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Heart|Natural|GIA

1.04ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 1565133631

Certificate GIA 1565133631

Diamond specifications and retailer prices

From €1,337 EUR
As of November 4, 2026
Save €353 EUR (21%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €1,689 EUR at GemTrove · As of November 4, 2026
View at GemTrove

About this 1.04ct natural heart diamond

This 1.04ct natural heart sits in the classic one-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 1565133631. Listed at 6 retailers as of November 4, 2026, with prices from €1,337 to €1,689, a €353 spread on the same certified stone. GemTrove lists it at €1,689. 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

1.04
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565133631
Dimensions6.43 × 7.00 × 4.08 mm
L/W Ratio1.09
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Needle, Indented Natural
Top View
6.43 mm7.00 mm1.04 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1565133631
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.2%

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 4
Current: €1,689 EUR|Low: €1,236 EUR|High: €1,782 EUR|Avg: €1,522 EUR
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 3€1,337 EUR
Retailer 4€1,357 EUR
Retailer 2€1,462 EUR
Retailer 6€1,515 EUR
Retailer 5€1,611 EUR
GemTrove€1,689 EUR

40 data points across 6 retailers

6 retailers€1,337 EUR to €1,689 EUR

A
Cheapest Retailer
-
€1,337 EUR
Final sale: no returns
A
Retailer 2
-
€1,357 EUR
View
A
Retailer 3
-
€1,462 EUR
View
B+
Retailer 4
-
€1,515 EUR
View
B+
Retailer 5
-
€1,611 EUR
View
Most Expensive
B+
GemTrove
GT-N-01268796-98 · Nov 4
€1,689 EUR
A$2,928 AUD
View
5 more retailers have this diamond
Prices start from €1,337 EURSave up to €353 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
1.04ct Heart
€1,337 EUR