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Heart|Natural|GIA

1.51ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 1458052289

Certificate GIA 1458052289

Diamond specifications and retailer prices

From €3,424 EUR
$3,825 USD
As of November 1, 2026
Save €2,806 EUR (45%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €6,229 EUR 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 €3,424 to €6,229, a €2,806 spread on the same certified stone. MOH London lists it at €6,229. 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: Nov 1
Current: €6,229 EUR|Low: €2,944 EUR|High: €6,272 EUR|Avg: €4,087 EUR|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6€3,424 EUR
Retailer 5€3,591 EUR
Retailer 7€3,596 EUR
Retailer 3€3,782 EUR
Retailer 4€3,847 EUR
Retailer 8€4,071 EUR
Retailer 2€4,402 EUR
MOH London€6,229 EUR

38 data points across 8 retailers

10 retailers€3,424 EUR to €6,229 EUR

B+
Cheapest Retailer
-
€3,424 EUR
$3,825 USD
B+
Retailer 2
-
€3,591 EUR
$4,012 USD
View
Final sale: no returns
B+
Retailer 3
-
€3,596 EUR
$4,018 USD
View
B+
Retailer 4
-
€3,721 EUR
$4,157 USD
View
B+
Retailer 5
-
€3,782 EUR
£3,327 GBP
View
B+
Retailer 6
-
€3,847 EUR
£3,384 GBP
View
B
Retailer 7
-
€4,024 EUR
$4,495 USD
View
B
Retailer 8
-
€4,071 EUR
A$6,998 AUD
View
B+
Retailer 9
-
€4,402 EUR
View
Most Expensive
B
MOH London
1815B6933 · Oct 29
€6,229 EUR
£5,480 GBP
View
9 more retailers have this diamond
Prices start from €3,424 EURSave up to €2,806 EUR

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
€3,424 EUR