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Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 2427733321

Certificate GIA 2427733321

Diamond specifications and retailer prices

From $1,851 CAD
As of November 5, 2026
Save $4,919 CAD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,770 CAD at Adiamor · As of November 5, 2026
View at Adiamor

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded H 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 2427733321. Listed at 18 retailers as of November 5, 2026, with prices from $1,851 to $6,770, a $4,919 spread on the same certified stone. Adiamor lists it at $6,770. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2427733321
Dimensions6.24 × 6.74 × 3.72 mm
L/W Ratio1.08
Top View
6.24 mm6.74 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2427733321
Side View
Table 59.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 55.3%

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 5
Current: $3,569 CAD|Low: $1,851 CAD|High: $4,660 CAD|Avg: $2,969 CAD|+0.2%
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 6$1,851 CAD
Retailer 9$1,890 CAD
Retailer 11$2,380 CAD
Retailer 2$2,425 CAD
Retailer 4$2,629 CAD
Retailer 10$2,701 CAD
Retailer 5$2,854 CAD
Retailer 7$3,207 CAD
Retailer 3$3,429 CAD
Retailer 1$3,569 CAD
Retailer 8$4,593 CAD

34 data points across 11 retailers

18 retailers$1,851 CAD to $6,770 CAD

A
Cheapest Retailer
-
$1,851 CAD
A
Retailer 2
-
$1,890 CAD
View
B+
Retailer 3
-
$2,379 CAD
View
A
Retailer 4
-
$2,380 CAD
View
B+
Retailer 5
-
$2,425 CAD
View
Final sale: no returns
Retailer 6
-
$2,629 CAD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$2,629 CAD
View
B+
Retailer 8
-
$2,629 CAD
View
B+
Retailer 9
-
$2,701 CAD
View
B+
Retailer 10
-
$2,750 CAD
View
B+
Retailer 11
-
$2,854 CAD
View
B+
Retailer 12
-
$3,033 CAD
View
B+
Retailer 13
-
$3,207 CAD
View
Retailer 14
-
$3,429 CAD
View
Price last confirmed 32 days ago
B+
Retailer 15
-
$3,569 CAD
View
B
Retailer 16
-
$4,593 CAD
View
B
Retailer 17
-
$6,411 CAD
View
Most Expensive
B
Adiamor
D-51261821 · Nov 5
$6,770 CAD
$4,813 USD
View
17 more retailers have this diamond
Prices start from $1,851 CADSave up to $4,919 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
$1,851 CAD