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Heart|Natural|GIA

1.51ct I VS1 Heart Natural Diamond

EX • I/VS1 • GIA 2554825390

Certificate GIA 2554825390

Diamond specifications and retailer prices

From $10,872 AUD
As of November 6, 2026
Save $8,827 AUD (45%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $19,699 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554825390. Listed at 16 retailers as of November 5, 2026, with prices from $10,872 to $19,699, a $8,827 spread on the same certified stone. NZ Jewellers lists it at $19,699. 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
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554825390
Dimensions7.91 × 6.80 × 4.65 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Needle
Top View
7.91 mm6.80 mm1.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554825390
Side View
Table 56.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 58.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $19,699 AUD|Low: $9,545 AUD|High: $19,699 AUD|Avg: $12,762 AUD
NZ Jewellers
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
November 7, 2026
Retailer 14$9,571 AUD
Retailer 6$10,872 AUD
Retailer 7$10,882 AUD
Retailer 2$11,029 AUD
Retailer 4$11,148 AUD
Retailer 3$11,285 AUD
Retailer 13$11,779 AUD
Retailer 5$11,911 AUD
Retailer 11$11,959 AUD
Retailer 8$12,797 AUD
Retailer 12$13,591 AUD
Retailer 9$14,369 AUD
Retailer 10$16,370 AUD
NZ Jewellers$19,699 AUD

34 data points across 14 retailers

16 retailers$10,872 AUD to $19,699 AUD

Retailer 1
-
$9,571 AUD
Price last confirmed 13 days ago
B+
Retailer 2
-
$10,872 AUD
View
Final sale: no returns
B+
Retailer 3
-
$10,882 AUD
View
B+
Retailer 4
-
$11,029 AUD
View
B+
Retailer 5
-
$11,148 AUD
View
Retailer 6
-
$11,285 AUD
View
Price last confirmed 16 days ago
B
Retailer 7
-
$11,779 AUD
View
B+
Retailer 8
-
$11,911 AUD
View
B+
Retailer 9
-
$11,959 AUD
View
B+
Retailer 10
-
$12,730 AUD
View
B+
Retailer 11
-
$12,797 AUD
View
B
Retailer 12
-
$13,591 AUD
View
B
Retailer 13
-
$13,591 AUD
View
B
Retailer 14
-
$14,369 AUD
View
B
Retailer 15
-
$16,370 AUD
View
Most Expensive
B
NZ Jewellers
068e0f01-cd02-46cb-8dcc-4119b48d266e · Nov 5
$19,699 AUD
$13,535 USD
View
15 more retailers have this diamond
Prices start from $10,872 AUDSave up to $8,827 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.

B+
1.51ct Heart
$10,872 AUD