Heart|Natural|GIA

1.51ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 6565046861

Certificate GIA 6565046861

Diamond specifications and retailer prices

From €2,643 EUR
As of November 6, 2026
Save €971 EUR (27%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €3,614 EUR at GemTrove · As of November 7, 2026
View at GemTrove

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565046861. Listed at 7 retailers as of November 6, 2026, with prices from €2,643 to €3,614, a €971 spread on the same certified stone. GemTrove lists it at €3,614. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565046861
Dimensions7.14 × 7.80 × 4.62 mm
L/W Ratio1.09
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Feather, Natural
Top View
7.14 mm7.80 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565046861
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.2%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: €2,871 EUR|Low: €2,643 EUR|High: €3,602 EUR|Avg: €3,037 EUR|-9.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 7, 2026
Retailer 2€2,643 EUR
Retailer 3€2,686 EUR
Retailer 1€2,871 EUR
Retailer 5€3,146 EUR
Retailer 4€3,203 EUR

46 data points across 5 retailers

7 retailers€2,643 EUR to €3,614 EUR

A
Cheapest Retailer
-
€2,643 EUR
A
Retailer 2
-
€2,686 EUR
View
A
Retailer 3
-
€2,871 EUR
View
B+
Retailer 4
-
€3,146 EUR
View
B+
Retailer 5
-
€3,203 EUR
View
B+
Retailer 6
-
€3,369 EUR
View
Most Expensive
B+
GemTrove
GT-N-01269524-98 · Nov 7
€3,614 EUR
A$6,208 AUD
View
6 more retailers have this diamond
Prices start from €2,643 EURSave up to €971 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.

A
1.51ct Heart
€2,643 EUR