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Heart|Natural|GIA

1.51ct I VS1 Heart Natural Diamond

ID • I/VS1 • GIA 6545615911

Certificate GIA 6545615911

Diamond specifications and retailer prices

From $7,233 AUD
As of November 6, 2026
Save $6,332 AUD (47%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $15,822 AUD at NZ Jewellers · As of September 28, 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 6545615911. Listed at 20 retailers as of November 4, 2026, with a 88% 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
VS1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6545615911
Dimensions6.68 × 7.92 × 4.80 mm
L/W Ratio1.19
Top View
6.68 mm7.92 mm1.51 ctI / VS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545615911
Side View
Table 58.0%Crown 37.4°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 60.6%

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: $15,443 AUD|Low: $7,233 AUD|High: $15,822 AUD|Avg: $9,877 AUD|-2.4%
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
Retailer 15
Retailer 16
Retailer 17
November 7, 2026
Retailer 9$7,233 AUD
Retailer 11$7,769 AUD
Retailer 8$8,053 AUD
Retailer 16$8,523 AUD
Retailer 14$8,587 AUD
Retailer 2$8,794 AUD
Retailer 15$9,127 AUD
Retailer 4$9,140 AUD
Retailer 3$9,233 AUD
Retailer 5$9,233 AUD
Retailer 13$9,233 AUD
Retailer 17$9,300 AUD
Retailer 7$9,463 AUD
Retailer 6$10,655 AUD
Retailer 10$11,266 AUD
Retailer 12$13,566 AUD
NZ Jewellers$15,443 AUD

44 data points across 17 retailers

20 retailers$7,233 AUD to $13,566 AUD

A
Cheapest Retailer
-
$7,233 AUD
A
Retailer 2
-
$7,769 AUD
View
A
Retailer 3
-
$8,053 AUD
View
A
Retailer 4
-
$8,523 AUD
View
Final sale: no returns
A
Retailer 5
-
$8,587 AUD
View
A
Retailer 6
-
$8,794 AUD
View
Retailer 7
-
$9,127 AUD
View
Price last confirmed 28 days ago
B+
Retailer 8
-
$9,140 AUD
View
Retailer 9
-
$9,233 AUD
View
Price last confirmed 13 days ago
Retailer 10
-
$9,233 AUD
View
Price last confirmed 13 days ago
Retailer 11
-
$9,233 AUD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
$9,300 AUD
View
Retailer 13
-
$9,460 AUD
View
Price last confirmed 40 days ago
B+
Retailer 14
-
$9,463 AUD
View
Retailer 15
-
$10,655 AUD
View
Price last confirmed 11 days ago
Retailer 16
-
$10,916 AUD
View
Price last confirmed 39 days ago
B+
Retailer 17
-
$11,266 AUD
View
B+
Retailer 18
-
$13,566 AUD
View
Retailer 19
-
$15,443 AUD
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
5247fb14-bb22-4700-9ca6-3e6c738a794b · Sep 28
$15,822 AUD
$10,871 USD
View
Price last confirmed 40 days ago
19 more retailers have this diamond
Prices start from $7,233 AUDSave up to $6,332 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 Heart
$7,233 AUD