Heart|Natural|GIA

1.00ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6542701297

Certificate GIA 6542701297

Diamond specifications and retailer prices

From $1,321 USD
As of November 6, 2026
Save $2,171 USD (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,492 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded I 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 6542701297. Listed at 15 retailers as of November 5, 2026, with prices from $1,321 to $3,492, a $2,171 spread on the same certified stone. NZ Jewellers lists it at $3,492. 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

1.00
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542701297
Dimensions5.99 × 7.00 × 4.15 mm
L/W Ratio1.17
Top View
5.99 mm7.00 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542701297
Side View
Table 61.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 59.4%

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: $3,492 USD|Low: $1,252 USD|High: $3,492 USD|Avg: $1,728 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 7, 2026
Retailer 6$1,321 USD
Retailer 4$1,327 USD
Retailer 9$1,388 USD
Retailer 12$1,432 USD
Retailer 14$1,432 USD
Retailer 8$1,435 USD
Retailer 13$1,498 USD
Retailer 3$1,530 USD
Retailer 2$1,575 USD
Retailer 5$1,616 USD
Retailer 15$1,652 USD
Retailer 10$1,747 USD
Retailer 7$1,931 USD
Retailer 11$2,508 USD
NZ Jewellers$3,492 USD

35 data points across 15 retailers

15 retailers$1,321 USD to $3,492 USD

A
Cheapest Retailer
-
$1,321 USD
Final sale: no returns
A
Retailer 2
-
$1,327 USD
View
A
Retailer 3
-
$1,388 USD
View
Retailer 4
-
$1,432 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$1,432 USD
View
A
Retailer 6
-
$1,435 USD
View
A
Retailer 7
-
$1,498 USD
View
A
Retailer 8
-
$1,530 USD
View
A
Retailer 9
-
$1,575 USD
View
Retailer 10
-
$1,616 USD
View
Price last confirmed 16 days ago
A
Retailer 11
-
$1,652 USD
View
A
Retailer 12
-
$1,747 USD
View
Retailer 13
-
$1,931 USD
View
Price last confirmed 33 days ago
B+
Retailer 14
-
$2,508 USD
View
Most Expensive
B
NZ Jewellers
e89ec0f3-5174-4a32-893e-05b0202c198d · Nov 5
$3,492 USD
View
14 more retailers have this diamond
Prices start from $1,321 USDSave up to $2,171 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
$1,321 USD