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Heart|Natural|GIA

1.00ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 1553596973

Certificate GIA 1553596973

Diamond specifications and retailer prices

From $1,765 CAD
As of November 6, 2026
Save $1,775 CAD (50%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,857 CAD at NZ Jewellers · As of September 26, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553596973. Listed at 16 retailers as of November 1, 2026, with a 101% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle37.83°
Pavilion angle38.79°
OriginNatural
Grading LabGIA
CertificateGIA 1553596973
Dimensions6.97 × 6.08 × 3.84 mm
L/W Ratio1.15
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle, Etch Channel
Top View
6.97 mm6.08 mm1.00 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1553596973
Side View
Table 64.0%Crown 37.83°Girdle: Very ThickPavilion 38.79°Culet: NoneDepth 55.1%

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: $2,099 CAD|Low: $1,421 CAD|High: $3,692 CAD|Avg: $2,332 CAD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 4$1,765 CAD
Retailer 2$1,784 CAD
Retailer 5$1,872 CAD
Retailer 3$1,992 CAD
Retailer 9$2,023 CAD
Retailer 11$2,027 CAD
Retailer 7$2,094 CAD
Retailer 1$2,099 CAD
Retailer 8$2,155 CAD
Retailer 6$2,642 CAD
Retailer 10$3,540 CAD

35 data points across 11 retailers

16 retailers$1,765 CAD to $3,540 CAD

A
Cheapest Retailer
-
$1,765 CAD
A
Retailer 2
-
$1,784 CAD
View
Final sale: no returns
A
Retailer 3
-
$1,872 CAD
View
Retailer 4
-
$1,992 CAD
View
Price last confirmed 8 days ago
Retailer 5
-
$1,992 CAD
View
Price last confirmed 41 days ago
Retailer 6
-
$1,992 CAD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$2,023 CAD
View
A
Retailer 8
-
$2,027 CAD
View
A
Retailer 9
-
$2,094 CAD
View
A
Retailer 10
-
$2,099 CAD
View
A
Retailer 11
-
$2,155 CAD
View
Retailer 12
-
$2,298 CAD
View
Price last confirmed 61 days ago
Retailer 13
-
$2,298 CAD
View
Price last confirmed 43 days ago
B+
Retailer 14
-
$2,642 CAD
View
B+
Retailer 15
-
$3,540 CAD
View
Most Expensive
NZ Jewellers
d70c30ee-10c2-461f-a977-d0efbba75e88 · Sep 26
$4,857 CAD
$3,453 USD
View
Price last confirmed 41 days ago
15 more retailers have this diamond
Prices start from $1,765 CADSave up to $1,775 CAD

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
$1,765 CAD