Round|Natural|GIA

1.28ct I IF Round Natural Diamond

EX • I/IF • GIA 2484732356

Certificate GIA 2484732356

Diamond specifications and retailer prices

From $5,366 AUD
As of November 6, 2026
Save $7,126 AUD (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $12,492 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 2484732356. Listed at 23 retailers as of November 5, 2026, with prices from $5,366 to $12,492, a $7,126 spread on the same certified stone. NZ Jewellers lists it at $12,492. 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
FluorescenceStrong
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2484732356
Dimensions6.99 × 6.95 × 4.33 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.99 mm6.95 mm1.28 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2484732356
Side View
Table 57.0%Crown 35.5°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,366 AUD|Low: $5,366 AUD|High: $12,039 AUD|Avg: $7,633 AUD|-2.9%
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 1$5,366 AUD
Retailer 10$5,439 AUD
Retailer 2$6,514 AUD
Retailer 4$6,654 AUD
Retailer 11$6,893 AUD
Retailer 5$7,335 AUD
Retailer 3$7,529 AUD
Retailer 9$7,655 AUD
Retailer 7$8,216 AUD
Retailer 6$9,112 AUD
Retailer 8$11,864 AUD

29 data points across 11 retailers

23 retailers$5,366 AUD to $12,492 AUD

A
Cheapest Retailer
-
$5,366 AUD
A
Retailer 2
-
$5,439 AUD
View
A
Retailer 3
-
$6,331 AUD
View
A
Retailer 4
-
$6,514 AUD
View
A
Retailer 5
-
$6,654 AUD
View
A
Retailer 6
-
$6,893 AUD
View
Final sale: no returns
Retailer 7
-
$6,918 AUD
View
Price last confirmed 12 days ago
Retailer 8
-
$6,931 AUD
View
Price last confirmed 110 days ago
A
Retailer 9
-
$7,015 AUD
View
A
Retailer 10
-
$7,335 AUD
View
A
Retailer 11
-
$7,469 AUD
View
Retailer 12
-
$7,469 AUD
View
Price last confirmed 9 days ago
A
Retailer 13
-
$7,469 AUD
View
Retailer 14
-
$7,529 AUD
View
Price last confirmed 29 days ago
A
Retailer 15
-
$7,655 AUD
View
A
Retailer 16
-
$7,682 AUD
View
A
Retailer 17
-
$7,781 AUD
View
A
Retailer 18
-
$8,216 AUD
View
B+
Retailer 19
-
$8,619 AUD
View
B+
Retailer 20
-
$9,112 AUD
View
B
Retailer 21
-
$11,572 AUD
View
B+
Retailer 22
-
$11,864 AUD
View
Most Expensive
B
NZ Jewellers
fcc37136-4708-483d-b1cf-bdb7f099f5f6 · Nov 5
$12,492 AUD
$8,583 USD
View
22 more retailers have this diamond
Prices start from $5,366 AUDSave up to $7,126 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
$5,366 AUD