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Heart|Natural|GIA

0.90ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 2554478758

Certificate GIA 2554478758

Diamond specifications and retailer prices

From €816 EUR
$912 USD
As of November 2, 2026
Save €1,956 EUR (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €2,772 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554478758. Listed at 5 retailers as of October 30, 2026, with prices from €816 to €2,772, a €1,956 spread on the same certified stone. NZ Jewellers lists it at €2,772. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554478758
Dimensions5.98 × 6.63 × 3.72 mm
L/W Ratio1.11
Key to symbols
Twinning Wisp, Feather
Top View
5.98 mm6.63 mm0.90 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554478758
Side View
Table 55.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 56.1%

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 2
Current: €2,772 EUR|Low: €705 EUR|High: €2,772 EUR|Avg: €1,425 EUR|+14.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5€816 EUR
Retailer 4€1,033 EUR
Retailer 2€1,191 EUR
Retailer 6€1,263 EUR
Retailer 3€1,619 EUR
NZ Jewellers€2,772 EUR

27 data points across 6 retailers

5 retailers€816 EUR to €2,772 EUR

A
Cheapest Retailer
-
€816 EUR
$912 USD
Final sale: no returns
B+
Retailer 2
-
€1,033 EUR
$1,154 USD
View
B+
Retailer 3
-
€1,191 EUR
View
B
Retailer 4
-
€1,619 EUR
£1,424 GBP
View
Most Expensive
C
NZ Jewellers
4b839365-cd85-42b0-a96a-884843656062 · Oct 30
€2,772 EUR
$3,097 USD
View
4 more retailers have this diamond
Prices start from €816 EURSave up to €1,956 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
€816 EUR