Heart|Natural|GIA

1.21ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 5426090686

Certificate GIA 5426090686

Diamond specifications and retailer prices

From $3,678 CAD
$2,633 USD
As of October 31, 2026
Save $4,670 CAD (56%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $8,348 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded H 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 5426090686. Listed at 25 retailers as of October 30, 2026, with prices from $3,678 to $8,348, a $4,670 spread on the same certified stone. NZ Jewellers lists it at $8,348. 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

1.21
Carat
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5426090686
Dimensions6.59 × 7.07 × 4.31 mm
L/W Ratio1.07
Top View
6.59 mm7.07 mm1.21 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5426090686
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 60.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,738 CAD|Low: $3,740 CAD|High: $8,109 CAD|Avg: $4,880 CAD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3$3,740 CAD
Retailer 9$3,807 CAD
Retailer 7$3,888 CAD
Retailer 8$4,078 CAD
Retailer 11$4,342 CAD
Retailer 10$4,508 CAD
Retailer 2$4,674 CAD
Retailer 1$4,738 CAD
Retailer 5$5,008 CAD
Retailer 6$5,610 CAD
Retailer 4$8,013 CAD

41 data points across 11 retailers

25 retailers$3,678 CAD to $8,348 CAD

B+
Cheapest Retailer
-
$3,678 CAD
$2,633 USD
B+
Retailer 2
-
$3,740 CAD
$2,677 USD
View
B+
Retailer 3
-
$3,807 CAD
$2,725 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,839 CAD
$2,748 USD
View
B+
Retailer 5
-
$3,888 CAD
$2,783 USD
View
B+
Retailer 6
-
$4,078 CAD
$2,919 USD
View
B
Retailer 7
-
$4,342 CAD
$3,108 USD
View
B
Retailer 8
-
$4,342 CAD
$3,108 USD
View
B
Retailer 9
-
$4,371 CAD
$3,129 USD
View
B
Retailer 10
-
$4,437 CAD
View
B
Retailer 11
-
$4,508 CAD
$3,227 USD
View
B
Retailer 12
-
$4,674 CAD
$3,346 USD
View
B
Retailer 13
-
$4,716 CAD
$3,376 USD
View
B
Retailer 14
-
$4,738 CAD
£2,671 GBP
View
B
Retailer 15
-
$4,931 CAD
$3,530 USD
View
B
Retailer 16
-
$4,931 CAD
$3,530 USD
View
B
Retailer 17
-
$5,008 CAD
£2,823 GBP
View
B
Retailer 18
-
$5,009 CAD
$3,586 USD
View
B
Retailer 19
-
$5,099 CAD
$3,650 USD
View
Retailer 20
-
$5,430 CAD
$3,887 USD
View
Price last confirmed 9 days ago
B
Retailer 21
-
$5,610 CAD
€3,825 EUR
View
B
Retailer 22
-
$5,628 CAD
$4,029 USD
View
B
Retailer 23
-
$6,916 CAD
$4,951 USD
View
B
Retailer 24
-
$8,013 CAD
£4,517 GBP
View
Most Expensive
B
NZ Jewellers
b2c6f282-9c68-4ba7-94d9-d58a71100785 · Oct 30
$8,348 CAD
$5,976 USD
View
24 more retailers have this diamond
Prices start from $3,678 CADSave up to $4,670 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.

B+
1.21ct Heart
$3,678 CAD