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1.29ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6515963227

Certificate GIA 6515963227

Diamond specifications and retailer prices

From $4,660 NZD
$2,622 USD
As of November 2, 2026
Save $5,894 NZD (56%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,554 NZD at NZ Jewellers · As of November 2, 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 November 2, 2026, with prices from $4,660 to $10,554, a $5,894 spread on the same certified stone. NZ Jewellers lists it at $10,554. 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: $5,957 NZD|Low: $3,674 NZD|High: $8,950 NZD|Avg: $5,967 NZD|-14.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4$4,660 NZD
Retailer 5$4,884 NZD
Retailer 6$5,799 NZD
Retailer 3$5,903 NZD
Retailer 1$5,957 NZD
Retailer 2$8,844 NZD

22 data points across 6 retailers

7 retailers$4,660 NZD to $10,554 NZD

B+
Cheapest Retailer
-
$4,660 NZD
$2,622 USD
Final sale: no returns
B+
Retailer 2
-
$4,884 NZD
$2,748 USD
View
B+
Retailer 3
-
$5,799 NZD
$3,263 USD
View
B+
Retailer 4
-
$5,903 NZD
£2,615 GBP
View
B+
Retailer 5
-
$5,957 NZD
€3,192 EUR
View
B
Retailer 6
-
$8,844 NZD
£3,918 GBP
View
Most Expensive
B
NZ Jewellers
011ca95d-346c-4cf3-85be-111a1d57f8d7 · Nov 2
$10,554 NZD
$5,938 USD
View
6 more retailers have this diamond
Prices start from $4,660 NZDSave up to $5,894 NZD

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
$4,660 NZD