Oval|Natural|GIA

1.30ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 1549118271

Certificate GIA 1549118271

Diamond specifications and retailer prices

From £2,806 GBP
As of November 5, 2026
Save £3,451 GBP (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £6,257 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 1549118271. Listed at 19 retailers as of November 5, 2026, with prices from £2,806 to £6,257, a £3,451 spread on the same certified stone. NZ Jewellers lists it at £6,257. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1549118271
Dimensions8.66 × 6.18 × 3.87 mm
L/W Ratio1.40
Culet sizeNone
Top View
8.66 mm6.18 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1549118271
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £6,257 GBP|Low: £2,863 GBP|High: £6,257 GBP|Avg: £4,103 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7£2,863 GBP
Retailer 6£3,056 GBP
Retailer 9£3,254 GBP
Retailer 10£3,254 GBP
Retailer 2£3,515 GBP
Retailer 8£3,620 GBP
Retailer 5£4,062 GBP
Retailer 3£4,382 GBP
Retailer 4£5,704 GBP
NZ Jewellers£6,257 GBP

46 data points across 10 retailers

19 retailers£2,806 GBP to £6,257 GBP

B+
Cheapest Retailer
-
£2,806 GBP
B+
Retailer 2
-
£2,863 GBP
View
B+
Retailer 3
-
£3,056 GBP
View
B+
Retailer 4
-
£3,071 GBP
View
B+
Retailer 5
-
£3,086 GBP
View
Retailer 6
-
£3,254 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£3,254 GBP
View
B+
Retailer 8
-
£3,254 GBP
View
B+
Retailer 9
-
£3,515 GBP
View
B
Retailer 10
-
£3,543 GBP
View
Retailer 11
-
£3,620 GBP
View
Price last confirmed 28 days ago
B
Retailer 12
-
£3,661 GBP
View
B
Retailer 13
-
£3,661 GBP
View
B
Retailer 14
-
£3,754 GBP
View
B
Retailer 15
-
£3,780 GBP
View
B
Retailer 16
-
£4,062 GBP
View
B
Retailer 17
-
£4,382 GBP
View
B
Retailer 18
-
£5,704 GBP
View
Most Expensive
B
NZ Jewellers
1d87e4be-adf5-4a49-96ae-f3e018dc5939 · Nov 5
£6,257 GBP
$8,375 USD
View
18 more retailers have this diamond
Prices start from £2,806 GBPSave up to £3,451 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+
1.30ct Oval
£2,806 GBP