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Oval|Natural|GIA

1.00ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 7446979924

Certificate GIA 7446979924

Diamond specifications and retailer prices

From £1,490 GBP
As of November 1, 2026
Save £2,391 GBP (62%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,881 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7446979924. Listed at 17 retailers as of November 1, 2026, with prices from £1,490 to £3,881, a £2,391 spread on the same certified stone. NZ Jewellers lists it at £3,881. 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

1.00
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle40.86°
OriginNatural
Grading LabGIA
CertificateGIA 7446979924
Dimensions7.86 × 5.56 × 3.43 mm
L/W Ratio1.41
Top View
7.86 mm5.56 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7446979924
Side View
Table 63.0%Crown 39.2°Girdle: Slightly ThickPavilion 40.86°Culet: NoneDepth 61.7%

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 1
Current: £3,881 GBP|Low: £1,336 GBP|High: £3,881 GBP|Avg: £2,232 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 6£1,490 GBP
Retailer 8£1,519 GBP
Retailer 9£1,552 GBP
Retailer 7£1,622 GBP
Retailer 10£1,759 GBP
Retailer 4£1,922 GBP
Retailer 3£1,964 GBP
Retailer 2£2,283 GBP
Retailer 5£3,244 GBP
NZ Jewellers£3,881 GBP

44 data points across 10 retailers

17 retailers£1,490 GBP to £3,881 GBP

B+
Cheapest Retailer
-
£1,490 GBP
B+
Retailer 2
-
£1,512 GBP
View
B+
Retailer 3
-
£1,519 GBP
View
B
Retailer 4
-
£1,552 GBP
View
Final sale: no returns
B
Retailer 5
-
£1,622 GBP
View
Retailer 6
-
£1,682 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£1,682 GBP
View
B+
Retailer 8
-
£1,721 GBP
View
B+
Retailer 9
-
£1,759 GBP
View
B
Retailer 10
-
£1,913 GBP
View
B
Retailer 11
-
£1,913 GBP
View
B
Retailer 12
-
£1,922 GBP
View
B
Retailer 13
-
£1,964 GBP
View
B
Retailer 14
-
£1,980 GBP
View
B
Retailer 15
-
£2,283 GBP
View
B
Retailer 16
-
£3,244 GBP
View
Most Expensive
B
NZ Jewellers
107a5f90-722a-46f2-928e-b1328ac92a9c · Nov 5
£3,881 GBP
$5,195 USD
View
16 more retailers have this diamond
Prices start from £1,490 GBPSave up to £2,391 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
£1,490 GBP