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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 €5,014 EUR
As of November 4, 2026
Save €4,188 EUR (46%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €9,202 EUR 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 €5,014 to €9,202, a €4,188 spread on the same certified stone. MOH London lists it at €9,202. 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
Colour
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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Price History

Last verified: Nov 4
Current: €9,202 EUR|Low: €4,818 EUR|High: €9,339 EUR|Avg: €6,958 EUR|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 6€5,781 EUR
Retailer 5€6,079 EUR
Retailer 2€6,479 EUR
Retailer 3€6,803 EUR
Retailer 4€7,642 EUR
MOH London€9,202 EUR

43 data points across 6 retailers

10 retailers€5,014 EUR to €9,202 EUR

B
Cheapest Retailer
-
€5,014 EUR
B
Retailer 2
-
€5,462 EUR
View
B
Retailer 3
-
€5,781 EUR
View
Final sale: no returns
B
Retailer 4
-
€5,799 EUR
View
Retailer 5
-
€6,079 EUR
View
Price last confirmed 16 days ago
B
Retailer 6
-
€6,407 EUR
View
B
Retailer 7
-
€6,479 EUR
View
B
Retailer 8
-
€6,803 EUR
View
B
Retailer 9
-
€7,642 EUR
View
Most Expensive
B
MOH London
60CB03D78 · Nov 4
€9,202 EUR
£8,090 GBP
View
9 more retailers have this diamond
Prices start from €5,014 EURSave up to €4,188 EUR

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
€5,014 EUR