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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 €2,347 EUR
$2,622 USD
As of November 2, 2026
Save €2,968 EUR (56%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €5,315 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 €2,347 to €5,315, a €2,968 spread on the same certified stone. NZ Jewellers lists it at €5,315. 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
Color
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: €3,000 EUR|Low: €1,850 EUR|High: €4,507 EUR|Avg: €3,005 EUR|-14.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4€2,347 EUR
Retailer 5€2,460 EUR
Retailer 6€2,920 EUR
Retailer 3€2,973 EUR
Retailer 1€3,000 EUR
Retailer 2€4,454 EUR

22 data points across 6 retailers

7 retailers€2,347 EUR to €5,315 EUR

B+
Cheapest Retailer
-
€2,347 EUR
$2,622 USD
Final sale: no returns
B+
Retailer 2
-
€2,460 EUR
$2,748 USD
View
B+
Retailer 3
-
€2,920 EUR
$3,263 USD
View
B+
Retailer 4
-
€2,973 EUR
£2,615 GBP
View
B+
Retailer 5
-
€3,000 EUR
View
B
Retailer 6
-
€4,454 EUR
£3,918 GBP
View
Most Expensive
B
NZ Jewellers
011ca95d-346c-4cf3-85be-111a1d57f8d7 · Oct 30
€5,315 EUR
$5,938 USD
View
6 more retailers have this diamond
Prices start from €2,347 EURSave up to €2,968 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
€2,347 EUR