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Oval|Natural|IGI

1.30ct H SI1 Oval Natural Diamond

VG • H/SI1 • IGI 833690428

Shape and cutting style on the report: Oval brilliant

Certificate IGI 833690428

Diamond specifications and retailer prices

From £2,099 GBP
As of November 6, 2026
Save £2,817 GBP (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,917 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural oval diamond

This 1.3ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 833690428. Listed at 19 retailers as of November 5, 2026, with prices from £2,099 to £4,917, a £2,817 spread on the same certified stone. NZ Jewellers lists it at £4,917. 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

1.30
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle36.3°
OriginNatural
Grading LabIGI
CertificateIGI 833690428
Dimensions8.45 × 5.98 × 3.82 mm
L/W Ratio1.41
Girdle conditionFaceted
Top View
8.45 mm5.98 mm1.30 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 833690428
Side View
Table 63.0%Crown 41.4°Girdle: STK-THKPavilion 36.3°Culet: NoneDepth 63.9%

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 6
Current: £4,076 GBP|Low: £2,099 GBP|High: £4,770 GBP|Avg: £3,104 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2£2,099 GBP
Retailer 8£2,684 GBP
Retailer 3£2,737 GBP
Retailer 9£2,931 GBP
Retailer 5£2,973 GBP
Retailer 7£3,303 GBP
Retailer 4£3,444 GBP
Retailer 1£4,076 GBP
Retailer 6£4,707 GBP

27 data points across 9 retailers

19 retailers£2,099 GBP to £4,917 GBP

A
Cheapest Retailer
-
£2,099 GBP
B+
Retailer 2
-
£2,506 GBP
View
B+
Retailer 3
-
£2,604 GBP
View
Final sale: no returns
B+
Retailer 4
-
£2,684 GBP
View
B+
Retailer 5
-
£2,701 GBP
View
B+
Retailer 6
-
£2,737 GBP
View
B+
Retailer 7
-
£2,806 GBP
View
Retailer 8
-
£2,823 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£2,823 GBP
View
B+
Retailer 10
-
£2,931 GBP
View
B+
Retailer 11
-
£2,931 GBP
View
B+
Retailer 12
-
£2,973 GBP
View
B+
Retailer 13
-
£2,973 GBP
View
B
Retailer 14
-
£3,257 GBP
View
B
Retailer 15
-
£3,303 GBP
View
B
Retailer 16
-
£3,444 GBP
View
B
Retailer 17
-
£4,076 GBP
View
B
Retailer 18
-
£4,707 GBP
View
Most Expensive
C
NZ Jewellers
e50731c4-0e18-4de8-88ac-a198d402974b · Nov 5
£4,917 GBP
$6,581 USD
View
18 more retailers have this diamond
Prices start from £2,099 GBPSave up to £2,817 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
1.30ct Oval
£2,099 GBP