Heart|Natural|GIA

1.51ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 1458052289

Certificate GIA 1458052289

Diamond specifications and retailer prices

From $5,343 CAD
$3,825 USD
As of October 30, 2026
Save $4,379 CAD (45%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,722 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1458052289. Listed at 10 retailers as of October 29, 2026, with prices from $5,343 to $9,722, a $4,379 spread on the same certified stone. MOH London lists it at $9,722. 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

1.51
Carat
J
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1458052289
Dimensions6.58 × 6.58 × 4.50 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural, Needle
Top View
6.58 mm6.58 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1458052289
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.4%

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: Oct 30
Current: $9,722 CAD|Low: $4,594 CAD|High: $9,788 CAD|Avg: $6,377 CAD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6$5,343 CAD
Retailer 5$5,604 CAD
Retailer 7$5,613 CAD
Retailer 3$5,902 CAD
Retailer 2$6,003 CAD
Retailer 8$6,354 CAD
Retailer 4$6,872 CAD
MOH London$9,722 CAD

37 data points across 8 retailers

10 retailers$5,343 CAD to $9,722 CAD

B+
Cheapest Retailer
-
$5,343 CAD
$3,825 USD
B+
Retailer 2
-
$5,604 CAD
$4,012 USD
View
Final sale: no returns
B+
Retailer 3
-
$5,613 CAD
$4,018 USD
View
B+
Retailer 4
-
$5,807 CAD
$4,157 USD
View
B+
Retailer 5
-
$5,902 CAD
£3,327 GBP
View
B+
Retailer 6
-
$6,003 CAD
£3,384 GBP
View
B
Retailer 7
-
$6,279 CAD
$4,495 USD
View
B
Retailer 8
-
$6,354 CAD
A$6,998 AUD
View
B+
Retailer 9
-
$6,872 CAD
€4,685 EUR
View
Most Expensive
B
MOH London
1815B6933 · Oct 29
$9,722 CAD
£5,480 GBP
View
9 more retailers have this diamond
Prices start from $5,343 CADSave up to $4,379 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.

B+
1.51ct Heart
$5,343 CAD