Heart|Natural|GIA

0.51ct F SI1 Heart Natural Diamond

GD • F/SI1 • GIA 2546919784

Certificate GIA 2546919784

Diamond specifications and retailer prices

From €413 EUR
As of November 6, 2026
Save €135 EUR (25%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €548 EUR at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2546919784. Listed at 5 retailers as of November 5, 2026, with prices from €413 to €548, a €135 spread on the same certified stone. Blue Nile lists it at €548. 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
F
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546919784
Dimensions4.95 × 5.41 × 3.21 mm
L/W Ratio1.09
Top View
4.95 mm5.41 mm0.51 ctF / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2546919784
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €548 EUR|Low: €376 EUR|High: €603 EUR|Avg: €482 EUR|-9.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 7, 2026
Retailer 3€413 EUR
Retailer 4€425 EUR
Retailer 5€462 EUR
Retailer 2€528 EUR
Blue Nile€548 EUR

41 data points across 5 retailers

5 retailers€413 EUR to €548 EUR

A
Cheapest Retailer
-
€413 EUR
A
Retailer 2
-
€425 EUR
View
Final sale: no returns
B+
Retailer 3
-
€462 EUR
View
B
Retailer 4
-
€528 EUR
View
Most Expensive
B
Blue Nile
28681148 · Nov 5
€548 EUR
$612 USD
View
4 more retailers have this diamond
Prices start from €413 EURSave up to €135 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
€413 EUR