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Heart|Natural|GIA

1.51ct D VS1 Heart Natural Diamond

EX • D/VS1 • GIA 5221355318

Certificate GIA 5221355318

Diamond specifications and retailer prices

From $15,998 AUD
As of November 4, 2026
Save $12,741 AUD (44%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $28,738 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 D colour (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 5221355318. Listed at 20 retailers as of November 4, 2026, with prices from $15,998 to $28,738, a $12,741 spread on the same certified stone. NZ Jewellers lists it at $28,738. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5221355318
Dimensions6.69 × 7.79 × 4.64 mm
L/W Ratio1.16
Top View
6.69 mm7.79 mm1.51 ctD / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5221355318
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.5%

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: $18,475 AUD|Low: $14,947 AUD|High: $27,254 AUD|Avg: $19,527 AUD|+23.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4$15,625 AUD
Retailer 2$16,985 AUD
Retailer 11$17,244 AUD
Retailer 12$17,244 AUD
Retailer 3$17,386 AUD
Retailer 1$18,475 AUD
Retailer 7$18,763 AUD
Retailer 9$21,875 AUD
Retailer 10$21,875 AUD
Retailer 8$22,602 AUD
Retailer 5$25,157 AUD
Retailer 6$26,856 AUD

40 data points across 12 retailers

20 retailers$15,998 AUD to $28,738 AUD

B+
Cheapest Retailer
-
$15,998 AUD
B+
Retailer 2
-
$16,985 AUD
View
Retailer 3
-
$17,244 AUD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$17,244 AUD
View
Final sale: no returns
B+
Retailer 5
-
$17,386 AUD
View
B+
Retailer 6
-
$18,401 AUD
View
B+
Retailer 7
-
$18,475 AUD
View
B+
Retailer 8
-
$18,680 AUD
View
Retailer 9
-
$18,763 AUD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
$18,967 AUD
View
B+
Retailer 11
-
$19,064 AUD
View
B+
Retailer 12
-
$20,355 AUD
View
B+
Retailer 13
-
$20,547 AUD
View
B
Retailer 14
-
$21,554 AUD
View
B
Retailer 15
-
$21,875 AUD
View
B
Retailer 16
-
$21,875 AUD
View
B
Retailer 17
-
$22,602 AUD
View
B
Retailer 18
-
$25,157 AUD
View
B
Retailer 19
-
$26,856 AUD
View
Most Expensive
B
NZ Jewellers
9730a28b-1b27-4055-b9e6-acdd720ea9e2 · Nov 5
$28,738 AUD
$19,746 USD
View
19 more retailers have this diamond
Prices start from $15,998 AUDSave up to $12,741 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
$15,998 AUD