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Heart|Natural|GIA

0.91ct F SI1 Heart Natural Diamond

ID • F/SI1 • GIA 6412283975

Certificate GIA 6412283975

Diamond specifications and retailer prices

From HK$9,596 HKD
$1,223 USD
As of November 2, 2026
Save HK$15,983 HKD (62%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$25,578 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.91ct natural heart diamond

This 0.91ct natural heart sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6412283975. Listed at 12 retailers as of October 30, 2026, with prices from HK$9,596 to HK$25,578, a HK$15,983 spread on the same certified stone. NZ Jewellers lists it at HK$25,578. 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
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6412283975
Dimensions5.59 × 6.55 × 4.23 mm
L/W Ratio1.17
Top View
5.59 mm6.55 mm0.91 ctF / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6412283975
Side View
Table 58.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 64.6%

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 2
Current: HK$25,578 HKD|Low: HK$9,596 HKD|High: HK$25,578 HKD|Avg: HK$13,715 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 10HK$9,596 HKD
Retailer 6HK$10,765 HKD
Retailer 3HK$11,455 HKD
Retailer 9HK$11,455 HKD
Retailer 11HK$11,848 HKD
Retailer 2HK$11,996 HKD
Retailer 8HK$11,997 HKD
Retailer 7HK$12,644 HKD
Retailer 5HK$14,386 HKD
Retailer 4HK$19,212 HKD
NZ JewellersHK$25,578 HKD

40 data points across 11 retailers

12 retailersHK$9,596 HKD to HK$25,578 HKD

A
Cheapest Retailer
-
HK$9,596 HKD
$1,223 USD
B+
Retailer 2
-
HK$10,765 HKD
$1,372 USD
View
B+
Retailer 3
-
HK$11,455 HKD
$1,460 USD
View
B+
Retailer 4
-
HK$11,455 HKD
$1,460 USD
View
B+
Retailer 5
-
HK$11,848 HKD
$1,510 USD
View
B+
Retailer 6
-
HK$11,996 HKD
£1,204 GBP
View
B+
Retailer 7
-
HK$11,997 HKD
$1,529 USD
View
Retailer 8
-
HK$12,644 HKD
£1,269 GBP
View
Price last confirmed 37 days ago
B+
Retailer 9
-
HK$14,386 HKD
CA$2,547 CAD
View
B
Retailer 10
-
HK$17,273 HKD
CA$3,058 CAD
View
B
Retailer 11
-
HK$19,212 HKD
£1,928 GBP
View
Most Expensive
B
NZ Jewellers
0b511d34-f01f-47c8-a762-6bc8371bfb2c · Oct 30
HK$25,578 HKD
$3,260 USD
View
11 more retailers have this diamond
Prices start from HK$9,596 HKDSave up to HK$15,983 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$9,596 HKD