Heart|Natural|GIA

1.51ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 1458052289

Certificate GIA 1458052289

Diamond specifications and retailer prices

From €3,410 EUR
$3,825 USD
As of November 1, 2026
Save €2,762 EUR (45%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €6,172 EUR at MOH London · As of November 2, 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 November 1, 2026, with prices from €3,410 to €6,172, a €2,762 spread on the same certified stone. MOH London lists it at €6,172. 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
Colour
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: €6,172 EUR|Low: €2,932 EUR|High: €6,247 EUR|Avg: €4,071 EUR|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6€3,410 EUR
Retailer 5€3,577 EUR
Retailer 7€3,582 EUR
Retailer 4€3,767 EUR
Retailer 2€3,831 EUR
Retailer 8€4,056 EUR
Retailer 3€4,385 EUR
MOH London€6,172 EUR

38 data points across 8 retailers

10 retailers€3,410 EUR to €6,172 EUR

B+
Cheapest Retailer
-
€3,410 EUR
$3,825 USD
B+
Retailer 2
-
€3,577 EUR
$4,012 USD
View
Final sale: no returns
B+
Retailer 3
-
€3,582 EUR
$4,018 USD
View
B+
Retailer 4
-
€3,706 EUR
$4,157 USD
View
B+
Retailer 5
-
€3,767 EUR
£3,327 GBP
View
B+
Retailer 6
-
€3,831 EUR
£3,384 GBP
View
B
Retailer 7
-
€4,008 EUR
$4,495 USD
View
B
Retailer 8
-
€4,056 EUR
A$6,998 AUD
View
B+
Retailer 9
-
€4,385 EUR
View
Most Expensive
B
MOH London
1815B6933 · Nov 2
€6,172 EUR
£5,451 GBP
View
9 more retailers have this diamond
Prices start from €3,410 EURSave up to €2,762 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
€3,410 EUR