Heart|Natural|GIA

1.00ct J I1 Heart Natural Diamond

ID • J/I1 • GIA 1318847097

Certificate GIA 1318847097

Diamond specifications and retailer prices

From $1,356 USD
₹129,149 INR
As of October 30, 2026
Save $1,180 USD (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,527 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1318847097. Listed at 9 retailers as of October 30, 2026, with a 87% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Color
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1318847097
Dimensions6.15 × 6.73 × 3.92 mm
L/W Ratio1.09
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle, Indented Natural, Natural
Top View
6.15 mm6.73 mm1.00 ctJ / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1318847097
Side View
Table 51.0%CrownGirdlePavilionCulet: NoneDepth 58.3%

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: $1,357 USD|Low: $1,344 USD|High: $2,536 USD|Avg: $1,865 USD|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3$1,356 USD
Retailer 1$1,357 USD
Retailer 4$1,691 USD
Retailer 5$1,723 USD
Retailer 6$2,142 USD
Retailer 7$2,220 USD
Retailer 2$2,536 USD

45 data points across 7 retailers

9 retailers$1,356 USD to $2,536 USD

A
Cheapest Retailer
-
$1,356 USD
₹129,149 INR
A
Retailer 2
-
$1,357 USD
HK$10,600 HKD
View
B+
Retailer 3
-
$1,691 USD
View
B+
Retailer 4
-
$1,723 USD
View
B
Retailer 5
-
$1,856 USD
View
B
Retailer 6
-
$1,856 USD
View
B
Retailer 7
-
$2,142 USD
View
B
Retailer 8
-
$2,536 USD
€2,415 EUR
View
Most Expensive
NZ Jewellers
550d20a8-f967-4b2c-a54e-7f5933e9d787 · Oct 30
$4,527 USD
View
Price under review
8 more retailers have this diamond
Prices start from $1,356 USDSave up to $1,180 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
1.00ct Heart
$1,356 USD