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Round|Natural|GIA

1.51ct F VS1 Round Natural Diamond

EX • F/VS1 • GIA 6545852603

Certificate GIA 6545852603

Diamond specifications and retailer prices

From $14,645 AUD
As of November 4, 2026
Save $11,491 AUD (44%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $27,967 AUD at NZ Jewellers · As of September 15, 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 6545852603. Listed at 24 retailers as of November 4, 2026, with a 78% 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
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6545852603
Dimensions7.27 × 7.33 × 4.52 mm
L/W Ratio1.01
Top View
7.27 mm7.33 mm1.51 ctF / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545852603
Side View
Table 58.0%CrownGirdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.9%

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: $24,482 AUD|Low: $14,389 AUD|High: $26,523 AUD|Avg: $18,222 AUD|+1.2%
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 6, 2026
Retailer 16$14,645 AUD
Retailer 9$15,079 AUD
Retailer 2$15,306 AUD
Retailer 6$15,324 AUD
Retailer 14$15,932 AUD
Retailer 4$16,109 AUD
Retailer 18$16,535 AUD
Retailer 15$16,591 AUD
Retailer 3$16,781 AUD
Retailer 11$17,742 AUD
Retailer 10$17,868 AUD
Retailer 8$18,113 AUD
Retailer 5$19,830 AUD
Retailer 7$20,480 AUD
Retailer 12$20,773 AUD
Retailer 17$21,713 AUD
Retailer 1$24,482 AUD
Retailer 13$26,136 AUD

34 data points across 18 retailers

24 retailers$14,645 AUD to $26,136 AUD

A
Cheapest Retailer
-
$14,645 AUD
A
Retailer 2
-
$15,306 AUD
View
A
Retailer 3
-
$15,324 AUD
View
A
Retailer 4
-
$15,932 AUD
View
B+
Retailer 5
-
$16,109 AUD
View
Retailer 6
-
$16,493 AUD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
$16,535 AUD
View
B+
Retailer 8
-
$16,591 AUD
View
B+
Retailer 9
-
$16,781 AUD
View
Final sale: no returns
B+
Retailer 10
-
$17,742 AUD
View
Retailer 11
-
$17,868 AUD
View
Price last confirmed 17 days ago
Retailer 12
-
$18,113 AUD
View
Price last confirmed 33 days ago
Retailer 13
-
$18,143 AUD
View
Price last confirmed 22 days ago
Retailer 14
-
$18,179 AUD
View
Price last confirmed 53 days ago
B+
Retailer 15
-
$19,830 AUD
View
B+
Retailer 16
-
$20,480 AUD
View
Retailer 17
-
$20,616 AUD
View
Price last confirmed 19 days ago
B
Retailer 18
-
$20,773 AUD
View
Retailer 19
-
$20,976 AUD
View
Price last confirmed 53 days ago
B+
Retailer 20
-
$21,713 AUD
View
B
Retailer 21
-
$24,482 AUD
View
B
Retailer 22
-
$26,136 AUD
View
Retailer 23
-
$27,489 AUD
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
1c33179c-baf1-4541-9e7d-e89d6b9637e8 · Sep 15
$27,967 AUD
$19,578 USD
View
Price last confirmed 51 days ago
23 more retailers have this diamond
Prices start from $14,645 AUDSave up to $11,491 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
$14,645 AUD