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Heart|Natural|GIA

1.21ct H SI1 Heart Natural Diamond

GD • H/SI1 • GIA 6137692565

Certificate GIA 6137692565

Diamond specifications and retailer prices

From $2,945 CAD
As of November 6, 2026
Save $1,536 CAD (34%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,481 CAD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

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 SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6137692565. Listed at 4 retailers as of November 6, 2026, with prices from $2,945 to $4,481, a $1,536 spread on the same certified stone. 77 Diamonds lists it at $4,481. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
H
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6137692565
Dimensions5.75 × 5.63 × 4.32 mm
L/W Ratio1.02
Top View
5.75 mm5.63 mm1.21 ctH / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6137692565
Side View
Table 56.0%CrownGirdle: VTK-EXTPavilionCulet: NoneDepth 76.7%

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: $4,481 CAD|Low: $2,914 CAD|High: $4,531 CAD|Avg: $3,753 CAD|+1.4%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2$2,945 CAD
Retailer 3$3,263 CAD
Retailer 4$4,301 CAD
77 Diamonds$4,481 CAD

37 data points across 4 retailers

4 retailers$2,945 CAD to $4,481 CAD

B+
Cheapest Retailer
-
$2,945 CAD
B+
Retailer 2
-
$3,050 CAD
View
B+
Retailer 3
-
$3,197 CAD
View
Most Expensive
B
77 Diamonds
CUSMBK2MYAZFQ · Nov 6
$4,481 CAD
£2,509 GBP
View
3 more retailers have this diamond
Prices start from $2,945 CADSave up to $1,536 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
$2,945 CAD