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Heart|Natural|GIA

0.90ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 2557383760

Certificate GIA 2557383760

Diamond specifications and retailer prices

From HK$7,422 HKD
$946 USD
As of November 1, 2026
Save HK$16,021 HKD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$23,443 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557383760. Listed at 16 retailers as of October 30, 2026, with prices from HK$7,422 to HK$23,443, a HK$16,021 spread on the same certified stone. NZ Jewellers lists it at HK$23,443. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557383760
Dimensions6.63 × 5.99 × 3.91 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
6.63 mm5.99 mm0.90 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557383760
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.0%

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 1
Current: HK$23,443 HKD|Low: HK$7,061 HKD|High: HK$23,443 HKD|Avg: HK$11,503 HKD|+1.0%
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
Retailer 19
November 2, 2026
Retailer 16HK$7,422 HKD
Retailer 8HK$7,861 HKD
Retailer 9HK$8,003 HKD
Retailer 17HK$8,709 HKD
Retailer 19HK$8,709 HKD
Retailer 18HK$9,038 HKD
Retailer 10HK$9,584 HKD
Retailer 3HK$9,815 HKD
Retailer 11HK$9,925 HKD
Retailer 14HK$10,042 HKD
Retailer 4HK$10,513 HKD
Retailer 5HK$10,513 HKD
Retailer 6HK$10,827 HKD
Retailer 7HK$11,777 HKD
Retailer 12HK$13,428 HKD
Retailer 15HK$14,076 HKD
Retailer 13HK$17,606 HKD
Retailer 2HK$18,492 HKD
NZ JewellersHK$23,443 HKD

31 data points across 19 retailers

16 retailersHK$7,422 HKD to HK$23,443 HKD

A
Cheapest Retailer
-
HK$7,422 HKD
$946 USD
A
Retailer 2
-
HK$7,861 HKD
$1,002 USD
View
A
Retailer 3
-
HK$8,003 HKD
$1,020 USD
View
A
Retailer 4
-
HK$8,709 HKD
$1,110 USD
View
A
Retailer 5
-
HK$9,038 HKD
$1,152 USD
View
B+
Retailer 6
-
HK$9,815 HKD
$1,251 USD
View
B+
Retailer 7
-
HK$10,042 HKD
$1,280 USD
View
B+
Retailer 8
-
HK$10,513 HKD
$1,340 USD
View
B+
Retailer 9
-
HK$10,513 HKD
$1,340 USD
View
B+
Retailer 10
-
HK$10,827 HKD
$1,380 USD
View
Retailer 11
-
HK$11,777 HKD
£1,182 GBP
View
Price last confirmed 17 days ago
B+
Retailer 12
-
HK$13,428 HKD
€1,630 EUR
View
B+
Retailer 13
-
HK$14,076 HKD
ZAR 28,984 ZAR
View
B
Retailer 14
-
HK$17,606 HKD
£1,767 GBP
View
B
Retailer 15
-
HK$18,492 HKD
£1,856 GBP
View
Most Expensive
B
NZ Jewellers
815dda81-5c41-4345-81a9-9a65129d2c49 · Oct 30
HK$23,443 HKD
$2,988 USD
View
15 more retailers have this diamond
Prices start from HK$7,422 HKDSave up to HK$16,021 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$7,422 HKD