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Heart|Natural|GIA

0.91ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 5556326450

Certificate GIA 5556326450

Diamond specifications and retailer prices

From HK$6,512 HKD
$830 USD
As of November 1, 2026
Save HK$14,368 HKD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$20,881 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 5556326450. Listed at 15 retailers as of November 1, 2026, with prices from HK$6,512 to HK$20,881, a HK$14,368 spread on the same certified stone. Moon Ocean lists it at HK$20,881. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5556326450
Dimensions6.65 × 5.58 × 4.03 mm
L/W Ratio1.19
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Etch Channel, Crystal, Needle, Indented Natural
Top View
6.65 mm5.58 mm0.91 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5556326450
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 60.6%

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$20,881 HKD|Low: HK$5,367 HKD|High: HK$21,003 HKD|Avg: HK$10,241 HKD|+0.8%
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
November 2, 2026
Retailer 7HK$6,512 HKD
Retailer 8HK$6,669 HKD
Retailer 5HK$6,685 HKD
Retailer 6HK$6,944 HKD
Retailer 14HK$7,313 HKD
Retailer 16HK$7,313 HKD
Retailer 15HK$7,595 HKD
Retailer 9HK$8,261 HKD
Retailer 17HK$8,293 HKD
Retailer 12HK$8,435 HKD
Retailer 3HK$8,945 HKD
Retailer 18HK$8,945 HKD
Retailer 4HK$9,180 HKD
Retailer 10HK$10,679 HKD
Retailer 11HK$11,320 HKD
Retailer 2HK$14,777 HKD
Retailer 13HK$19,678 HKD
Moon OceanHK$20,881 HKD

26 data points across 18 retailers

15 retailersHK$6,512 HKD to HK$20,881 HKD

A
Cheapest Retailer
-
HK$6,512 HKD
$830 USD
A
Retailer 2
-
HK$6,669 HKD
$850 USD
View
A
Retailer 3
-
HK$6,944 HKD
$885 USD
View
A
Retailer 4
-
HK$7,313 HKD
$932 USD
View
A
Retailer 5
-
HK$7,313 HKD
$932 USD
View
A
Retailer 6
-
HK$7,595 HKD
$968 USD
View
A
Retailer 7
-
HK$8,293 HKD
$1,057 USD
View
A
Retailer 8
-
HK$8,435 HKD
$1,075 USD
View
A
Retailer 9
-
HK$8,945 HKD
$1,140 USD
View
A
Retailer 10
-
HK$8,945 HKD
$1,140 USD
View
A
Retailer 11
-
HK$9,180 HKD
$1,170 USD
View
B+
Retailer 12
-
HK$11,320 HKD
€1,374 EUR
View
B+
Retailer 13
-
HK$14,777 HKD
£1,483 GBP
View
B
Retailer 14
-
HK$19,678 HKD
$2,508 USD
View
Most Expensive
B
Moon Ocean
NVN-FF42C4091-450 · Nov 2
HK$20,881 HKD
£2,096 GBP
View
14 more retailers have this diamond
Prices start from HK$6,512 HKDSave up to HK$14,368 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$6,512 HKD