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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 HK$43,874 HKD
As of November 4, 2026
Save HK$36,650 HKD (46%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$80,524 HKD 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 HK$43,874 to HK$80,524, a HK$36,650 spread on the same certified stone. MOH London lists it at HK$80,524. 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

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$80,524 HKD|Low: HK$42,157 HKD|High: HK$81,718 HKD|Avg: HK$60,887 HKD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 6HK$50,590 HKD
Retailer 5HK$53,192 HKD
Retailer 2HK$56,696 HKD
Retailer 3HK$59,533 HKD
Retailer 4HK$66,869 HKD
MOH LondonHK$80,524 HKD

43 data points across 6 retailers

10 retailersHK$43,874 HKD to HK$80,524 HKD

B
Cheapest Retailer
-
HK$43,874 HKD
B
Retailer 2
-
HK$47,792 HKD
View
B
Retailer 3
-
HK$50,590 HKD
View
Final sale: no returns
B
Retailer 4
-
HK$50,747 HKD
View
Retailer 5
-
HK$53,192 HKD
View
Price last confirmed 16 days ago
B
Retailer 6
-
HK$56,061 HKD
View
B
Retailer 7
-
HK$56,696 HKD
View
B
Retailer 8
-
HK$59,533 HKD
View
B
Retailer 9
-
HK$66,869 HKD
View
Most Expensive
B
MOH London
60CB03D78 · Nov 4
HK$80,524 HKD
£8,090 GBP
View
9 more retailers have this diamond
Prices start from HK$43,874 HKDSave up to HK$36,650 HKD

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
HK$43,874 HKD