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Heart|Natural|GIA

1.00ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 2406309500

Certificate GIA 2406309500

Diamond specifications and retailer prices

From HK$7,524 HKD
As of November 6, 2026
Save HK$11,029 HKD (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$18,553 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2406309500. Listed at 9 retailers as of November 2, 2026, with prices from HK$7,524 to HK$18,553, a HK$11,029 spread on the same certified stone. MOH London lists it at HK$18,553. 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

1.00
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2406309500
Dimensions5.27 × 5.14 × 3.91 mm
L/W Ratio1.03
Top View
5.27 mm5.14 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2406309500
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 76.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$18,553 HKD|Low: HK$7,422 HKD|High: HK$18,752 HKD|Avg: HK$11,509 HKD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6HK$7,524 HKD
Retailer 10HK$9,569 HKD
Retailer 2HK$10,361 HKD
Retailer 4HK$10,455 HKD
Retailer 7HK$10,502 HKD
Retailer 9HK$11,027 HKD
Retailer 8HK$11,184 HKD
Retailer 5HK$11,380 HKD
Retailer 3HK$14,060 HKD
MOH LondonHK$18,553 HKD

31 data points across 10 retailers

9 retailersHK$7,524 HKD to HK$18,553 HKD

A
Cheapest Retailer
-
HK$7,524 HKD
B+
Retailer 2
-
HK$9,389 HKD
View
B+
Retailer 3
-
HK$10,361 HKD
View
B+
Retailer 4
-
HK$10,455 HKD
View
B+
Retailer 5
-
HK$10,502 HKD
View
B+
Retailer 6
-
HK$11,184 HKD
View
B+
Retailer 7
-
HK$11,380 HKD
View
B+
Retailer 8
-
HK$14,060 HKD
View
Most Expensive
B
MOH London
782D7060E · Nov 2
HK$18,553 HKD
£1,864 GBP
View
8 more retailers have this diamond
Prices start from HK$7,524 HKDSave up to HK$11,029 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.

A
1.00ct Heart
HK$7,524 HKD