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Round|Natural|GIA

1.28ct I IF Round Natural Diamond

EX • I/IF • GIA 5566053988

Certificate GIA 5566053988

Diamond specifications and retailer prices

From $5,792 AUD
As of November 4, 2026
Save $7,289 AUD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $13,081 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.28ct natural round diamond

This 1.28ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5566053988. Listed at 24 retailers as of November 4, 2026, with prices from $5,792 to $13,081, a $7,289 spread on the same certified stone. NZ Jewellers lists it at $13,081. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5566053988
Dimensions6.88 × 6.94 × 4.30 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.88 mm6.94 mm1.28 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566053988
Side View
Table 55.0%Crown 34.5°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.2%

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: $13,081 AUD|Low: $5,737 AUD|High: $13,081 AUD|Avg: $7,613 AUD
NZ Jewellers
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 5$5,792 AUD
Retailer 2$6,101 AUD
Retailer 8$6,887 AUD
Retailer 13$6,967 AUD
Retailer 6$7,078 AUD
Retailer 15$7,163 AUD
Retailer 3$7,219 AUD
Retailer 18$7,341 AUD
Retailer 7$7,351 AUD
Retailer 14$7,543 AUD
Retailer 4$7,821 AUD
Retailer 21$7,821 AUD
Retailer 11$8,108 AUD
Retailer 10$8,265 AUD
Retailer 17$8,539 AUD
Retailer 20$8,794 AUD
Retailer 16$9,023 AUD
Retailer 19$9,115 AUD
Retailer 9$9,530 AUD
Retailer 12$11,243 AUD
Retailer 22$12,422 AUD
NZ Jewellers$13,081 AUD

45 data points across 22 retailers

24 retailers$5,792 AUD to $13,081 AUD

A
Cheapest Retailer
-
$5,792 AUD
A
Retailer 2
-
$6,101 AUD
View
A
Retailer 3
-
$6,789 AUD
View
Retailer 4
-
$6,887 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$6,967 AUD
View
Retailer 6
-
$7,078 AUD
View
Price last confirmed 8 days ago
Retailer 7
-
$7,163 AUD
View
Price last confirmed 24 days ago
A
Retailer 8
-
$7,219 AUD
View
Final sale: no returns
A
Retailer 9
-
$7,341 AUD
View
Retailer 10
-
$7,351 AUD
View
Price last confirmed 8 days ago
Retailer 11
-
$7,543 AUD
View
Price last confirmed 10 days ago
A
Retailer 12
-
$7,773 AUD
View
A
Retailer 13
-
$7,821 AUD
View
A
Retailer 14
-
$7,821 AUD
View
A
Retailer 15
-
$8,108 AUD
View
Retailer 16
-
$8,265 AUD
View
Price last confirmed 9 days ago
A
Retailer 17
-
$8,539 AUD
View
A
Retailer 18
-
$8,794 AUD
View
B+
Retailer 19
-
$9,023 AUD
View
B+
Retailer 20
-
$9,115 AUD
View
Retailer 21
-
$9,530 AUD
View
Price last confirmed 16 days ago
B+
Retailer 22
-
$11,243 AUD
View
B+
Retailer 23
-
$12,422 AUD
View
Most Expensive
B
NZ Jewellers
21ab1a27-7ad4-45fa-b7bf-31222146f5e3 · Nov 5
$13,081 AUD
$8,988 USD
View
23 more retailers have this diamond
Prices start from $5,792 AUDSave up to $7,289 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
1.28ct Round
$5,792 AUD