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Heart|Natural|GIA

1.21ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6531598937

Certificate GIA 6531598937

Diamond specifications and retailer prices

From HK$21,208 HKD
As of November 6, 2026
Save HK$6,066 HKD (22%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$27,274 HKD at Jared · As of November 6, 2026
View at Jared

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded D 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 6531598937. Listed at 10 retailers as of November 6, 2026, with prices from HK$21,208 to HK$27,274, a HK$6,066 spread on the same certified stone. Jared lists it at HK$27,274. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6531598937
Dimensions6.54 × 7.41 × 4.38 mm
L/W Ratio1.13
Top View
6.54 mm7.41 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6531598937
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.1%

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$27,274 HKD|Low: HK$20,385 HKD|High: HK$31,036 HKD|Avg: HK$26,174 HKD|-9.1%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4HK$21,208 HKD
Retailer 5HK$22,971 HKD
Retailer 10HK$23,771 HKD
Retailer 9HK$24,186 HKD
Retailer 2HK$24,562 HKD
Retailer 6HK$25,040 HKD
Retailer 3HK$26,412 HKD
Retailer 7HK$26,412 HKD
Retailer 8HK$26,726 HKD
JaredHK$27,274 HKD

42 data points across 10 retailers

10 retailersHK$21,208 HKD to HK$27,274 HKD

A
Cheapest Retailer
-
HK$21,208 HKD
Final sale: no returns
B+
Retailer 2
-
HK$22,971 HKD
View
B+
Retailer 3
-
HK$23,771 HKD
View
B+
Retailer 4
-
HK$24,186 HKD
View
B+
Retailer 5
-
HK$24,562 HKD
View
B+
Retailer 6
-
HK$25,040 HKD
View
B+
Retailer 7
-
HK$26,412 HKD
View
B+
Retailer 8
-
HK$26,412 HKD
View
B+
Retailer 9
-
HK$26,726 HKD
View
Most Expensive
B+
Jared
156794183 · Nov 6
HK$27,274 HKD
$3,480 USD
View
9 more retailers have this diamond
Prices start from HK$21,208 HKDSave up to HK$6,066 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
1.21ct Heart
HK$21,208 HKD