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Heart|Natural|GIA

0.90ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 1559708732

Certificate GIA 1559708732

Diamond specifications and retailer prices

From €584 EUR
HK$5,100 HKD
As of November 1, 2026
Save €1,985 EUR (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €2,569 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 1559708732. Listed at 9 retailers as of October 30, 2026, with prices from €584 to €2,569, a €1,985 spread on the same certified stone. NZ Jewellers lists it at €2,569. 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
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Pavilion angle39.46°
OriginNatural
Grading LabGIA
CertificateGIA 1559708732
Dimensions5.71 × 6.68 × 3.98 mm
L/W Ratio1.17
Key to symbols
Crystal, Needle, Feather
Top View
5.71 mm6.68 mm0.90 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1559708732
Side View
Table 61.0%CrownGirdle: STK-THKPavilion 39.46°Culet: NoneDepth 59.6%

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 1
Current: €2,569 EUR|Low: €584 EUR|High: €2,806 EUR|Avg: €1,258 EUR|-8.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2€584 EUR
Retailer 3€800 EUR
Retailer 7€840 EUR
Retailer 4€842 EUR
Retailer 8€850 EUR
Retailer 9€1,180 EUR
Retailer 5€1,503 EUR
Retailer 6€1,504 EUR
NZ Jewellers€2,569 EUR

29 data points across 9 retailers

9 retailers€584 EUR to €2,569 EUR

A
Cheapest Retailer
-
€584 EUR
HK$5,100 HKD
A
Retailer 2
-
€800 EUR
$894 USD
View
A
Retailer 3
-
€840 EUR
SGD 1,268 SGD
View
A
Retailer 4
-
€842 EUR
$941 USD
View
A
Retailer 5
-
€850 EUR
$950 USD
View
B+
Retailer 6
-
€1,180 EUR
A$2,028 AUD
View
B
Retailer 7
-
€1,503 EUR
£1,322 GBP
View
B
Retailer 8
-
€1,504 EUR
View
Most Expensive
B
NZ Jewellers
491ff9fc-189c-4d00-b3e5-883fe4b3dbb6 · Oct 30
€2,569 EUR
$2,870 USD
View
8 more retailers have this diamond
Prices start from €584 EURSave up to €1,985 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
€584 EUR