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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 $1,158 NZD
HK$5,100 HKD
As of November 1, 2026
Save $3,934 NZD (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,092 NZD 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 $1,158 to $5,092, a $3,934 spread on the same certified stone. NZ Jewellers lists it at $5,092. 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: $5,092 NZD|Low: $1,158 NZD|High: $5,562 NZD|Avg: $2,494 NZD|-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$1,158 NZD
Retailer 3$1,586 NZD
Retailer 7$1,665 NZD
Retailer 4$1,670 NZD
Retailer 8$1,686 NZD
Retailer 9$2,339 NZD
Retailer 5$2,979 NZD
Retailer 6$2,981 NZD
NZ Jewellers$5,092 NZD

29 data points across 9 retailers

9 retailers$1,158 NZD to $5,092 NZD

A
Cheapest Retailer
-
$1,158 NZD
HK$5,100 HKD
A
Retailer 2
-
$1,586 NZD
$894 USD
View
A
Retailer 3
-
$1,665 NZD
SGD 1,268 SGD
View
A
Retailer 4
-
$1,670 NZD
$941 USD
View
A
Retailer 5
-
$1,686 NZD
$950 USD
View
B+
Retailer 6
-
$2,339 NZD
A$2,028 AUD
View
B
Retailer 7
-
$2,979 NZD
£1,322 GBP
View
B
Retailer 8
-
$2,981 NZD
€1,600 EUR
View
Most Expensive
B
NZ Jewellers
491ff9fc-189c-4d00-b3e5-883fe4b3dbb6 · Oct 30
$5,092 NZD
$2,870 USD
View
8 more retailers have this diamond
Prices start from $1,158 NZDSave up to $3,934 NZD

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
$1,158 NZD