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Heart|Natural|GIA

1.33ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 3545115877

Certificate GIA 3545115877

Diamond specifications and retailer prices

From $2,813 CAD
As of November 6, 2026
Save $557 CAD (17%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,370 CAD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.33ct natural heart diamond

This 1.33ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded I 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 3545115877. Listed at 5 retailers as of November 5, 2026, with prices from $2,813 to $3,370, a $557 spread on the same certified stone. Blue Nile lists it at $3,370. 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

1.33
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3545115877
Dimensions6.97 × 7.64 × 4.53 mm
L/W Ratio1.10
Top View
6.97 mm7.64 mm1.33 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3545115877
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $3,370 CAD|Low: $2,770 CAD|High: $4,192 CAD|Avg: $3,420 CAD|-19.6%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$2,813 CAD
Retailer 3$2,829 CAD
Retailer 2$3,061 CAD
Retailer 5$3,227 CAD
Blue Nile$3,370 CAD
Retailer 6$4,104 CAD

42 data points across 6 retailers

5 retailers$2,813 CAD to $3,370 CAD

A
Cheapest Retailer
-
$2,813 CAD
A
Retailer 2
-
$2,829 CAD
View
Final sale: no returns
A
Retailer 3
-
$3,061 CAD
View
A
Retailer 4
-
$3,227 CAD
View
Most Expensive
A
Blue Nile
27492901 · Nov 5
$3,370 CAD
$2,396 USD
View
4 more retailers have this diamond
Prices start from $2,813 CADSave up to $557 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
1.33ct Heart
$2,813 CAD