Round|Natural|GIA

1.26ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6445671090

Certificate GIA 6445671090

Diamond specifications and retailer prices

From HK$15,265 HKD
As of November 1, 2026
Save HK$27,347 HKD (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$42,612 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 6445671090. Listed at 13 retailers as of November 1, 2026, with prices from HK$15,265 to HK$42,612, a HK$27,347 spread on the same certified stone. NZ Jewellers lists it at HK$42,612. 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
FluorescenceStrong
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6445671090
Dimensions6.87 × 6.83 × 4.31 mm
L/W Ratio1.01
Top View
6.87 mm6.83 mm1.26 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6445671090
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.9%

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 1
Current: HK$42,612 HKD|Low: HK$15,065 HKD|High: HK$49,234 HKD|Avg: HK$24,731 HKD|-13.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 8HK$15,265 HKD
Retailer 9HK$16,202 HKD
Retailer 4HK$17,042 HKD
Retailer 13HK$18,281 HKD
Retailer 10HK$18,462 HKD
Retailer 11HK$18,462 HKD
Retailer 3HK$19,317 HKD
Retailer 12HK$21,302 HKD
Retailer 6HK$21,475 HKD
Retailer 2HK$22,977 HKD
Retailer 5HK$27,336 HKD
Retailer 7HK$35,713 HKD
NZ JewellersHK$42,612 HKD

40 data points across 13 retailers

13 retailersHK$15,265 HKD to HK$42,612 HKD

A
Cheapest Retailer
-
HK$15,265 HKD
A
Retailer 2
-
HK$16,202 HKD
$2,065 USD
View
A
Retailer 3
-
HK$17,042 HKD
$2,172 USD
View
Final sale: no returns
A
Retailer 4
-
HK$18,281 HKD
$2,330 USD
View
B+
Retailer 5
-
HK$18,462 HKD
$2,353 USD
View
B+
Retailer 6
-
HK$18,462 HKD
$2,353 USD
View
B+
Retailer 7
-
HK$19,317 HKD
$2,462 USD
View
B+
Retailer 8
-
HK$21,302 HKD
$2,715 USD
View
B+
Retailer 9
-
HK$21,475 HKD
£2,155 GBP
View
B+
Retailer 10
-
HK$22,977 HKD
€2,789 EUR
View
Retailer 11
-
HK$27,336 HKD
$3,484 USD
View
Price last confirmed 20 days ago
B
Retailer 12
-
HK$35,713 HKD
£3,584 GBP
View
Most Expensive
C
NZ Jewellers
a1949a10-952a-466a-aab5-f5bd6a4c9967 · Nov 2
HK$42,612 HKD
$5,431 USD
View
12 more retailers have this diamond
Prices start from HK$15,265 HKDSave up to HK$27,347 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$15,265 HKD