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Heart|Natural|GIA

0.91ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 2556551345

Certificate GIA 2556551345

Diamond specifications and retailer prices

From HK$7,501 HKD
$956 USD
As of November 1, 2026
Save HK$16,371 HKD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$23,871 HKD at Moon Ocean · As of November 2, 2026
View at Moon Ocean

About this 0.91ct natural heart diamond

This 0.91ct natural heart sits in the just-under-one-carat band, graded I 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 2556551345. Listed at 15 retailers as of November 1, 2026, with prices from HK$7,501 to HK$23,871, a HK$16,371 spread on the same certified stone. Moon Ocean lists it at HK$23,871. 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

0.91
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556551345
Dimensions6.63 × 5.61 × 3.97 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
6.63 mm5.61 mm0.91 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556551345
Side View
Table 61.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 60.0%

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$23,871 HKD|Low: HK$6,763 HKD|High: HK$24,011 HKD|Avg: HK$11,713 HKD|-0.4%
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
November 2, 2026
Retailer 11HK$7,501 HKD
Retailer 7HK$7,689 HKD
Retailer 6HK$7,697 HKD
Retailer 14HK$8,356 HKD
Retailer 16HK$8,356 HKD
Retailer 15HK$8,678 HKD
Retailer 8HK$9,300 HKD
Retailer 17HK$9,431 HKD
Retailer 12HK$9,643 HKD
Retailer 3HK$10,121 HKD
Retailer 4HK$10,121 HKD
Retailer 5HK$10,435 HKD
Retailer 9HK$12,298 HKD
Retailer 2HK$12,901 HKD
Retailer 10HK$16,900 HKD
Retailer 13HK$22,503 HKD
Moon OceanHK$23,871 HKD

30 data points across 17 retailers

15 retailersHK$7,501 HKD to HK$23,871 HKD

A
Cheapest Retailer
-
HK$7,501 HKD
$956 USD
A
Retailer 2
-
HK$7,689 HKD
$980 USD
View
A
Retailer 3
-
HK$7,697 HKD
$981 USD
View
A
Retailer 4
-
HK$8,356 HKD
$1,065 USD
View
A
Retailer 5
-
HK$8,356 HKD
$1,065 USD
View
A
Retailer 6
-
HK$8,678 HKD
$1,106 USD
View
A
Retailer 7
-
HK$9,431 HKD
$1,202 USD
View
B+
Retailer 8
-
HK$9,643 HKD
$1,229 USD
View
B+
Retailer 9
-
HK$10,121 HKD
$1,290 USD
View
B+
Retailer 10
-
HK$10,121 HKD
$1,290 USD
View
B+
Retailer 11
-
HK$10,435 HKD
$1,330 USD
View
B+
Retailer 12
-
HK$12,901 HKD
€1,566 EUR
View
B
Retailer 13
-
HK$16,900 HKD
£1,696 GBP
View
B
Retailer 14
-
HK$22,503 HKD
$2,868 USD
View
Most Expensive
B
Moon Ocean
NVN-D9DE9C83B-345 · Nov 2
HK$23,871 HKD
£2,396 GBP
View
14 more retailers have this diamond
Prices start from HK$7,501 HKDSave up to HK$16,371 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
0.91ct Heart
HK$7,501 HKD