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Round|Natural|GIA

1.25ct F IF Round Natural Diamond

EX • F/IF • GIA 6555915729

Certificate GIA 6555915729

Diamond specifications and retailer prices

From $11,079 AUD
As of November 4, 2026
Save $10,625 AUD (49%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $22,427 AUD at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6555915729. Listed at 19 retailers as of November 4, 2026, with a 96% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555915729
Dimensions6.80 × 6.85 × 4.30 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Top View
6.80 mm6.85 mm1.25 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555915729
Side View
Table 56.0%Crown 35.5°Girdle: MED-SLIPavilion 40.8°CuletDepth 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 4
Current: $18,468 AUD|Low: $12,542 AUD|High: $20,008 AUD|Avg: $14,916 AUD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$12,542 AUD
Retailer 3$12,965 AUD
Retailer 6$13,079 AUD
Retailer 4$13,476 AUD
Retailer 10$13,898 AUD
Retailer 2$13,972 AUD
Retailer 9$13,974 AUD
Retailer 5$14,172 AUD
Retailer 8$15,885 AUD
Retailer 1$18,468 AUD
Retailer 7$19,718 AUD

39 data points across 11 retailers

19 retailers$11,079 AUD to $21,705 AUD

A
Cheapest Retailer
-
$11,079 AUD
A
Retailer 2
-
$12,542 AUD
View
A
Retailer 3
-
$12,965 AUD
View
A
Retailer 4
-
$13,079 AUD
View
A
Retailer 5
-
$13,476 AUD
View
Retailer 6
-
$13,898 AUD
View
Price last confirmed 15 days ago
B+
Retailer 7
-
$13,972 AUD
View
Final sale: no returns
Retailer 8
-
$13,974 AUD
View
Price last confirmed 25 days ago
Retailer 9
-
$13,974 AUD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$14,172 AUD
View
Retailer 11
-
$15,371 AUD
View
Price last confirmed 38 days ago
B+
Retailer 12
-
$15,885 AUD
View
Retailer 13
-
$16,092 AUD
View
Price last confirmed 50 days ago
Retailer 14
-
$17,466 AUD
View
Price last confirmed 33 days ago
B+
Retailer 15
-
$18,468 AUD
View
B+
Retailer 16
-
$19,718 AUD
View
Retailer 17
-
$21,099 AUD
View
Price last confirmed 34 days ago
B
Retailer 18
-
$21,705 AUD
View
Most Expensive
NZ Jewellers
a54bf205-d09b-4bd1-8dcc-30ff6e6c53d3 · Sep 21
$22,427 AUD
$15,700 USD
View
Price last confirmed 45 days ago
18 more retailers have this diamond
Prices start from $11,079 AUDSave up to $10,625 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
1.25ct Round
$11,079 AUD