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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 €2,338 EUR
$2,622 USD
As of November 2, 2026
Save €2,956 EUR (56%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €5,294 EUR 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 €2,338 to €5,294, a €2,956 spread on the same certified stone. NZ Jewellers lists it at €5,294. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €2,988 EUR|Low: €1,843 EUR|High: €4,490 EUR|Avg: €2,993 EUR|-14.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4€2,338 EUR
Retailer 5€2,450 EUR
Retailer 6€2,909 EUR
Retailer 3€2,961 EUR
Retailer 1€2,988 EUR
Retailer 2€4,436 EUR

22 data points across 6 retailers

7 retailers€2,338 EUR to €5,294 EUR

B+
Cheapest Retailer
-
€2,338 EUR
$2,622 USD
Final sale: no returns
B+
Retailer 2
-
€2,450 EUR
$2,748 USD
View
B+
Retailer 3
-
€2,909 EUR
$3,263 USD
View
B+
Retailer 4
-
€2,961 EUR
£2,615 GBP
View
B+
Retailer 5
-
€2,988 EUR
View
B
Retailer 6
-
€4,436 EUR
£3,918 GBP
View
Most Expensive
B
NZ Jewellers
011ca95d-346c-4cf3-85be-111a1d57f8d7 · Oct 30
€5,294 EUR
$5,938 USD
View
6 more retailers have this diamond
Prices start from €2,338 EURSave up to €2,956 EUR

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
€2,338 EUR