Round|Natural|GIA

1.29ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6561017918

Certificate GIA 6561017918

Diamond specifications and retailer prices

From $2,869 AUD
As of November 5, 2026
13 retailers carry this diamond
Most expensive: $5,875 AUD at Wholesale Diamonds Direct · As of October 26, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561017918. Listed at 13 retailers as of November 5, 2026. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6561017918
Dimensions6.91 × 6.94 × 4.35 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.91 mm6.94 mm1.29 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6561017918
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $2,869 AUD|Low: $2,853 AUD|High: $6,407 AUD|Avg: $4,336 AUD|-8.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 5, 2026
Retailer 1$2,869 AUD
Retailer 10$3,484 AUD
Retailer 9$3,524 AUD
Retailer 8$3,583 AUD
Retailer 6$3,845 AUD
Retailer 4$3,902 AUD
Retailer 11$3,988 AUD
Retailer 2$4,213 AUD
Retailer 3$4,391 AUD
Retailer 5$4,564 AUD
Retailer 7$4,634 AUD
Retailer 12$5,462 AUD
Wholesale Diamonds Direct$5,875 AUD

28 data points across 13 retailers

13 retailers

A
Cheapest Retailer
-
$2,869 AUD
Retailer 2
-
$3,484 AUD
View
Price last confirmed 8 days ago
Retailer 3
-
$3,524 AUD
View
Price last confirmed 8 days ago
Retailer 4
-
$3,583 AUD
View
Price last confirmed 10 days ago
Retailer 5
-
$3,845 AUD
View
Price last confirmed 8 days ago
Retailer 6
-
$3,902 AUD
View
Price last confirmed 8 days ago
Retailer 7
-
$3,988 AUD
View
Price last confirmed 8 days ago
Retailer 8
-
$4,213 AUD
View
Price last confirmed 9 days ago
Retailer 9
-
$4,391 AUD
View
Price last confirmed 9 days ago
Retailer 10
-
$4,564 AUD
View
Price last confirmed 8 days ago
Retailer 11
-
$4,634 AUD
View
Price last confirmed 8 days ago
Retailer 12
-
$5,462 AUD
View
Price last confirmed 9 days ago
Most Expensive
Wholesale Diamonds Direct
271989831 · Oct 26
$5,875 AUD
$4,036 USD
View
Price last confirmed 11 days ago
12 more retailers have this diamond
Prices start from $2,869 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
$2,869 AUD