Round|Natural|GIA

1.29ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6515963227

Certificate GIA 6515963227

Diamond specifications and retailer prices

From $2,622 USD
As of November 2, 2026
Save $3,316 USD (56%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,938 USD 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 $2,622 to $5,938, a $3,316 spread on the same certified stone. NZ Jewellers lists it at $5,938. 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: $3,352 USD|Low: $2,067 USD|High: $5,036 USD|Avg: $3,358 USD|-14.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4$2,622 USD
Retailer 5$2,748 USD
Retailer 6$3,263 USD
Retailer 3$3,321 USD
Retailer 1$3,352 USD
Retailer 2$4,976 USD

22 data points across 6 retailers

7 retailers$2,622 USD to $5,938 USD

B+
Cheapest Retailer
-
$2,622 USD
Final sale: no returns
B+
Retailer 2
-
$2,748 USD
View
B+
Retailer 3
-
$3,263 USD
View
B+
Retailer 4
-
$3,321 USD
£2,615 GBP
View
B+
Retailer 5
-
$3,352 USD
€3,192 EUR
View
B
Retailer 6
-
$4,976 USD
£3,918 GBP
View
Most Expensive
B
NZ Jewellers
011ca95d-346c-4cf3-85be-111a1d57f8d7 · Oct 30
$5,938 USD
View
6 more retailers have this diamond
Prices start from $2,622 USDSave up to $3,316 USD

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
$2,622 USD