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Round|Natural|GIA

1.15ct J IF Round Natural Diamond

EX • J/IF • GIA 6511504593

Certificate GIA 6511504593

Diamond specifications and retailer prices

From $3,744 AUD
HK$20,500 HKD
As of November 2, 2026
Save $4,577 AUD (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,412 AUD at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 1.15ct natural round diamond

This 1.15ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6511504593. Listed at 20 retailers as of November 2, 2026, with a 122% 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

1.15
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6511504593
Dimensions6.66 × 6.63 × 4.14 mm
L/W Ratio1.00
Top View
6.66 mm6.63 mm1.15 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6511504593
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.5%

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 2
Current: $8,321 AUD|Low: $3,708 AUD|High: $8,707 AUD|Avg: $5,124 AUD|-4.4%
Retailer 1
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
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 15$3,744 AUD
Retailer 2$3,921 AUD
Retailer 4$3,953 AUD
Retailer 7$3,974 AUD
Retailer 18$4,161 AUD
Retailer 9$4,216 AUD
Retailer 11$4,234 AUD
Retailer 13$4,381 AUD
Retailer 10$4,416 AUD
Retailer 16$4,458 AUD
Retailer 17$4,550 AUD
Retailer 5$4,716 AUD
Retailer 14$5,113 AUD
Retailer 3$5,411 AUD
Retailer 12$5,781 AUD
Retailer 6$6,178 AUD
Retailer 8$7,617 AUD
Retailer 1$8,321 AUD

19 data points across 18 retailers

20 retailers$3,744 AUD to $8,321 AUD

A
Cheapest Retailer
-
$3,744 AUD
HK$20,500 HKD
A
Retailer 2
-
$3,921 AUD
$2,748 USD
View
A
Retailer 3
-
$3,953 AUD
$2,770 USD
View
A
Retailer 4
-
$3,974 AUD
$2,785 USD
View
A
Retailer 5
-
$4,161 AUD
$2,916 USD
View
Final sale: no returns
A
Retailer 6
-
$4,216 AUD
$2,955 USD
View
A
Retailer 7
-
$4,234 AUD
$2,967 USD
View
A
Retailer 8
-
$4,381 AUD
$3,070 USD
View
A
Retailer 9
-
$4,416 AUD
$3,095 USD
View
A
Retailer 10
-
$4,458 AUD
£2,460 GBP
View
A
Retailer 11
-
$4,550 AUD
$3,189 USD
View
A
Retailer 12
-
$4,716 AUD
£2,603 GBP
View
B+
Retailer 13
-
$5,113 AUD
$3,583 USD
View
B+
Retailer 14
-
$5,411 AUD
$3,792 USD
View
Retailer 15
-
$5,598 AUD
View
Price last confirmed 25 days ago
B+
Retailer 16
-
$5,781 AUD
£3,190 GBP
View
B+
Retailer 17
-
$6,178 AUD
ZAR 69,944 ZAR
View
B
Retailer 18
-
$7,617 AUD
$5,338 USD
View
B
Retailer 19
-
$8,321 AUD
£4,592 GBP
View
Most Expensive
NZ Jewellers
0801866a-84dc-4d32-80bb-ba204582387a · Sep 25
$9,412 AUD
$6,596 USD
View
Price last confirmed 38 days ago
19 more retailers have this diamond
Prices start from $3,744 AUDSave up to $4,577 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
1.15ct Round
$3,744 AUD