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Oval|Natural|GIA

1.22ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 2557859174

Certificate GIA 2557859174

Diamond specifications and retailer prices

From £2,062 GBP
$2,760 USD
As of November 6, 2026
3 retailers carry this diamond
Most expensive: £2,062 GBP at The Diamond Guys
View at The Diamond Guys

About this 1.22ct natural oval diamond

This 1.22ct 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 2557859174. Listed at 3 retailers as of November 6, 2026. 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

1.22
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.25°
Pavilion angle40.5°
OriginNatural
Grading LabGIA
CertificateGIA 2557859174
Dimensions8.46 × 6.02 × 3.71 mm
L/W Ratio1.41
Culet sizeNone
Top View
8.46 mm6.02 mm1.22 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557859174
Side View
Table 58.0%Crown 36.25°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 61.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £1,775 GBP|Low: £1,546 GBP|High: £2,789 GBP|Avg: £1,986 GBP|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 11, 2026
Retailer 4£1,549 GBP
Retailer 2£1,575 GBP
Retailer 6£1,657 GBP
Retailer 9£1,662 GBP
Retailer 1£1,775 GBP
Retailer 11£1,819 GBP
Retailer 10£2,079 GBP
Retailer 7£2,096 GBP
Retailer 5£2,147 GBP
Retailer 3£2,548 GBP
Retailer 8£2,737 GBP

19 data points across 11 retailers

3 retailers

Retailer 1
-
£1,575 GBP
Price last confirmed 29 days ago
Retailer 2
-
£1,819 GBP
View
Price last confirmed 29 days ago
Most Expensive
B
The Diamond Guys
1967065454 · Nov 6
£2,062 GBP
$2,760 USD
View
2 more retailers have this diamond

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
1.22ct Oval
£2,062 GBP