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Heart|Natural|GIA

1.21ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 2508189179

Certificate GIA 2508189179

Diamond specifications and retailer prices

From $2,808 CAD
As of November 6, 2026
Save $5,062 CAD (64%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,870 CAD at NZ Jewellers · As of November 5, 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 J 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 2508189179. Listed at 20 retailers as of November 5, 2026, with prices from $2,808 to $7,870, a $5,062 spread on the same certified stone. NZ Jewellers lists it at $7,870. 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
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2508189179
Dimensions6.69 × 7.23 × 4.20 mm
L/W Ratio1.08
Top View
6.69 mm7.23 mm1.21 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2508189179
Side View
Table 56.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.1%

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: Nov 6
Current: $7,870 CAD|Low: $2,772 CAD|High: $7,870 CAD|Avg: $4,282 CAD
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
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 15$2,808 CAD
Retailer 16$3,322 CAD
Retailer 5$3,372 CAD
Retailer 17$3,474 CAD
Retailer 3$3,706 CAD
Retailer 6$3,715 CAD
Retailer 7$3,764 CAD
Retailer 11$3,898 CAD
Retailer 4$3,909 CAD
Retailer 10$3,962 CAD
Retailer 12$3,983 CAD
Retailer 8$4,159 CAD
Retailer 18$4,217 CAD
Retailer 9$4,310 CAD
Retailer 13$4,594 CAD
Retailer 2$4,674 CAD
Retailer 14$6,577 CAD
NZ Jewellers$7,870 CAD

43 data points across 18 retailers

20 retailers$2,808 CAD to $7,870 CAD

B+
Cheapest Retailer
-
$2,808 CAD
B+
Retailer 2
-
$3,322 CAD
View
B+
Retailer 3
-
$3,372 CAD
View
B
Retailer 4
-
$3,474 CAD
View
Final sale: no returns
B+
Retailer 5
-
$3,646 CAD
View
B+
Retailer 6
-
$3,706 CAD
View
Retailer 7
-
$3,764 CAD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$3,764 CAD
View
B
Retailer 9
-
$3,898 CAD
View
B
Retailer 10
-
$3,909 CAD
View
B
Retailer 11
-
$3,962 CAD
View
B+
Retailer 12
-
$3,983 CAD
View
B
Retailer 13
-
$4,159 CAD
View
Retailer 14
-
$4,217 CAD
View
Price last confirmed 30 days ago
B
Retailer 15
-
$4,310 CAD
View
B
Retailer 16
-
$4,344 CAD
View
B
Retailer 17
-
$4,594 CAD
View
B
Retailer 18
-
$4,674 CAD
View
B
Retailer 19
-
$6,577 CAD
View
Most Expensive
B
NZ Jewellers
f3b42846-f509-4876-a79d-a14152981848 · Nov 5
$7,870 CAD
$5,595 USD
View
19 more retailers have this diamond
Prices start from $2,808 CADSave up to $5,062 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
$2,808 CAD