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Heart|Natural|GIA

1.20ct F SI1 Heart Natural Diamond

ID • F/SI1 • GIA 1533868510

Certificate GIA 1533868510

Diamond specifications and retailer prices

From HK$22,180 HKD
As of November 5, 2026
Save HK$20,973 HKD (49%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$43,153 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct 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 1533868510. Listed at 19 retailers as of November 5, 2026, with prices from HK$22,180 to HK$43,153, a HK$20,973 spread on the same certified stone. NZ Jewellers lists it at HK$43,153. 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

1.20
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36.42°
Pavilion angle43.11°
OriginNatural
Grading LabGIA
CertificateGIA 1533868510
Dimensions7.31 × 6.60 × 4.33 mm
L/W Ratio1.11
Culet sizeNone
Key to symbols
Feather, Twinning Wisp
Top View
7.31 mm6.60 mm1.20 ctF / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1533868510
Side View
Table 58.0%Crown 36.42°Girdle: Slightly ThickPavilion 43.11°Culet: NoneDepth 59.3%

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 5
Current: HK$43,153 HKD|Low: HK$22,180 HKD|High: HK$44,485 HKD|Avg: HK$28,560 HKD|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 6HK$22,180 HKD
Retailer 16HK$22,180 HKD
Retailer 9HK$22,862 HKD
Retailer 5HK$23,575 HKD
Retailer 11HK$24,029 HKD
Retailer 17HK$24,774 HKD
Retailer 10HK$25,534 HKD
Retailer 13HK$25,628 HKD
Retailer 3HK$25,722 HKD
Retailer 4HK$25,887 HKD
Retailer 2HK$26,091 HKD
Retailer 15HK$26,279 HKD
Retailer 7HK$27,690 HKD
Retailer 8HK$28,583 HKD
Retailer 12HK$28,842 HKD
Retailer 14HK$30,229 HKD
Retailer 18HK$41,421 HKD
NZ JewellersHK$43,153 HKD

28 data points across 18 retailers

19 retailersHK$22,180 HKD to HK$43,153 HKD

B+
Cheapest Retailer
-
HK$22,180 HKD
B+
Retailer 2
-
HK$22,180 HKD
View
B+
Retailer 3
-
HK$22,862 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$23,575 HKD
View
B+
Retailer 5
-
HK$24,029 HKD
View
B+
Retailer 6
-
HK$24,774 HKD
View
Retailer 7
-
HK$25,534 HKD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
HK$25,628 HKD
View
B+
Retailer 9
-
HK$25,722 HKD
View
B+
Retailer 10
-
HK$25,887 HKD
View
B+
Retailer 11
-
HK$26,091 HKD
View
B+
Retailer 12
-
HK$26,279 HKD
View
Retailer 13
-
HK$27,274 HKD
View
Price last confirmed 31 days ago
B
Retailer 14
-
HK$27,690 HKD
View
B+
Retailer 15
-
HK$28,583 HKD
View
B+
Retailer 16
-
HK$28,842 HKD
View
B
Retailer 17
-
HK$30,229 HKD
View
B
Retailer 18
-
HK$41,421 HKD
View
Most Expensive
B
NZ Jewellers
4e7c2b87-0a6b-470c-b50c-3fab8bf0dc01 · Nov 5
HK$43,153 HKD
$5,506 USD
View
18 more retailers have this diamond
Prices start from HK$22,180 HKDSave up to HK$20,973 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+
1.20ct Heart
HK$22,180 HKD