Heart|Natural|GIA

0.51ct I IF Heart Natural Diamond

VG • I/IF • GIA 1517429668

Certificate GIA 1517429668

Diamond specifications and retailer prices

From $508 USD
As of November 6, 2026
Save $1,348 USD (73%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,856 USD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1517429668. Listed at 15 retailers as of November 5, 2026, with prices from $508 to $1,856, a $1,348 spread on the same certified stone. NZ Jewellers lists it at $1,856. 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
I
Color
IF
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1517429668
Dimensions5.47 × 4.51 × 2.83 mm
L/W Ratio1.21
Culet sizeNone
Key to symbols
Minor Details of Polish
Top View
5.47 mm4.51 mm0.51 ctI / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1517429668
Side View
Table 58.0%Crown 41.4°Girdle: MED-THKPavilion 41.8°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,856 USD|Low: $506 USD|High: $1,856 USD|Avg: $802 USD
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 6, 2026
Retailer 8$508 USD
Retailer 7$509 USD
Retailer 11$592 USD
Retailer 3$637 USD
Retailer 13$637 USD
Retailer 6$653 USD
Retailer 4$675 USD
Retailer 12$683 USD
Retailer 5$691 USD
Retailer 2$719 USD
Retailer 14$889 USD
Retailer 9$913 USD
Retailer 10$1,374 USD
NZ Jewellers$1,856 USD

44 data points across 14 retailers

15 retailers$508 USD to $1,856 USD

A
Cheapest Retailer
-
$508 USD
A
Retailer 2
-
$509 USD
View
A
Retailer 3
-
$530 USD
View
A
Retailer 4
-
$592 USD
View
A
Retailer 5
-
$637 USD
View
Retailer 6
-
$637 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$683 USD
View
A
Retailer 8
-
$691 USD
View
B+
Retailer 9
-
$719 USD
View
B+
Retailer 10
-
$723 USD
View
B+
Retailer 11
-
$785 USD
View
Retailer 12
-
$889 USD
View
Price last confirmed 34 days ago
B+
Retailer 13
-
$913 USD
View
Retailer 14
-
$1,374 USD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
6845900b-5105-44fc-8263-89c35c48b42e · Nov 5
$1,856 USD
View
14 more retailers have this diamond
Prices start from $508 USDSave up to $1,348 USD

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
0.51ct Heart
$508 USD