CaratHunter
Plans
Round|Natural|GIA

1.29ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2566181093

Certificate GIA 2566181093

Diamond specifications and retailer prices

From $3,117 AUD
As of November 5, 2026
Save $2,352 AUD (43%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,469 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 2566181093. Listed at 12 retailers as of November 5, 2026, with prices from $3,117 to $5,469, a $2,352 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,469. 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
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2566181093
Dimensions6.90 × 4.36 × 4.36 mm
L/W Ratio1.58
Culet sizeNone
Top View
6.90 mm4.36 mm1.29 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566181093
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $4,222 AUD|Low: $3,100 AUD|High: $5,742 AUD|Avg: $4,046 AUD|-4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 6$3,117 AUD
Retailer 2$3,160 AUD
Retailer 9$3,276 AUD
Retailer 8$3,339 AUD
Retailer 4$3,580 AUD
Retailer 11$3,665 AUD
Retailer 10$4,167 AUD
Retailer 7$4,177 AUD
Retailer 1$4,222 AUD
Retailer 5$4,302 AUD
Retailer 3$5,133 AUD
Wholesale Diamonds Direct$5,469 AUD

31 data points across 12 retailers

12 retailers$3,117 AUD to $5,469 AUD

A
Cheapest Retailer
-
$3,117 AUD
A
Retailer 2
-
$3,160 AUD
View
A
Retailer 3
-
$3,276 AUD
View
A
Retailer 4
-
$3,339 AUD
View
A
Retailer 5
-
$3,580 AUD
View
A
Retailer 6
-
$3,665 AUD
View
B+
Retailer 7
-
$4,167 AUD
View
B+
Retailer 8
-
$4,177 AUD
View
B+
Retailer 9
-
$4,222 AUD
View
B+
Retailer 10
-
$4,302 AUD
View
B
Retailer 11
-
$5,133 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
636181062 · Nov 6
$5,469 AUD
$3,758 USD
View
11 more retailers have this diamond
Prices start from $3,117 AUDSave up to $2,352 AUD

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.

A
1.29ct Round
$3,117 AUD