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Round|Natural|GIA

1.25ct J IF Round Natural Diamond

EX • J/IF • GIA 1565759023

Certificate GIA 1565759023

Diamond specifications and retailer prices

From $5,494 AUD
As of November 5, 2026
Save $4,433 AUD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,927 AUD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

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 J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1565759023. Listed at 15 retailers as of November 5, 2026, with prices from $5,494 to $9,927, a $4,433 spread on the same certified stone. Helzberg Diamonds lists it at $9,927. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1565759023
Dimensions6.91 × 6.86 × 4.31 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.91 mm6.86 mm1.25 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565759023
Side View
Table 56.0%Crown 34°Girdle: THN-STKPavilion 41.4°Culet: NDepth 62.6%

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: $9,927 AUD|Low: $5,494 AUD|High: $9,927 AUD|Avg: $6,900 AUD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 15$5,494 AUD
Retailer 7$5,731 AUD
Retailer 4$5,737 AUD
Retailer 3$5,868 AUD
Retailer 6$6,049 AUD
Retailer 10$6,206 AUD
Retailer 14$6,651 AUD
Retailer 9$7,005 AUD
Retailer 5$7,047 AUD
Retailer 8$7,095 AUD
Retailer 11$7,273 AUD
Retailer 2$7,685 AUD
Retailer 13$9,344 AUD
Retailer 12$9,926 AUD
Helzberg Diamonds$9,927 AUD

8 data points across 15 retailers

15 retailers$5,494 AUD to $9,927 AUD

A
Cheapest Retailer
-
$5,494 AUD
A
Retailer 2
-
$5,731 AUD
View
A
Retailer 3
-
$5,737 AUD
View
A
Retailer 4
-
$5,868 AUD
View
A
Retailer 5
-
$6,049 AUD
View
A
Retailer 6
-
$6,206 AUD
View
B+
Retailer 7
-
$6,651 AUD
View
B+
Retailer 8
-
$7,005 AUD
View
B+
Retailer 9
-
$7,047 AUD
View
B+
Retailer 10
-
$7,095 AUD
View
B+
Retailer 11
-
$7,273 AUD
View
B+
Retailer 12
-
$7,685 AUD
View
B
Retailer 13
-
$9,344 AUD
View
B
Retailer 14
-
$9,926 AUD
View
Most Expensive
B
Helzberg Diamonds
XZRHLMLNLPGIJ · Nov 6
$9,927 AUD
$6,821 USD
View
14 more retailers have this diamond
Prices start from $5,494 AUDSave up to $4,433 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
$5,494 AUD