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Heart|Natural|GIA

0.90ct H SI2 Heart Natural Diamond

ID • H/SI2 • GIA 5553589758

Certificate GIA 5553589758

Diamond specifications and retailer prices

From HK$8,167 HKD
$1,041 USD
As of October 28, 2026
Save HK$17,790 HKD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$25,958 HKD at Moon Ocean · As of October 29, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553589758. Listed at 15 retailers as of October 28, 2026, with prices from HK$8,167 to HK$25,958, a HK$17,790 spread on the same certified stone. Moon Ocean lists it at HK$25,958. 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
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553589758
Dimensions6.62 × 5.77 × 3.89 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
6.62 mm5.77 mm0.90 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5553589758
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 58.8%

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: Oct 28
Current: HK$25,958 HKD|Low: HK$6,834 HKD|High: HK$25,958 HKD|Avg: HK$12,353 HKD|+0.3%
Moon Ocean
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
October 29, 2026
Retailer 6HK$8,167 HKD
Retailer 7HK$8,199 HKD
Retailer 4HK$8,262 HKD
Retailer 9HK$8,395 HKD
Retailer 2HK$9,038 HKD
Retailer 12HK$9,038 HKD
Retailer 11HK$9,383 HKD
Retailer 13HK$10,168 HKD
Retailer 8HK$10,325 HKD
Retailer 16HK$10,827 HKD
Retailer 17HK$10,827 HKD
Retailer 18HK$11,219 HKD
Retailer 3HK$12,221 HKD
Retailer 10HK$13,293 HKD
Retailer 15HK$13,914 HKD
Retailer 14HK$18,364 HKD
Retailer 5HK$24,094 HKD
Moon OceanHK$25,958 HKD

30 data points across 18 retailers

15 retailersHK$8,167 HKD to HK$25,958 HKD

A
Cheapest Retailer
-
HK$8,167 HKD
$1,041 USD
Retailer 2
-
HK$8,199 HKD
$1,045 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
HK$8,395 HKD
$1,070 USD
View
A
Retailer 4
-
HK$9,038 HKD
$1,152 USD
View
A
Retailer 5
-
HK$9,383 HKD
$1,196 USD
View
B+
Retailer 6
-
HK$10,168 HKD
$1,296 USD
View
Retailer 7
-
HK$10,325 HKD
$1,316 USD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
HK$10,827 HKD
$1,380 USD
View
B+
Retailer 9
-
HK$10,827 HKD
$1,380 USD
View
B+
Retailer 10
-
HK$11,219 HKD
$1,430 USD
View
Retailer 11
-
HK$12,221 HKD
£1,227 GBP
View
Price last confirmed 12 days ago
B+
Retailer 12
-
HK$13,914 HKD
€1,689 EUR
View
B
Retailer 13
-
HK$18,364 HKD
£1,843 GBP
View
Retailer 14
-
HK$24,094 HKD
$3,071 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Moon Ocean
NVN-99C44B920-758 · Oct 29
HK$25,958 HKD
£2,605 GBP
View
14 more retailers have this diamond
Prices start from HK$8,167 HKDSave up to HK$17,790 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
0.90ct Heart
HK$8,167 HKD