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Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 2427733321

Certificate GIA 2427733321

Diamond specifications and retailer prices

From HK$10,267 HKD
As of November 6, 2026
Save HK$27,454 HKD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$37,721 HKD at Adiamor · As of November 5, 2026
View at Adiamor

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2427733321. Listed at 18 retailers as of November 5, 2026, with prices from HK$10,267 to HK$37,721, a HK$27,454 spread on the same certified stone. Adiamor lists it at HK$37,721. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2427733321
Dimensions6.24 × 6.74 × 3.72 mm
L/W Ratio1.08
Top View
6.24 mm6.74 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2427733321
Side View
Table 59.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 55.3%

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$10,267 HKD|Low: HK$10,267 HKD|High: HK$25,965 HKD|Avg: HK$16,545 HKD|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1HK$10,267 HKD
Retailer 9HK$10,533 HKD
Retailer 11HK$13,261 HKD
Retailer 2HK$13,512 HKD
Retailer 5HK$14,648 HKD
Retailer 10HK$15,048 HKD
Retailer 6HK$15,902 HKD
Retailer 7HK$17,869 HKD
Retailer 3HK$19,108 HKD
Retailer 4HK$19,883 HKD
Retailer 8HK$25,589 HKD

34 data points across 11 retailers

18 retailersHK$10,267 HKD to HK$37,721 HKD

A
Cheapest Retailer
-
HK$10,267 HKD
A
Retailer 2
-
HK$10,533 HKD
View
B+
Retailer 3
-
HK$13,253 HKD
View
A
Retailer 4
-
HK$13,261 HKD
View
B+
Retailer 5
-
HK$13,512 HKD
View
Final sale: no returns
Retailer 6
-
HK$14,648 HKD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
HK$14,648 HKD
View
B+
Retailer 8
-
HK$14,648 HKD
View
B+
Retailer 9
-
HK$15,048 HKD
View
B+
Retailer 10
-
HK$15,322 HKD
View
B+
Retailer 11
-
HK$15,902 HKD
View
B+
Retailer 12
-
HK$16,897 HKD
View
B+
Retailer 13
-
HK$17,869 HKD
View
Retailer 14
-
HK$19,108 HKD
View
Price last confirmed 33 days ago
B+
Retailer 15
-
HK$19,883 HKD
View
B
Retailer 16
-
HK$25,589 HKD
View
B
Retailer 17
-
HK$35,723 HKD
View
Most Expensive
B
Adiamor
D-51261821 · Nov 5
HK$37,721 HKD
$4,813 USD
View
17 more retailers have this diamond
Prices start from HK$10,267 HKDSave up to HK$27,454 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$10,267 HKD