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Heart|Natural|GIA

0.51ct E SI1 Heart Natural Diamond

ID • E/SI1 • GIA 1518624145

Certificate GIA 1518624145

Diamond specifications and retailer prices

From $799 CAD
As of November 6, 2026
Save $1,913 CAD (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,712 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1518624145. Listed at 15 retailers as of November 5, 2026, with prices from $799 to $2,712, a $1,913 spread on the same certified stone. NZ Jewellers lists it at $2,712. 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
E
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1518624145
Dimensions4.64 × 5.47 × 3.24 mm
L/W Ratio1.18
Girdle conditionFaceted
Key to symbols
Twinning Wisp, Crystal
Top View
4.64 mm5.47 mm0.51 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1518624145
Side View
Table 59.0%CrownGirdle: STK-EXTPavilionCulet: NoneDepth 59.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,712 CAD|Low: $799 CAD|High: $2,712 CAD|Avg: $1,258 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 13$799 CAD
Retailer 3$865 CAD
Retailer 10$931 CAD
Retailer 12$931 CAD
Retailer 4$999 CAD
Retailer 6$1,052 CAD
Retailer 2$1,055 CAD
Retailer 9$1,083 CAD
Retailer 11$1,132 CAD
Retailer 5$1,300 CAD
Retailer 7$1,335 CAD
Retailer 8$1,995 CAD
NZ Jewellers$2,712 CAD

38 data points across 13 retailers

15 retailers$799 CAD to $2,712 CAD

A
Cheapest Retailer
-
$799 CAD
Final sale: no returns
A
Retailer 2
-
$819 CAD
View
A
Retailer 3
-
$865 CAD
View
B+
Retailer 4
-
$931 CAD
View
Retailer 5
-
$931 CAD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$999 CAD
View
B+
Retailer 7
-
$1,052 CAD
View
B+
Retailer 8
-
$1,055 CAD
View
B+
Retailer 9
-
$1,083 CAD
View
B+
Retailer 10
-
$1,132 CAD
View
B
Retailer 11
-
$1,194 CAD
View
Retailer 12
-
$1,300 CAD
View
Price last confirmed 33 days ago
B+
Retailer 13
-
$1,335 CAD
View
B
Retailer 14
-
$1,995 CAD
View
Most Expensive
B
NZ Jewellers
1f9c128c-3fb7-4bd0-affb-343042fe8807 · Nov 5
$2,712 CAD
$1,928 USD
View
14 more retailers have this diamond
Prices start from $799 CADSave up to $1,913 CAD

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
$799 CAD