Heart|Natural|GIA

0.51ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 6541274914

Certificate GIA 6541274914

Diamond specifications and retailer prices

From $626 USD
As of November 5, 2026
Save $464 USD (43%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,090 USD 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 $626 to $1,090, a $464 spread on the same certified stone. Jared lists it at $1,090. 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
Color
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: $1,090 USD|Low: $486 USD|High: $1,090 USD|Avg: $726 USD
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$486 USD
Retailer 7$500 USD
Retailer 13$500 USD
Retailer 4$526 USD
Retailer 12$531 USD
Retailer 14$583 USD
Retailer 2$626 USD
Retailer 3$633 USD
Retailer 15$670 USD
Retailer 5$765 USD
Retailer 16$780 USD
Retailer 8$829 USD
Retailer 9$983 USD
Retailer 10$1,060 USD
Retailer 11$1,060 USD
Jared$1,090 USD

6 data points across 16 retailers

5 retailers$626 USD to $1,090 USD

B+
Cheapest Retailer
-
$626 USD
B
Retailer 2
-
$983 USD
View
B
Retailer 3
-
$1,060 USD
View
B
Retailer 4
-
$1,060 USD
View
Most Expensive
B
Jared
158910601 · Nov 6
$1,090 USD
View
4 more retailers have this diamond
Prices start from $626 USDSave up to $464 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.

B+
0.51ct Heart
$626 USD