Heart|Natural|GIA

1.01ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 2426187670

Certificate GIA 2426187670

Diamond specifications and retailer prices

From €1,145 EUR
₹121,810 INR
As of October 30, 2026
Save €2,751 EUR (71%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €3,896 EUR at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from €1,145 to €3,896, a €2,751 spread on the same certified stone. NZ Jewellers lists it at €3,896. 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
Color
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: Oct 30
Current: €1,145 EUR|Low: €1,087 EUR|High: €2,833 EUR|Avg: €1,775 EUR|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 1€1,145 EUR
Retailer 2€1,146 EUR
Retailer 8€1,473 EUR
Retailer 7€1,540 EUR
Retailer 10€1,671 EUR
Retailer 3€1,790 EUR
Retailer 6€1,945 EUR
Retailer 9€2,084 EUR
Retailer 5€2,178 EUR
Retailer 4€2,813 EUR

34 data points across 10 retailers

18 retailers€1,145 EUR to €3,896 EUR

A
Cheapest Retailer
-
€1,145 EUR
₹121,810 INR
A
Retailer 2
-
€1,146 EUR
HK$10,000 HKD
View
B+
Retailer 3
-
€1,466 EUR
$1,638 USD
View
B+
Retailer 4
-
€1,473 EUR
$1,646 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,540 EUR
$1,720 USD
View
B+
Retailer 6
-
€1,598 EUR
$1,785 USD
View
B+
Retailer 7
-
€1,598 EUR
$1,785 USD
View
B+
Retailer 8
-
€1,606 EUR
SGD 2,425 SGD
View
B+
Retailer 9
-
€1,671 EUR
$1,867 USD
View
B
Retailer 10
-
€1,742 EUR
$1,946 USD
View
B
Retailer 11
-
€1,790 EUR
£1,575 GBP
View
B
Retailer 12
-
€1,843 EUR
$2,059 USD
View
B+
Retailer 13
-
€1,945 EUR
ZAR 35,106 ZAR
View
Retailer 14
-
€2,084 EUR
A$3,583 AUD
View
Price last confirmed 27 days ago
B
Retailer 15
-
€2,178 EUR
View
B
Retailer 16
-
€2,813 EUR
£2,475 GBP
View
B
Retailer 17
-
€3,537 EUR
$3,951 USD
View
Most Expensive
C
NZ Jewellers
5dcfe42a-ebad-4a1a-8c6f-ecc666908a7a · Oct 30
€3,896 EUR
$4,353 USD
View
17 more retailers have this diamond
Prices start from €1,145 EURSave up to €2,751 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
1.01ct Heart
€1,145 EUR