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Oval|Natural|GIA

1.21ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 2547731954

Certificate GIA 2547731954

Diamond specifications and retailer prices

From £882 GBP
As of November 6, 2026
Save £1,962 GBP (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,844 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural oval diamond

This 1.21ct 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 2547731954. Listed at 10 retailers as of November 5, 2026, with prices from £882 to £2,844, a £1,962 spread on the same certified stone. NZ Jewellers lists it at £2,844. 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

1.21
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2547731954
Dimensions8.27 × 5.90 × 3.77 mm
L/W Ratio1.40
Top View
8.27 mm5.90 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2547731954
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 64.0%

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: £2,844 GBP|Low: £882 GBP|High: £3,177 GBP|Avg: £1,544 GBP|-10.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2£882 GBP
Retailer 7£930 GBP
Retailer 6£1,080 GBP
Retailer 3£1,162 GBP
Retailer 10£1,218 GBP
Retailer 4£1,267 GBP
Retailer 5£1,293 GBP
Retailer 9£1,685 GBP
Retailer 8£2,162 GBP
NZ Jewellers£2,844 GBP

29 data points across 10 retailers

10 retailers£882 GBP to £2,844 GBP

A
Cheapest Retailer
-
£882 GBP
A
Retailer 2
-
£930 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,080 GBP
View
A
Retailer 4
-
£1,162 GBP
View
A
Retailer 5
-
£1,218 GBP
View
A
Retailer 6
-
£1,267 GBP
View
A
Retailer 7
-
£1,293 GBP
View
B+
Retailer 8
-
£1,685 GBP
View
B+
Retailer 9
-
£2,162 GBP
View
Most Expensive
B
NZ Jewellers
290a85a9-3003-4efb-8d17-b1d8b6c8cb37 · Nov 5
£2,844 GBP
$3,806 USD
View
9 more retailers have this diamond
Prices start from £882 GBPSave up to £1,962 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
1.21ct Oval
£882 GBP