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Round|Natural|GIA

1.29ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1246023151

Certificate GIA 1246023151

Diamond specifications and retailer prices

From $6,040 AUD
$4,233 USD
As of October 29, 2026
Save $4,239 AUD (41%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,902 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1246023151. Listed at 11 retailers as of October 29, 2026, with a 70% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1246023151
Dimensions6.90 × 4.35 × 4.35 mm
L/W Ratio1.59
Culet sizeNone
Top View
6.90 mm4.35 mm1.29 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246023151
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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: Oct 29
Current: $7,937 AUD|Low: $6,040 AUD|High: $11,450 AUD|Avg: $8,003 AUD|-3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 30, 2026
Retailer 7$6,040 AUD
Retailer 9$6,210 AUD
Retailer 6$6,457 AUD
Retailer 2$6,653 AUD
Retailer 4$6,894 AUD
Retailer 10$7,675 AUD
Retailer 3$7,902 AUD
Retailer 1$7,937 AUD
Retailer 5$8,457 AUD
Retailer 8$10,279 AUD
Wholesale Diamonds Direct$10,902 AUD

32 data points across 11 retailers

11 retailers$6,040 AUD to $10,279 AUD

A
Cheapest Retailer
-
$6,040 AUD
$4,233 USD
A
Retailer 2
-
$6,210 AUD
SGD 5,881 SGD
View
A
Retailer 3
-
$6,457 AUD
$4,525 USD
View
A
Retailer 4
-
$6,653 AUD
SGD 6,301 SGD
View
B+
Retailer 5
-
$6,894 AUD
£3,804 GBP
View
B+
Retailer 6
-
$7,675 AUD
$5,379 USD
View
B+
Retailer 7
-
$7,902 AUD
€5,274 EUR
View
B+
Retailer 8
-
$7,937 AUD
£4,380 GBP
View
B+
Retailer 9
-
$8,457 AUD
$5,927 USD
View
B
Retailer 10
-
$10,279 AUD
$7,204 USD
View
Most Expensive
Wholesale Diamonds Direct
594396961 · Oct 26
$10,902 AUD
$7,640 USD
View
Price last confirmed 7 days ago
10 more retailers have this diamond
Prices start from $6,040 AUDSave up to $4,239 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
$6,040 AUD