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Heart|Natural|GIA

1.01ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 2426187670

Certificate GIA 2426187670

Diamond specifications and retailer prices

From $2,278 NZD
As of November 6, 2026
Save $5,574 NZD (71%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,852 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural heart diamond

This 1.01ct natural heart sits in the classic 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 2426187670. Listed at 18 retailers as of November 5, 2026, with prices from $2,278 to $7,852, a $5,574 spread on the same certified stone. NZ Jewellers lists it at $7,852. 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

1.01
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2426187670
Dimensions6.06 × 6.46 × 4.09 mm
L/W Ratio1.07
Top View
6.06 mm6.46 mm1.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2426187670
Side View
Table 58.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 63.3%

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 6
Current: $2,278 NZD|Low: $2,190 NZD|High: $5,708 NZD|Avg: $3,646 NZD|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$2,278 NZD
Retailer 7$2,331 NZD
Retailer 9$2,969 NZD
Retailer 8$3,103 NZD
Retailer 2$3,368 NZD
Retailer 4$3,574 NZD
Retailer 5$3,929 NZD
Retailer 10$4,199 NZD
Retailer 3$4,369 NZD
Retailer 6$5,639 NZD

36 data points across 10 retailers

18 retailers$2,278 NZD to $7,852 NZD

A
Cheapest Retailer
-
$2,278 NZD
A
Retailer 2
-
$2,331 NZD
View
B+
Retailer 3
-
$2,955 NZD
View
B+
Retailer 4
-
$2,969 NZD
View
Final sale: no returns
B+
Retailer 5
-
$3,103 NZD
View
Retailer 6
-
$3,220 NZD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$3,220 NZD
View
B+
Retailer 8
-
$3,236 NZD
View
B+
Retailer 9
-
$3,368 NZD
View
B
Retailer 10
-
$3,510 NZD
View
B
Retailer 11
-
$3,574 NZD
View
B
Retailer 12
-
$3,714 NZD
View
B+
Retailer 13
-
$3,929 NZD
View
Retailer 14
-
$4,199 NZD
View
Price last confirmed 33 days ago
B
Retailer 15
-
$4,369 NZD
View
B
Retailer 16
-
$5,639 NZD
View
B
Retailer 17
-
$7,127 NZD
View
Most Expensive
C
NZ Jewellers
5dcfe42a-ebad-4a1a-8c6f-ecc666908a7a · Nov 5
$7,852 NZD
$4,353 USD
View
17 more retailers have this diamond
Prices start from $2,278 NZDSave up to $5,574 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
1.01ct Heart
$2,278 NZD