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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 $1,129 NZD
As of November 5, 2026
Save $837 NZD (43%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,966 NZD 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 $1,129 to $1,966, a $837 spread on the same certified stone. Jared lists it at $1,966. 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: $1,966 NZD|Low: $877 NZD|High: $1,966 NZD|Avg: $1,310 NZD
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$877 NZD
Retailer 7$902 NZD
Retailer 13$902 NZD
Retailer 4$949 NZD
Retailer 12$958 NZD
Retailer 14$1,052 NZD
Retailer 2$1,129 NZD
Retailer 3$1,142 NZD
Retailer 15$1,209 NZD
Retailer 5$1,380 NZD
Retailer 16$1,407 NZD
Retailer 8$1,495 NZD
Retailer 9$1,773 NZD
Retailer 10$1,912 NZD
Retailer 11$1,912 NZD
Jared$1,966 NZD

6 data points across 16 retailers

5 retailers$1,129 NZD to $1,966 NZD

B+
Cheapest Retailer
-
$1,129 NZD
B
Retailer 2
-
$1,773 NZD
View
B
Retailer 3
-
$1,912 NZD
View
B
Retailer 4
-
$1,912 NZD
View
Most Expensive
B
Jared
158910601 · Nov 6
$1,966 NZD
$1,090 USD
View
4 more retailers have this diamond
Prices start from $1,129 NZDSave up to $837 NZD

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
$1,129 NZD