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Round|Natural|GIA

1.29ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6515963227

Certificate GIA 6515963227

Diamond specifications and retailer prices

From HK$20,571 HKD
$2,622 USD
As of November 2, 2026
Save HK$26,016 HKD (56%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$46,588 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.29ct natural round diamond

This 1.29ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6515963227. Listed at 7 retailers as of October 30, 2026, with prices from HK$20,571 to HK$46,588, a HK$26,016 spread on the same certified stone. NZ Jewellers lists it at HK$46,588. 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

1.29
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6515963227
Dimensions6.91 × 6.97 × 4.29 mm
L/W Ratio1.01
Star length50%
Top View
6.91 mm6.97 mm1.29 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6515963227
Side View
Table 60.0%Crown 35°Girdle: STK-STKPavilion 41.2°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$26,296 HKD|Low: HK$16,217 HKD|High: HK$39,507 HKD|Avg: HK$26,342 HKD|-14.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4HK$20,571 HKD
Retailer 5HK$21,560 HKD
Retailer 6HK$25,598 HKD
Retailer 3HK$26,056 HKD
Retailer 1HK$26,296 HKD
Retailer 2HK$39,039 HKD

22 data points across 6 retailers

7 retailersHK$20,571 HKD to HK$46,588 HKD

B+
Cheapest Retailer
-
HK$20,571 HKD
$2,622 USD
Final sale: no returns
B+
Retailer 2
-
HK$21,560 HKD
$2,748 USD
View
B+
Retailer 3
-
HK$25,598 HKD
$3,263 USD
View
B+
Retailer 4
-
HK$26,056 HKD
£2,615 GBP
View
B+
Retailer 5
-
HK$26,296 HKD
€3,192 EUR
View
B
Retailer 6
-
HK$39,039 HKD
£3,918 GBP
View
Most Expensive
B
NZ Jewellers
011ca95d-346c-4cf3-85be-111a1d57f8d7 · Oct 30
HK$46,588 HKD
$5,938 USD
View
6 more retailers have this diamond
Prices start from HK$20,571 HKDSave up to HK$26,016 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.

B+
1.29ct Round
HK$20,571 HKD