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Round|Natural|GIA

1.29ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6555471510

Certificate GIA 6555471510

Diamond specifications and retailer prices

From $5,785 NZD
$3,255 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $5,785 NZD at The Diamond Guys
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at The Diamond Guys

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 6555471510. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555471510
Dimensions6.90 × 6.93 × 4.33 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.90 mm6.93 mm1.29 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555471510
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
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Price History

Last verified: Nov 2
Current: $6,512 NZD|Low: $3,537 NZD|High: $9,100 NZD|Avg: $6,344 NZD|-10.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
The Diamond Guys
August 9, 2026
Retailer 11$3,537 NZD
Retailer 2$4,834 NZD
Retailer 4$5,108 NZD
Retailer 8$5,170 NZD
Retailer 9$5,778 NZD
The Diamond Guys$5,785 NZD
Retailer 5$6,194 NZD
Retailer 7$6,333 NZD
Retailer 1$6,512 NZD
Retailer 10$7,047 NZD
Retailer 6$7,927 NZD
Retailer 3$8,838 NZD

29 data points across 12 retailers

1 retailer

B
The Diamond Guys
1963438096 · Nov 2
$5,785 NZD
$3,255 USD
View

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
$5,785 NZD