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Oval|Natural|GIA

1.00ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 2407712266

Certificate GIA 2407712266

Diamond specifications and retailer prices

From £1,511 GBP
As of November 6, 2026
Save £2,708 GBP (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,219 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2407712266. Listed at 21 retailers as of November 5, 2026, with prices from £1,511 to £4,219, a £2,708 spread on the same certified stone. NZ Jewellers lists it at £4,219. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2407712266
Dimensions8.04 × 5.30 × 3.47 mm
L/W Ratio1.52
Top View
8.04 mm5.30 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2407712266
Side View
Table 57.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.6%

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: £2,506 GBP|Low: £1,405 GBP|High: £3,578 GBP|Avg: £2,100 GBP|+2.2%
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 7£1,511 GBP
Retailer 3£1,620 GBP
Retailer 10£1,652 GBP
Retailer 9£1,687 GBP
Retailer 8£1,688 GBP
Retailer 2£1,913 GBP
Retailer 4£2,136 GBP
Retailer 11£2,261 GBP
Retailer 5£2,463 GBP
Retailer 1£2,506 GBP
Retailer 6£3,526 GBP

46 data points across 11 retailers

21 retailers£1,511 GBP to £4,219 GBP

B+
Cheapest Retailer
-
£1,511 GBP
B
Retailer 2
-
£1,620 GBP
View
B
Retailer 3
-
£1,652 GBP
View
B
Retailer 4
-
£1,655 GBP
View
B
Retailer 5
-
£1,687 GBP
View
Final sale: no returns
B
Retailer 6
-
£1,688 GBP
View
B
Retailer 7
-
£1,779 GBP
View
B
Retailer 8
-
£1,828 GBP
View
Retailer 9
-
£1,828 GBP
View
Price last confirmed 8 days ago
B
Retailer 10
-
£1,913 GBP
View
B
Retailer 11
-
£1,927 GBP
View
B
Retailer 12
-
£2,099 GBP
View
B
Retailer 13
-
£2,099 GBP
View
B
Retailer 14
-
£2,110 GBP
View
B
Retailer 15
-
£2,136 GBP
View
B
Retailer 16
-
£2,167 GBP
View
Retailer 17
-
£2,261 GBP
View
Price last confirmed 30 days ago
B
Retailer 18
-
£2,463 GBP
View
B
Retailer 19
-
£2,506 GBP
View
B
Retailer 20
-
£3,526 GBP
View
Most Expensive
B
NZ Jewellers
0d96e3d1-d7d6-446d-a4a5-aac496908631 · Nov 5
£4,219 GBP
$5,647 USD
View
20 more retailers have this diamond
Prices start from £1,511 GBPSave up to £2,708 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
£1,511 GBP