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Round|Natural|GIA

1.51ct F VS2 Round Natural Diamond

EX • F/VS2 • GIA 1555620178

Certificate GIA 1555620178

Diamond specifications and retailer prices

From $14,229 AUD
As of November 6, 2026
Save $12,774 AUD (47%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $27,003 AUD at NZ Jewellers · As of November 5, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1555620178. Listed at 28 retailers as of November 5, 2026, with prices from $14,229 to $27,003, a $12,774 spread on the same certified stone. NZ Jewellers lists it at $27,003. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555620178
Dimensions7.40 × 7.44 × 4.51 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural
Top View
7.40 mm7.44 mm1.51 ctF / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1555620178
Side View
Table 61.0%Crown 33°Girdle: THN-STKPavilion 41.8°Culet: NoneDepth 60.7%

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 6
Current: $19,820 AUD|Low: $15,637 AUD|High: $25,608 AUD|Avg: $19,710 AUD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$15,637 AUD
Retailer 3$17,121 AUD
Retailer 6$17,615 AUD
Retailer 4$19,367 AUD
Retailer 1$19,820 AUD
Retailer 2$23,639 AUD
Retailer 5$25,235 AUD

35 data points across 7 retailers

28 retailers$14,229 AUD to $27,003 AUD

A
Cheapest Retailer
-
$14,229 AUD
A
Retailer 2
-
$14,768 AUD
View
A
Retailer 3
-
$15,033 AUD
View
A
Retailer 4
-
$15,467 AUD
View
A
Retailer 5
-
$15,500 AUD
View
A
Retailer 6
-
$15,637 AUD
View
Final sale: no returns
B+
Retailer 7
-
$15,988 AUD
View
Retailer 8
-
$16,203 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$17,121 AUD
View
B+
Retailer 10
-
$17,444 AUD
View
B+
Retailer 11
-
$17,552 AUD
View
Retailer 12
-
$17,615 AUD
View
Price last confirmed 15 days ago
B+
Retailer 13
-
$17,823 AUD
View
B+
Retailer 14
-
$17,945 AUD
View
B+
Retailer 15
-
$18,737 AUD
View
B+
Retailer 16
-
$18,877 AUD
View
B+
Retailer 17
-
$18,877 AUD
View
Retailer 18
-
$19,283 AUD
View
Price last confirmed 20 days ago
B+
Retailer 19
-
$19,367 AUD
View
B+
Retailer 20
-
$19,517 AUD
View
B+
Retailer 21
-
$19,757 AUD
View
B+
Retailer 22
-
$19,820 AUD
View
B
Retailer 23
-
$20,159 AUD
View
B
Retailer 24
-
$20,253 AUD
View
Retailer 25
-
$21,314 AUD
View
Price last confirmed 15 days ago
B
Retailer 26
-
$23,639 AUD
View
B
Retailer 27
-
$25,235 AUD
View
Most Expensive
B
NZ Jewellers
283eb5c3-cf1e-45a9-a468-552a37deae32 · Nov 5
$27,003 AUD
$18,554 USD
View
27 more retailers have this diamond
Prices start from $14,229 AUDSave up to $12,774 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
$14,229 AUD