Heart|Natural|GIA

0.51ct I IF Heart Natural Diamond

VG • I/IF • GIA 1517429668

Certificate GIA 1517429668

Diamond specifications and retailer prices

From €455 EUR
As of November 6, 2026
Save €1,207 EUR (73%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,662 EUR 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 €455 to €1,662, a €1,207 spread on the same certified stone. NZ Jewellers lists it at €1,662. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €1,662 EUR|Low: €453 EUR|High: €1,662 EUR|Avg: €730 EUR
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
November 7, 2026
Retailer 8€455 EUR
Retailer 7€456 EUR
Retailer 10€530 EUR
Retailer 3€571 EUR
Retailer 12€571 EUR
Retailer 4€605 EUR
Retailer 11€612 EUR
Retailer 5€619 EUR
Retailer 6€644 EUR
Retailer 13€796 EUR
Retailer 9€818 EUR
Retailer 2€1,216 EUR
NZ Jewellers€1,662 EUR

45 data points across 13 retailers

15 retailers€455 EUR to €1,662 EUR

A
Cheapest Retailer
-
€455 EUR
A
Retailer 2
-
€456 EUR
View
A
Retailer 3
-
€475 EUR
View
A
Retailer 4
-
€530 EUR
View
A
Retailer 5
-
€571 EUR
View
Retailer 6
-
€571 EUR
View
Price last confirmed 9 days ago
A
Retailer 7
-
€612 EUR
View
A
Retailer 8
-
€619 EUR
View
B+
Retailer 9
-
€644 EUR
View
B+
Retailer 10
-
€648 EUR
View
B+
Retailer 11
-
€703 EUR
View
Retailer 12
-
€796 EUR
View
Price last confirmed 34 days ago
B+
Retailer 13
-
€818 EUR
View
Retailer 14
-
€1,216 EUR
View
Most Expensive
B
NZ Jewellers
6845900b-5105-44fc-8263-89c35c48b42e · Nov 5
€1,662 EUR
$1,856 USD
View
14 more retailers have this diamond
Prices start from €455 EURSave up to €1,207 EUR

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
€455 EUR