Heart|Natural|GIA

0.51ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 6541274914

Certificate GIA 6541274914

Diamond specifications and retailer prices

From €561 EUR
As of November 5, 2026
Save €416 EUR (43%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €976 EUR at Jared · As of November 6, 2026
View at Jared

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541274914. Listed at 5 retailers as of November 5, 2026, with prices from €561 to €976, a €416 spread on the same certified stone. Jared lists it at €976. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle38.8°
OriginNatural
Grading LabGIA
CertificateGIA 6541274914
Dimensions5.01 × 5.53 × 3.21 mm
L/W Ratio1.10
Top View
5.01 mm5.53 mm0.51 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541274914
Side View
Table 59.0%CrownGirdle: STK-THKPavilion 38.8°Culet: NoneDepth 58.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €976 EUR|Low: €435 EUR|High: €976 EUR|Avg: €650 EUR
Jared
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
November 5, 2026
Retailer 6€435 EUR
Retailer 7€448 EUR
Retailer 13€448 EUR
Retailer 4€471 EUR
Retailer 12€476 EUR
Retailer 14€522 EUR
Retailer 2€561 EUR
Retailer 3€567 EUR
Retailer 15€600 EUR
Retailer 5€685 EUR
Retailer 16€699 EUR
Retailer 8€743 EUR
Retailer 9€880 EUR
Retailer 10€949 EUR
Retailer 11€949 EUR
Jared€976 EUR

6 data points across 16 retailers

5 retailers€561 EUR to €976 EUR

B+
Cheapest Retailer
-
€561 EUR
B
Retailer 2
-
€880 EUR
View
B
Retailer 3
-
€949 EUR
View
B
Retailer 4
-
€949 EUR
View
Most Expensive
B
Jared
158910601 · Nov 6
€976 EUR
$1,090 USD
View
4 more retailers have this diamond
Prices start from €561 EURSave up to €416 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.

B+
0.51ct Heart
€561 EUR