Heart|Natural|GIA

0.51ct G SI2 Heart Natural Diamond

VG • G/SI2 • GIA 2536527442

Certificate GIA 2536527442

Diamond specifications and retailer prices

From €317 EUR
As of November 6, 2026
Save €686 EUR (68%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,668 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2536527442. Listed at 15 retailers as of November 4, 2026, with a 216% 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
G
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishGood
SymmetryGood
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2536527442
Dimensions4.87 × 5.18 × 3.40 mm
L/W Ratio1.06
Top View
4.87 mm5.18 mm0.51 ctG / SI2
OriginNatural
CutVery Good
PolishGood
SymmetryGood
FluorescenceStrong
CertificateGIA 2536527442
Side View
Table 57.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 65.7%

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: €1,668 EUR|Low: €317 EUR|High: €1,668 EUR|Avg: €610 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2€317 EUR
Retailer 10€435 EUR
Retailer 5€453 EUR
Retailer 9€468 EUR
Retailer 11€502 EUR
Retailer 4€517 EUR
Retailer 6€537 EUR
Retailer 3€545 EUR
Retailer 8€588 EUR
Retailer 7€1,003 EUR
NZ Jewellers€1,668 EUR

28 data points across 11 retailers

15 retailers€317 EUR to €1,003 EUR

A
Cheapest Retailer
-
€317 EUR
B+
Retailer 2
-
€366 EUR
View
B+
Retailer 3
-
€435 EUR
View
B+
Retailer 4
-
€453 EUR
View
B+
Retailer 5
-
€468 EUR
View
Retailer 6
-
€468 EUR
View
Price last confirmed 9 days ago
B+
Retailer 7
-
€502 EUR
View
B+
Retailer 8
-
€502 EUR
View
B+
Retailer 9
-
€517 EUR
View
B
Retailer 10
-
€537 EUR
View
B
Retailer 11
-
€545 EUR
View
B
Retailer 12
-
€551 EUR
View
B
Retailer 13
-
€588 EUR
View
C
Retailer 14
-
€1,003 EUR
View
Most Expensive
NZ Jewellers
688ba965-f74d-433b-ad69-e509baf7cabe · Nov 5
€1,668 EUR
$1,862 USD
View
Price under review
14 more retailers have this diamond
Prices start from €317 EURSave up to €686 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
€317 EUR