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Heart|Natural|GIA

1.28ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 1459480283

Certificate GIA 1459480283

Diamond specifications and retailer prices

From $7,874 CAD
As of November 4, 2026
Save $6,578 CAD (46%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $14,452 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.28ct natural heart diamond

This 1.28ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1459480283. Listed at 10 retailers as of November 4, 2026, with prices from $7,874 to $14,452, a $6,578 spread on the same certified stone. MOH London lists it at $14,452. 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

1.28
Carat
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1459480283
Dimensions7.08 × 6.17 × 4.06 mm
L/W Ratio1.15
Girdle conditionFaceted
Top View
7.08 mm6.17 mm1.28 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1459480283
Side View
Table 68.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 65.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $14,452 CAD|Low: $7,566 CAD|High: $14,666 CAD|Avg: $10,926 CAD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$9,080 CAD
Retailer 5$9,547 CAD
Retailer 3$10,150 CAD
Retailer 2$10,685 CAD
Retailer 4$12,001 CAD
MOH London$14,452 CAD

42 data points across 6 retailers

10 retailers$7,874 CAD to $14,452 CAD

B
Cheapest Retailer
-
$7,874 CAD
B
Retailer 2
-
$8,577 CAD
View
B
Retailer 3
-
$9,080 CAD
View
Final sale: no returns
B
Retailer 4
-
$9,108 CAD
View
Retailer 5
-
$9,547 CAD
View
Price last confirmed 16 days ago
B
Retailer 6
-
$10,061 CAD
View
B
Retailer 7
-
$10,150 CAD
View
B
Retailer 8
-
$10,685 CAD
View
B
Retailer 9
-
$12,001 CAD
View
Most Expensive
B
MOH London
60CB03D78 · Nov 4
$14,452 CAD
£8,090 GBP
View
9 more retailers have this diamond
Prices start from $7,874 CADSave up to $6,578 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
1.28ct Heart
$7,874 CAD