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Heart|Natural|GIA

1.51ct G VS1 Heart Natural Diamond

EX • G/VS1 • GIA 2546417580

Certificate GIA 2546417580

Diamond specifications and retailer prices

From $18,246 AUD
As of November 4, 2026
Save $11,449 AUD (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $29,696 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 G 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 2546417580. Listed at 14 retailers as of November 4, 2026, with prices from $18,246 to $29,696, a $11,449 spread on the same certified stone. NZ Jewellers lists it at $29,696. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546417580
Dimensions7.23 × 8.02 × 4.36 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.23 mm8.02 mm1.51 ctG / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546417580
Side View
Table 65.0%CrownGirdlePavilionCulet: NoneDepth 54.4%

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 4
Current: $29,696 AUD|Low: $18,028 AUD|High: $29,696 AUD|Avg: $22,143 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
Retailer 15
November 5, 2026
Retailer 13$18,246 AUD
Retailer 12$18,846 AUD
Retailer 11$19,122 AUD
Retailer 14$19,313 AUD
Retailer 2$19,530 AUD
Retailer 5$19,618 AUD
Retailer 7$20,765 AUD
Retailer 15$20,978 AUD
Retailer 4$21,306 AUD
Retailer 6$21,835 AUD
Retailer 3$22,125 AUD
Retailer 9$22,357 AUD
Retailer 10$26,174 AUD
Retailer 8$27,751 AUD
NZ Jewellers$29,696 AUD

42 data points across 15 retailers

14 retailers$18,246 AUD to $29,696 AUD

B+
Cheapest Retailer
-
$18,246 AUD
B
Retailer 2
-
$18,846 AUD
View
Final sale: no returns
Retailer 3
-
$19,122 AUD
View
Price last confirmed 13 days ago
B
Retailer 4
-
$19,313 AUD
View
B+
Retailer 5
-
$19,530 AUD
View
B
Retailer 6
-
$19,618 AUD
View
B
Retailer 7
-
$20,978 AUD
View
B
Retailer 8
-
$21,306 AUD
View
B
Retailer 9
-
$21,835 AUD
View
B
Retailer 10
-
$22,125 AUD
View
B
Retailer 11
-
$22,357 AUD
View
B
Retailer 12
-
$26,174 AUD
View
B
Retailer 13
-
$27,751 AUD
View
Most Expensive
B
NZ Jewellers
497e29d2-1b5d-4218-a05c-b587b4c1ad76 · Nov 5
$29,696 AUD
$20,788 USD
View
13 more retailers have this diamond
Prices start from $18,246 AUDSave up to $11,449 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
$18,246 AUD