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1.29ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2457467522

Certificate GIA 2457467522

Diamond specifications and retailer prices

From $3,820 AUD
£2,067 GBP
As of November 5, 2026
1 retailer carries this diamond
Only listing: $3,820 AUD at 77 Diamonds
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 77 Diamonds

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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2457467522. Listed at a single retailer as of November 5, 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2457467522
Dimensions6.91 × 6.96 × 4.35 mm
L/W Ratio1.01
Top View
6.91 mm6.96 mm1.29 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2457467522
Side View
Table 59.0%CrownGirdlePavilionCuletDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: $3,820 AUD|Low: $3,768 AUD|High: $4,886 AUD|Avg: $4,349 AUD|+0.4%
77 Diamonds
Retailer 2
November 5, 2026
77 Diamonds$3,820 AUD
Retailer 2$4,886 AUD

14 data points across 2 retailers

1 retailer

B+
77 Diamonds
RBPUIFSHJDTHXFY · Nov 5
$3,820 AUD
£2,067 GBP
View

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B+
1.29ct Round
$3,820 AUD