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Heart|Natural|GIA

0.51ct D VVS1 Heart Natural Diamond

VG • D/VVS1 • GIA 6425780681

Certificate GIA 6425780681

Diamond specifications and retailer prices

From $1,834 AUD
$1,288 USD
As of November 2, 2026
Save $1,826 AUD (50%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,847 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6425780681. Listed at 16 retailers as of October 29, 2026, with a 100% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
D
Colour
VVS1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6425780681
Dimensions5.57 × 5.27 × 2.93 mm
L/W Ratio1.06
Top View
5.57 mm5.27 mm0.51 ctD / VVS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6425780681
Side View
Table 61.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 55.6%

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 2
Current: $4,847 AUD|Low: $1,681 AUD|High: $4,847 AUD|Avg: $2,594 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
Retailer 16
Retailer 17
October 31, 2026
Retailer 13$1,834 AUD
Retailer 8$1,842 AUD
Retailer 3$1,987 AUD
Retailer 7$1,987 AUD
Retailer 15$2,078 AUD
Retailer 5$2,135 AUD
Retailer 17$2,147 AUD
Retailer 9$2,180 AUD
Retailer 4$2,293 AUD
Retailer 16$2,469 AUD
Retailer 14$2,593 AUD
Retailer 2$2,770 AUD
Retailer 12$2,816 AUD
Retailer 11$3,060 AUD
Retailer 6$3,580 AUD
Retailer 10$3,659 AUD
NZ Jewellers$4,847 AUD

34 data points across 17 retailers

16 retailers$1,834 AUD to $3,659 AUD

B+
Cheapest Retailer
-
$1,834 AUD
$1,288 USD
Final sale: no returns
B+
Retailer 2
-
$1,842 AUD
$1,294 USD
View
B+
Retailer 3
-
$1,987 AUD
$1,396 USD
View
B+
Retailer 4
-
$2,078 AUD
$1,460 USD
View
B+
Retailer 5
-
$2,135 AUD
$1,500 USD
View
B
Retailer 6
-
$2,147 AUD
$1,508 USD
View
B
Retailer 7
-
$2,180 AUD
$1,531 USD
View
B
Retailer 8
-
$2,293 AUD
$1,611 USD
View
Retailer 9
-
$2,469 AUD
£1,366 GBP
View
Price last confirmed 33 days ago
Retailer 10
-
$2,593 AUD
View
Price last confirmed 27 days ago
B
Retailer 11
-
$2,770 AUD
€1,853 EUR
View
Retailer 12
-
$2,816 AUD
£1,557 GBP
View
Price last confirmed 10 days ago
B
Retailer 13
-
$3,060 AUD
ZAR 34,728 ZAR
View
B
Retailer 14
-
$3,580 AUD
£1,980 GBP
View
B
Retailer 15
-
$3,659 AUD
£2,024 GBP
View
Most Expensive
NZ Jewellers
7455762d-a825-4d04-9dc2-ba1fbf66b63c · Oct 30
$4,847 AUD
$3,405 USD
View
Price under review
15 more retailers have this diamond
Prices start from $1,834 AUDSave up to $1,826 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+
0.51ct Heart
$1,834 AUD