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Round|Natural|GIA

1.25ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 5556732771

Certificate GIA 5556732771

Diamond specifications and retailer prices

From $5,286 AUD
As of November 6, 2026
Save $4,840 AUD (48%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,126 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5556732771. Listed at 12 retailers as of November 6, 2026, with prices from $5,286 to $10,126, a $4,840 spread on the same certified stone. Wholesale Diamonds Direct lists it at $10,126. 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

1.25
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5556732771
Dimensions6.89 × 6.95 × 4.18 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.89 mm6.95 mm1.25 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556732771
Side View
Table 61.0%CrownGirdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.3%

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 6
Current: $7,018 AUD|Low: $3,967 AUD|High: $10,126 AUD|Avg: $6,840 AUD|-0.7%
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 6, 2026
Retailer 11$3,967 AUD
Retailer 2$4,868 AUD
Retailer 3$5,286 AUD
Retailer 4$5,618 AUD
Retailer 10$5,718 AUD
Retailer 1$7,018 AUD
Retailer 7$7,306 AUD
Retailer 9$7,306 AUD
Retailer 6$7,402 AUD
Retailer 8$7,554 AUD
Retailer 5$7,919 AUD
Retailer 12$9,079 AUD
Wholesale Diamonds Direct$10,126 AUD

30 data points across 13 retailers

12 retailers$5,286 AUD to $10,126 AUD

Retailer 1
-
$3,967 AUD
Price last confirmed 43 days ago
A
Retailer 2
-
$5,286 AUD
View
Retailer 3
-
$5,421 AUD
View
Price last confirmed 51 days ago
A
Retailer 4
-
$5,718 AUD
View
B+
Retailer 5
-
$7,018 AUD
View
B+
Retailer 6
-
$7,306 AUD
View
B+
Retailer 7
-
$7,306 AUD
View
B+
Retailer 8
-
$7,402 AUD
View
B+
Retailer 9
-
$7,554 AUD
View
B+
Retailer 10
-
$7,919 AUD
View
Retailer 11
-
$9,444 AUD
View
Price last confirmed 49 days ago
Most Expensive
B
Wholesale Diamonds Direct
476589097 · Nov 6
$10,126 AUD
$6,957 USD
View
11 more retailers have this diamond
Prices start from $5,286 AUDSave up to $4,840 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
$5,286 AUD