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Heart|Natural|GIA

1.04ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 6187752391

Certificate GIA 6187752391

Diamond specifications and retailer prices

From €2,381 EUR
As of November 5, 2026
Save €1,551 EUR (39%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €3,933 EUR at MOH London · As of November 4, 2026
View at MOH London

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 6187752391. Listed at 5 retailers as of November 4, 2026, with prices from €2,381 to €3,933, a €1,551 spread on the same certified stone. MOH London lists it at €3,933. 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
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6187752391
Dimensions6.12 × 5.74 × 2.99 mm
L/W Ratio1.07
Top View
6.12 mm5.74 mm1.04 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6187752391
Side View
Table 67.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 52.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: €3,933 EUR|Low: €2,313 EUR|High: €3,991 EUR|Avg: €2,867 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 2€2,381 EUR
Retailer 4€2,522 EUR
Retailer 3€2,629 EUR
MOH London€3,933 EUR

42 data points across 4 retailers

5 retailers€2,381 EUR to €3,933 EUR

B
Cheapest Retailer
-
€2,381 EUR
B
Retailer 2
-
€2,392 EUR
View
Retailer 3
-
€2,522 EUR
View
Price last confirmed 29 days ago
B
Retailer 4
-
€2,629 EUR
View
Most Expensive
B
MOH London
C4CD50FBA · Nov 4
€3,933 EUR
£3,489 GBP
View
4 more retailers have this diamond
Prices start from €2,381 EURSave up to €1,551 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
1.04ct Heart
€2,381 EUR