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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 €582 EUR
HK$5,100 HKD
As of November 1, 2026
Save €1,977 EUR (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €2,559 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 €582 to €2,559, a €1,977 spread on the same certified stone. NZ Jewellers lists it at €2,559. 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
Colour
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: €2,559 EUR|Low: €582 EUR|High: €2,795 EUR|Avg: €1,253 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€582 EUR
Retailer 3€797 EUR
Retailer 7€837 EUR
Retailer 4€839 EUR
Retailer 8€847 EUR
Retailer 9€1,175 EUR
Retailer 5€1,497 EUR
Retailer 6€1,498 EUR
NZ Jewellers€2,559 EUR

29 data points across 9 retailers

9 retailers€582 EUR to €2,559 EUR

A
Cheapest Retailer
-
€582 EUR
HK$5,100 HKD
A
Retailer 2
-
€797 EUR
$894 USD
View
A
Retailer 3
-
€837 EUR
SGD 1,268 SGD
View
A
Retailer 4
-
€839 EUR
$941 USD
View
A
Retailer 5
-
€847 EUR
$950 USD
View
B+
Retailer 6
-
€1,175 EUR
A$2,028 AUD
View
B
Retailer 7
-
€1,497 EUR
£1,322 GBP
View
Price last confirmed 7 days ago
B
Retailer 8
-
€1,498 EUR
View
Most Expensive
B
NZ Jewellers
491ff9fc-189c-4d00-b3e5-883fe4b3dbb6 · Oct 30
€2,559 EUR
$2,870 USD
View
8 more retailers have this diamond
Prices start from €582 EURSave up to €1,977 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
€582 EUR