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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 $4,979 NZD
$2,760 USD
As of November 6, 2026
4 retailers carry this diamond
Most expensive: $4,979 NZD 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 4 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: $4,286 NZD|Low: $3,732 NZD|High: $6,734 NZD|Avg: $4,795 NZD|+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$3,739 NZD
Retailer 2$3,803 NZD
Retailer 6$4,001 NZD
Retailer 9$4,014 NZD
Retailer 1$4,286 NZD
Retailer 11$4,392 NZD
Retailer 10$5,020 NZD
Retailer 7$5,060 NZD
Retailer 5$5,184 NZD
Retailer 3$6,151 NZD
Retailer 8$6,608 NZD

19 data points across 11 retailers

4 retailers

Retailer 1
-
$3,803 NZD
Price last confirmed 29 days ago
Retailer 2
-
$4,001 NZD
View
Price last confirmed 28 days ago
Retailer 3
-
$4,392 NZD
View
Price last confirmed 29 days ago
Most Expensive
B
The Diamond Guys
1967065454 · Nov 6
$4,979 NZD
$2,760 USD
View
3 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
$4,979 NZD