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Heart|Natural|GIA

1.21ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 1418156170

Certificate GIA 1418156170

Diamond specifications and retailer prices

From HK$22,697 HKD
As of November 6, 2026
Save HK$44,709 HKD (66%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$67,406 HKD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-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 1418156170. Listed at 8 retailers as of November 6, 2026, with prices from HK$22,697 to HK$67,406, a HK$44,709 spread on the same certified stone. Yorxs lists it at HK$67,406. 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

1.21
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1418156170
Dimensions7.26 × 7.37 × 4.00 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
7.26 mm7.37 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1418156170
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 54.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$36,076 HKD|Low: HK$22,697 HKD|High: HK$67,942 HKD|Avg: HK$45,467 HKD|-37.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
November 7, 2026
Retailer 4HK$22,697 HKD
Retailer 3HK$24,131 HKD
Retailer 6HK$24,406 HKD
Retailer 5HK$25,252 HKD
Retailer 7HK$30,723 HKD
Retailer 1HK$36,076 HKD
Retailer 2HK$38,756 HKD
YorxsHK$67,406 HKD

45 data points across 8 retailers

8 retailersHK$22,697 HKD to HK$67,406 HKD

B+
Cheapest Retailer
-
HK$22,697 HKD
B+
Retailer 2
-
HK$24,131 HKD
View
B+
Retailer 3
-
HK$24,406 HKD
View
B+
Retailer 4
-
HK$25,252 HKD
View
Final sale: no returns
B
Retailer 5
-
HK$30,723 HKD
View
B
Retailer 6
-
HK$36,076 HKD
View
B
Retailer 7
-
HK$38,756 HKD
View
Most Expensive
B
Yorxs
217813255 · Nov 6
HK$67,406 HKD
€8,191 EUR
View
7 more retailers have this diamond
Prices start from HK$22,697 HKDSave up to HK$44,709 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+
1.21ct Heart
HK$22,697 HKD