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Heart|Natural|GIA

0.90ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 2254237464

Certificate GIA 2254237464

Diamond specifications and retailer prices

From HK$9,123 HKD
As of November 6, 2026
Save HK$11,084 HKD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$20,207 HKD at Moon Ocean · As of November 6, 2026
View at Moon Ocean

About this 0.9ct natural heart diamond

This 0.9ct natural heart sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2254237464. Listed at 10 retailers as of November 6, 2026, with prices from HK$9,123 to HK$20,207, a HK$11,084 spread on the same certified stone. Moon Ocean lists it at HK$20,207. 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

0.90
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2254237464
Dimensions5.86 × 4.88 × 3.53 mm
L/W Ratio1.20
Top View
5.86 mm4.88 mm0.90 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2254237464
Side View
Table 60.0%CrownGirdle: ThickPavilionCulet: NoneDepth 72.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$20,207 HKD|Low: HK$9,029 HKD|High: HK$20,577 HKD|Avg: HK$14,019 HKD|-1.8%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6HK$9,123 HKD
Retailer 7HK$11,403 HKD
Retailer 8HK$11,615 HKD
Retailer 3HK$11,874 HKD
Retailer 2HK$14,648 HKD
Retailer 4HK$15,463 HKD
Retailer 5HK$19,288 HKD
Moon OceanHK$20,207 HKD

30 data points across 8 retailers

10 retailersHK$9,123 HKD to HK$20,207 HKD

B+
Cheapest Retailer
-
HK$9,123 HKD
B+
Retailer 2
-
HK$9,781 HKD
View
B
Retailer 3
-
HK$11,207 HKD
View
B
Retailer 4
-
HK$11,403 HKD
View
B
Retailer 5
-
HK$11,615 HKD
View
B
Retailer 6
-
HK$11,874 HKD
View
B
Retailer 7
-
HK$14,648 HKD
View
B
Retailer 8
-
HK$15,463 HKD
View
B
Retailer 9
-
HK$19,288 HKD
View
Most Expensive
B
Moon Ocean
NVN-3A03D79B8-464 · Nov 6
HK$20,207 HKD
£2,030 GBP
View
9 more retailers have this diamond
Prices start from HK$9,123 HKDSave up to HK$11,084 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+
0.90ct Heart
HK$9,123 HKD