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Oval|Natural|GIA

1.30ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 6541526602

Certificate GIA 6541526602

Diamond specifications and retailer prices

From £2,218 GBP
As of November 6, 2026
Save £2,811 GBP (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £5,030 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541526602. Listed at 24 retailers as of November 5, 2026, with prices from £2,218 to £5,030, a £2,811 spread on the same certified stone. NZ Jewellers lists it at £5,030. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.30
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.24°
Pavilion angle36.45°
OriginNatural
Grading LabGIA
CertificateGIA 6541526602
Dimensions8.26 × 5.89 × 3.83 mm
L/W Ratio1.40
Top View
8.26 mm5.89 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541526602
Side View
Table 64.0%Crown 42.24°Girdle: THK-VTKPavilion 36.45°Culet: NoneDepth 65.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £2,218 GBP|Low: £2,218 GBP|High: £4,879 GBP|Avg: £3,023 GBP|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1£2,218 GBP
Retailer 2£2,228 GBP
Retailer 8£2,545 GBP
Retailer 10£2,559 GBP
Retailer 3£2,728 GBP
Retailer 4£2,800 GBP
Retailer 5£2,806 GBP
Retailer 9£2,923 GBP
Retailer 6£3,361 GBP
Retailer 7£3,523 GBP
Retailer 11£4,827 GBP

26 data points across 11 retailers

24 retailers£2,218 GBP to £5,030 GBP

A
Cheapest Retailer
-
£2,218 GBP
A
Retailer 2
-
£2,228 GBP
View
A
Retailer 3
-
£2,540 GBP
View
A
Retailer 4
-
£2,545 GBP
View
A
Retailer 5
-
£2,559 GBP
View
B+
Retailer 6
-
£2,664 GBP
View
Final sale: no returns
B+
Retailer 7
-
£2,728 GBP
View
B+
Retailer 8
-
£2,761 GBP
View
B+
Retailer 9
-
£2,800 GBP
View
B+
Retailer 10
-
£2,806 GBP
View
B+
Retailer 11
-
£2,856 GBP
View
Retailer 12
-
£2,887 GBP
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£2,887 GBP
View
B+
Retailer 14
-
£2,923 GBP
View
B+
Retailer 15
-
£2,996 GBP
View
B+
Retailer 16
-
£2,998 GBP
View
Retailer 17
-
£3,092 GBP
View
Price last confirmed 29 days ago
B
Retailer 18
-
£3,331 GBP
View
B+
Retailer 19
-
£3,361 GBP
View
B
Retailer 20
-
£3,523 GBP
View
B
Retailer 21
-
£4,191 GBP
View
B
Retailer 22
-
£4,307 GBP
View
B
Retailer 23
-
£4,827 GBP
View
Most Expensive
B
NZ Jewellers
a2c6b41b-75d6-482b-b19f-7374a0391b58 · Nov 5
£5,030 GBP
$6,732 USD
View
23 more retailers have this diamond
Prices start from £2,218 GBPSave up to £2,811 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
£2,218 GBP