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Heart|Natural|GIA

0.90ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 6545863124

Certificate GIA 6545863124

Diamond specifications and retailer prices

From €558 EUR
$623 USD
As of October 31, 2026
Save €130 EUR (19%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €687 EUR at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 0.9ct natural heart diamond

This 0.9ct natural heart sits in the just-under-one-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 6545863124. Listed at 4 retailers as of October 31, 2026, with prices from €558 to €687, a €130 spread on the same certified stone. 77 Diamonds lists it at €687. 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

0.90
Carat
J
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6545863124
Dimensions5.83 × 6.79 × 3.98 mm
L/W Ratio1.16
Top View
5.83 mm6.79 mm0.90 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6545863124
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 58.5%

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: Oct 31
Current: €687 EUR|Low: €486 EUR|High: €734 EUR|Avg: €644 EUR|-4.6%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 2€558 EUR
Retailer 3€623 EUR
Retailer 4€678 EUR
77 Diamonds€687 EUR

38 data points across 4 retailers

4 retailers€558 EUR to €687 EUR

A
Cheapest Retailer
-
€558 EUR
$623 USD
Final sale: no returns
A
Retailer 2
-
€623 EUR
SGD 941 SGD
View
Retailer 3
-
€678 EUR
$757 USD
View
Price last confirmed 27 days ago
Most Expensive
B+
77 Diamonds
HSCPRATRHMKD · Nov 1
€687 EUR
£605 GBP
View
3 more retailers have this diamond
Prices start from €558 EURSave up to €130 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
0.90ct Heart
€558 EUR