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Round|Natural|GIA

1.26ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2558086718

Certificate GIA 2558086718

Diamond specifications and retailer prices

From HK$18,117 HKD
$2,309 USD
As of November 2, 2026
Save HK$22,911 HKD (56%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$41,027 HKD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.26ct natural round diamond

This 1.26ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2558086718. Listed at 6 retailers as of November 2, 2026, with prices from HK$18,117 to HK$41,027, a HK$22,911 spread on the same certified stone. NZ Jewellers lists it at HK$41,027. 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

1.26
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2558086718
Dimensions6.88 × 6.92 × 4.33 mm
L/W Ratio1.01
Star length55%
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle, Natural
Top View
6.88 mm6.92 mm1.26 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2558086718
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

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 2
Current: HK$41,027 HKD|Low: HK$14,264 HKD|High: HK$41,027 HKD|Avg: HK$26,300 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5HK$18,117 HKD
Retailer 6HK$19,129 HKD
Retailer 4HK$23,018 HKD
Retailer 2HK$23,125 HKD
Retailer 3HK$34,388 HKD
NZ JewellersHK$41,027 HKD

27 data points across 6 retailers

6 retailersHK$18,117 HKD to HK$41,027 HKD

A
Cheapest Retailer
-
HK$18,117 HKD
$2,309 USD
Final sale: no returns
A
Retailer 2
-
HK$19,129 HKD
$2,438 USD
View
B+
Retailer 3
-
HK$23,018 HKD
£2,310 GBP
View
B+
Retailer 4
-
HK$23,125 HKD
€2,807 EUR
View
B
Retailer 5
-
HK$34,388 HKD
£3,451 GBP
View
Most Expensive
B
NZ Jewellers
9ff11a1b-c01f-436d-ac0d-ee41d124acd3 · Nov 2
HK$41,027 HKD
$5,229 USD
View
5 more retailers have this diamond
Prices start from HK$18,117 HKDSave up to HK$22,911 HKD

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
1.26ct Round
HK$18,117 HKD