,701 GBP

29 data points across 7 retailers

13 retailers£1,658 GBP to £4,639 GBP

A
Cheapest Retailer
-
£1,658 GBP
A
Retailer 2
-
£1,984 GBP
View
A
Retailer 3
-
£2,006 GBP
View
A
Retailer 4
-
£2,048 GBP
View
Final sale: no returns
A
Retailer 5
-
£2,085 GBP
View
A
Retailer 6
-
£2,219 GBP
View
A
Retailer 7
-
£2,304 GBP
View
A
Retailer 8
-
£2,402 GBP
View
A
Retailer 9
-
£2,409 GBP
View
A
Retailer 10
-
£2,554 GBP
View
A
Retailer 11
-
£2,561 GBP
View
B+
Retailer 12
-
£3,701 GBP
View
Most Expensive
B
NZ Jewellers
390cbe76-fbf2-4d92-93c7-7a8d216980fb · Nov 5
£4,639 GBP
$6,263 USD
View
12 more retailers have this diamond
Prices start from £1,658 GBPSave up to £2,982 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
1.03ct Round
£1,658 GBP