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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 $653 USD
HK$5,100 HKD
As of November 1, 2026
Save $2,217 USD (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,870 USD 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 $653 to $2,870, a $2,217 spread on the same certified stone. NZ Jewellers lists it at $2,870. 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: $2,870 USD|Low: $653 USD|High: $3,135 USD|Avg: $1,405 USD|-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$653 USD
Retailer 3$894 USD
Retailer 7$938 USD
Retailer 4$941 USD
Retailer 8$950 USD
Retailer 9$1,318 USD
Retailer 5$1,679 USD
Retailer 6$1,680 USD
NZ Jewellers$2,870 USD

29 data points across 9 retailers

9 retailers$653 USD to $2,870 USD

A
Cheapest Retailer
-
$653 USD
HK$5,100 HKD
A
Retailer 2
-
$894 USD
View
A
Retailer 3
-
$938 USD
SGD 1,268 SGD
View
A
Retailer 4
-
$941 USD
View
A
Retailer 5
-
$950 USD
View
B+
Retailer 6
-
$1,318 USD
A$2,028 AUD
View
B
Retailer 7
-
$1,679 USD
£1,322 GBP
View
B
Retailer 8
-
$1,680 USD
€1,600 EUR
View
Most Expensive
B
NZ Jewellers
491ff9fc-189c-4d00-b3e5-883fe4b3dbb6 · Oct 30
$2,870 USD
View
8 more retailers have this diamond
Prices start from $653 USDSave up to $2,217 USD

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
$653 USD