CaratHunter
Plans
Round|Natural|GIA

1.51ct I IF Round Natural Diamond

EX • I/IF • GIA 2546456312

Certificate GIA 2546456312

Diamond specifications and retailer prices

From $9,160 AUD
As of November 4, 2026
Save $7,627 AUD (45%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $21,263 AUD at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2546456312. Listed at 23 retailers as of November 2, 2026, with a 83% 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

1.51
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2546456312
Dimensions7.29 × 7.34 × 4.55 mm
L/W Ratio1.01
Top View
7.29 mm7.34 mm1.51 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2546456312
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°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: $12,134 AUD|Low: $9,051 AUD|High: $17,156 AUD|Avg: $11,686 AUD|+0.6%
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
Retailer 19
Retailer 20
Retailer 21
November 5, 2026
Retailer 12$9,160 AUD
Retailer 17$9,424 AUD
Retailer 14$9,838 AUD
Retailer 21$10,071 AUD
Retailer 8$10,072 AUD
Retailer 16$10,174 AUD
Retailer 13$10,278 AUD
Retailer 3$10,529 AUD
Retailer 7$10,699 AUD
Retailer 4$10,885 AUD
Retailer 15$11,184 AUD
Retailer 5$11,551 AUD
Retailer 11$11,621 AUD
Retailer 6$11,988 AUD
Retailer 20$12,125 AUD
Retailer 1$12,134 AUD
Retailer 9$13,039 AUD
Retailer 18$13,106 AUD
Retailer 19$13,139 AUD
Retailer 10$14,635 AUD
Retailer 2$16,786 AUD

20 data points across 21 retailers

23 retailers$9,160 AUD to $16,786 AUD

A
Cheapest Retailer
-
$9,160 AUD
A
Retailer 2
-
$9,424 AUD
View
A
Retailer 3
-
$9,838 AUD
View
A
Retailer 4
-
$10,071 AUD
View
A
Retailer 5
-
$10,072 AUD
View
Final sale: no returns
A
Retailer 6
-
$10,174 AUD
View
A
Retailer 7
-
$10,278 AUD
View
A
Retailer 8
-
$10,529 AUD
View
A
Retailer 9
-
$10,699 AUD
View
A
Retailer 10
-
$10,885 AUD
View
A
Retailer 11
-
$11,184 AUD
View
A
Retailer 12
-
$11,551 AUD
View
Retailer 13
-
$11,617 AUD
View
Price last confirmed 16 days ago
Retailer 14
-
$11,621 AUD
View
Price last confirmed 15 days ago
A
Retailer 15
-
$11,988 AUD
View
A
Retailer 16
-
$12,125 AUD
View
A
Retailer 17
-
$12,134 AUD
View
A
Retailer 18
-
$13,039 AUD
View
A
Retailer 19
-
$13,106 AUD
View
A
Retailer 20
-
$13,139 AUD
View
B+
Retailer 21
-
$14,635 AUD
View
B+
Retailer 22
-
$16,786 AUD
View
Most Expensive
NZ Jewellers
5a35f62e-a9c3-47b5-8910-b49afe115438 · Sep 25
$21,263 AUD
$14,885 USD
View
Price last confirmed 41 days ago
22 more retailers have this diamond
Prices start from $9,160 AUDSave up to $7,627 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
1.51ct Round
$9,160 AUD