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Heart|Natural|GIA

0.51ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 6541274914

Certificate GIA 6541274914

Diamond specifications and retailer prices

From $802 SGD
As of November 5, 2026
Save $595 SGD (43%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,397 SGD 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 $802 to $1,397, a $595 spread on the same certified stone. Jared lists it at $1,397. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,397 SGD|Low: $623 SGD|High: $1,397 SGD|Avg: $931 SGD
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$623 SGD
Retailer 7$641 SGD
Retailer 13$641 SGD
Retailer 4$674 SGD
Retailer 12$681 SGD
Retailer 14$747 SGD
Retailer 2$802 SGD
Retailer 3$811 SGD
Retailer 15$859 SGD
Retailer 5$980 SGD
Retailer 16$1,000 SGD
Retailer 8$1,062 SGD
Retailer 9$1,260 SGD
Retailer 10$1,358 SGD
Retailer 11$1,358 SGD
Jared$1,397 SGD

6 data points across 16 retailers

5 retailers$802 SGD to $1,397 SGD

B+
Cheapest Retailer
-
$802 SGD
B
Retailer 2
-
$1,260 SGD
View
B
Retailer 3
-
$1,358 SGD
View
B
Retailer 4
-
$1,358 SGD
View
Most Expensive
B
Jared
158910601 · Nov 6
$1,397 SGD
$1,090 USD
View
4 more retailers have this diamond
Prices start from $802 SGDSave up to $595 SGD

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
$802 SGD