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Oval|Natural|GIA

1.21ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 6502903340

Certificate GIA 6502903340

Diamond specifications and retailer prices

From £1,626 GBP
As of November 4, 2026
Save £2,818 GBP (63%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: £4,444 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 I 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 6502903340. Listed at 30 retailers as of November 4, 2026, with prices from £1,626 to £4,444, a £2,818 spread on the same certified stone. NZ Jewellers lists it at £4,444. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.32°
Pavilion angle40.49°
OriginNatural
Grading LabGIA
CertificateGIA 6502903340
Dimensions8.57 × 5.87 × 3.65 mm
L/W Ratio1.46
Top View
8.57 mm5.87 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6502903340
Side View
Table 60.0%Crown 39.32°Girdle: MED-THKPavilion 40.49°Culet: NoneDepth 62.2%

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 4
Current: £4,444 GBP|Low: £1,431 GBP|High: £4,444 GBP|Avg: £2,114 GBP
NZ Jewellers
Retailer 2
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Retailer 32
November 6, 2026
Retailer 23£1,431 GBP
Retailer 26£1,616 GBP
Retailer 28£1,626 GBP
Retailer 4£1,659 GBP
Retailer 30£1,670 GBP
Retailer 31£1,685 GBP
Retailer 16£1,724 GBP
Retailer 5£1,731 GBP
Retailer 22£1,756 GBP
Retailer 18£1,777 GBP
Retailer 7£1,816 GBP
Retailer 6£1,926 GBP
Retailer 29£1,926 GBP
Retailer 19£1,946 GBP
Retailer 14£1,956 GBP
Retailer 9£2,014 GBP
Retailer 11£2,088 GBP
Retailer 2£2,090 GBP
Retailer 8£2,092 GBP
Retailer 20£2,129 GBP
Retailer 21£2,163 GBP
Retailer 17£2,180 GBP
Retailer 12£2,204 GBP
Retailer 32£2,204 GBP
Retailer 15£2,222 GBP
Retailer 24£2,250 GBP
Retailer 3£2,279 GBP
Retailer 13£2,485 GBP
Retailer 25£2,663 GBP
Retailer 10£3,062 GBP
Retailer 27£3,713 GBP
NZ Jewellers£4,444 GBP

30 data points across 32 retailers

30 retailers£1,626 GBP to £4,444 GBP

A
Cheapest Retailer
-
£1,626 GBP
A
Retailer 2
-
£1,659 GBP
View
A
Retailer 3
-
£1,670 GBP
View
A
Retailer 4
-
£1,685 GBP
View
A
Retailer 5
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£1,724 GBP
View
A
Retailer 6
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£1,731 GBP
View
A
Retailer 7
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£1,777 GBP
View
Final sale: no returns
A
Retailer 8
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£1,816 GBP
View
A
Retailer 9
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£1,851 GBP
View
Retailer 10
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£1,926 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
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£1,926 GBP
View
B+
Retailer 12
-
£1,946 GBP
View
B+
Retailer 13
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£1,956 GBP
View
B+
Retailer 14
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£2,014 GBP
View
B+
Retailer 15
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£2,088 GBP
View
B+
Retailer 16
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£2,090 GBP
View
B+
Retailer 17
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£2,092 GBP
View
B+
Retailer 18
-
£2,129 GBP
View
B+
Retailer 19
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£2,163 GBP
View
B+
Retailer 20
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£2,180 GBP
View
B+
Retailer 21
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£2,204 GBP
View
B+
Retailer 22
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£2,204 GBP
View
B+
Retailer 23
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£2,222 GBP
View
B+
Retailer 24
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£2,250 GBP
View
B+
Retailer 25
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£2,279 GBP
View
B+
Retailer 26
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£2,485 GBP
View
Retailer 27
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£2,663 GBP
View
Price last confirmed 37 days ago
B
Retailer 28
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£3,062 GBP
View
B
Retailer 29
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£3,713 GBP
View
Most Expensive
B
NZ Jewellers
20a28090-635d-4679-a6ba-96f0aad83060 · Nov 5
£4,444 GBP
$5,948 USD
View
29 more retailers have this diamond
Prices start from £1,626 GBPSave up to £2,818 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
£1,626 GBP