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Round|Natural|GIA

1.26ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6551711509

Certificate GIA 6551711509

Diamond specifications and retailer prices

From HK$19,827 HKD
£1,990 GBP
As of November 2, 2026
Save HK$16,273 HKD (45%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$44,650 HKD at NZ Jewellers · As of September 21, 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 6551711509. Listed at 8 retailers as of November 1, 2026, with a 82% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6551711509
Dimensions6.97 × 7.01 × 4.24 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
6.97 mm7.01 mm1.26 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551711509
Side View
Table 60.0%Crown 32.5°GirdlePavilion 41.4°CuletDepth 60.6%

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$19,827 HKD|Low: HK$19,821 HKD|High: HK$37,465 HKD|Avg: HK$25,592 HKD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 1HK$19,827 HKD
Retailer 4HK$20,242 HKD
Retailer 3HK$23,153 HKD
Retailer 2HK$36,100 HKD

39 data points across 4 retailers

8 retailersHK$19,827 HKD to HK$36,100 HKD

A
Cheapest Retailer
-
HK$19,827 HKD
£1,990 GBP
B+
Retailer 2
-
HK$20,242 HKD
$2,580 USD
View
Retailer 3
-
HK$20,705 HKD
$2,639 USD
View
Price last confirmed 26 days ago
Retailer 4
-
HK$21,309 HKD
$2,716 USD
View
Price last confirmed 33 days ago
Retailer 5
-
HK$21,356 HKD
$2,722 USD
View
Price last confirmed 40 days ago
B+
Retailer 6
-
HK$23,153 HKD
$2,951 USD
View
B
Retailer 7
-
HK$36,100 HKD
£3,623 GBP
View
Most Expensive
NZ Jewellers
d4fceba0-043a-4b5c-8780-10a5c1583334 · Sep 21
HK$44,650 HKD
$5,691 USD
View
Price last confirmed 41 days ago
7 more retailers have this diamond
Prices start from HK$19,827 HKDSave up to HK$16,273 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$19,827 HKD