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Oval|Natural|IGI

1.00ct K I1 Oval Natural Diamond

VG • K/I1 • IGI 811694603

Shape and cutting style on the report: Oval brilliant

Certificate IGI 811694603

Diamond specifications and retailer prices

From £481 GBP
As of November 6, 2026
Save £1,482 GBP (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,963 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded K colour (faint-tinted) and I1 clarity (included), with a very-good cut grade and certified by IGI 811694603. Listed at 8 retailers as of November 5, 2026, with prices from £481 to £1,963, a £1,482 spread on the same certified stone. NZ Jewellers lists it at £1,963. 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

1.00
Carat
K
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle38°
OriginNatural
Grading LabIGI
CertificateIGI 811694603
Dimensions7.79 × 5.49 × 3.57 mm
L/W Ratio1.42
Girdle conditionFaceted
Top View
7.79 mm5.49 mm1.00 ctK / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 811694603
Side View
Table 60.0%Crown 40.2°Girdle: MED-THKPavilion 38°CuletDepth 65.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,963 GBP|Low: £481 GBP|High: £2,024 GBP|Avg: £818 GBP|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2£481 GBP
Retailer 5£626 GBP
Retailer 6£626 GBP
Retailer 7£643 GBP
Retailer 8£648 GBP
Retailer 3£650 GBP
Retailer 4£722 GBP
NZ Jewellers£1,963 GBP

15 data points across 8 retailers

8 retailers£481 GBP to £1,963 GBP

B+
Cheapest Retailer
-
£481 GBP
B+
Retailer 2
-
£626 GBP
View
Retailer 3
-
£626 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£643 GBP
View
Retailer 5
-
£648 GBP
View
Price last confirmed 11 days ago
B+
Retailer 6
-
£650 GBP
View
B+
Retailer 7
-
£722 GBP
View
Most Expensive
C
NZ Jewellers
3d4de43b-8920-4d2a-8d29-cd4e8c956d65 · Nov 5
£1,963 GBP
$2,628 USD
View
7 more retailers have this diamond
Prices start from £481 GBPSave up to £1,482 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+
1.00ct Oval
£481 GBP