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Round|Natural|IGI

1.03ct L I1 Round Natural Diamond

VG • L/I1 • IGI 642435922

Shape and cutting style on the report: Round brilliant

Certificate IGI 642435922

Diamond specifications and retailer prices

From £697 GBP
As of November 6, 2026
Save £137 GBP (16%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,070 GBP at NZ Jewellers · As of October 6, 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 L colour (faint-tinted) and I1 clarity (included), with a very-good cut grade and certified by IGI 642435922. Listed at 4 retailers as of November 5, 2026, with a relatively tight 20% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.03
Carat
L
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryVery Good
FluorescenceFaint
Crown angle37.3°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 642435922
Dimensions6.26 × 6.32 × 4.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeAbraded
Top View
6.26 mm6.32 mm1.03 ctL / I1
OriginNatural
CutVery Good
PolishGood
SymmetryVery Good
FluorescenceFaint
CertificateIGI 642435922
Side View
Table 59.0%Crown 37.3°Girdle: STK-THKPavilion 41.2°Culet: ABRDepth 64.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £834 GBP|Low: £474 GBP|High: £924 GBP|Avg: £690 GBP|-6.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 5£474 GBP
Retailer 3£598 GBP
Retailer 2£697 GBP
Retailer 4£774 GBP
Retailer 1£834 GBP

19 data points across 5 retailers

4 retailers£697 GBP to £834 GBP

Retailer 1
-
£598 GBP
Price last confirmed 17 days ago
B+
Retailer 2
-
£697 GBP
View
B+
Retailer 3
-
£834 GBP
View
Most Expensive
NZ Jewellers
8e086866-6efd-4020-b3e7-ad3e570fec65 · Oct 6
£2,070 GBP
$2,786 USD
View
Price last confirmed 31 days ago
3 more retailers have this diamond
Prices start from £697 GBPSave up to £137 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.

B+
1.03ct Round
£697 GBP