CaratHunter
Plans
Round|Natural|GIA

1.51ct F VS1 Round Natural Diamond

EX • F/VS1 • GIA 2554655147

Certificate GIA 2554655147

Diamond specifications and retailer prices

From $11,455 AUD
As of November 5, 2026
Save $8,194 AUD (42%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $21,025 AUD at NZ Jewellers · As of September 28, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2554655147. Listed at 23 retailers as of November 4, 2026, with a 72% 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
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2554655147
Dimensions7.29 × 4.51 × 4.51 mm
L/W Ratio1.62
Culet sizeNone
Top View
7.29 mm4.51 mm1.51 ctF / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2554655147
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.7%

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: $13,564 AUD|Low: $10,017 AUD|High: $19,939 AUD|Avg: $14,398 AUD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9$12,019 AUD
Retailer 2$12,179 AUD
Retailer 4$12,521 AUD
Retailer 12$12,615 AUD
Retailer 1$13,564 AUD
Retailer 8$13,859 AUD
Retailer 11$14,024 AUD
Retailer 3$14,208 AUD
Retailer 6$14,999 AUD
Retailer 10$15,316 AUD
Retailer 5$18,403 AUD
Retailer 7$19,649 AUD

41 data points across 12 retailers

23 retailers$11,455 AUD to $19,649 AUD

A
Cheapest Retailer
-
$11,455 AUD
A
Retailer 2
-
$11,811 AUD
View
A
Retailer 3
-
$12,019 AUD
View
A
Retailer 4
-
$12,171 AUD
View
A
Retailer 5
-
$12,179 AUD
View
A
Retailer 6
-
$12,521 AUD
View
Retailer 7
-
$12,615 AUD
View
Price last confirmed 25 days ago
A
Retailer 8
-
$12,615 AUD
View
Final sale: no returns
A
Retailer 9
-
$13,564 AUD
View
Retailer 10
-
$13,666 AUD
View
Price last confirmed 29 days ago
Retailer 11
-
$13,745 AUD
View
Price last confirmed 23 days ago
Retailer 12
-
$13,859 AUD
View
Price last confirmed 14 days ago
Retailer 13
-
$13,876 AUD
View
Price last confirmed 38 days ago
A
Retailer 14
-
$14,024 AUD
View
A
Retailer 15
-
$14,114 AUD
View
A
Retailer 16
-
$14,208 AUD
View
A
Retailer 17
-
$14,999 AUD
View
B+
Retailer 18
-
$15,062 AUD
View
B+
Retailer 19
-
$15,316 AUD
View
Retailer 20
-
$15,769 AUD
View
Price last confirmed 28 days ago
B+
Retailer 21
-
$18,403 AUD
View
B+
Retailer 22
-
$19,649 AUD
View
Most Expensive
NZ Jewellers
2982d2e6-19e9-4405-8b63-34d643c4d098 · Sep 28
$21,025 AUD
$14,718 USD
View
Price last confirmed 38 days ago
22 more retailers have this diamond
Prices start from $11,455 AUDSave up to $8,194 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
$11,455 AUD