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Heart|Natural|GIA

1.20ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 3425694896

Certificate GIA 3425694896

Diamond specifications and retailer prices

From $3,882 CAD
As of November 6, 2026
Save $1,939 CAD (33%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,821 CAD at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded I 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 3425694896. Listed at 3 retailers as of November 5, 2026, with prices from $3,882 to $5,821, a $1,939 spread on the same certified stone. 77 Diamonds lists it at $5,821. 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

1.20
Carat
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3425694896
Dimensions6.67 × 6.99 × 4.33 mm
L/W Ratio1.05
Top View
6.67 mm6.99 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 3425694896
Side View
Table 55.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 61.9%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $5,821 CAD|Low: $3,830 CAD|High: $5,901 CAD|Avg: $4,869 CAD|+1.1%
77 Diamonds
Retailer 2
November 5, 2026
Retailer 2$3,882 CAD
77 Diamonds$5,821 CAD

36 data points across 2 retailers

3 retailers$3,882 CAD to $5,821 CAD

B
Cheapest Retailer
-
$3,882 CAD
B+
Retailer 2
-
$4,092 CAD
View
Most Expensive
B
77 Diamonds
HSMBDMBKZCBG · Nov 5
$5,821 CAD
£3,259 GBP
View
2 more retailers have this diamond
Prices start from $3,882 CADSave up to $1,939 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+
1.20ct Heart
$3,882 CAD