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Heart|Natural|GIA

0.91ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 2386674003

Certificate GIA 2386674003

Diamond specifications and retailer prices

From HK$9,239 HKD
As of November 1, 2026
Save HK$20,998 HKD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$30,237 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 J 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 2386674003. Listed at 19 retailers as of October 30, 2026, with prices from HK$9,239 to HK$30,237, a HK$20,998 spread on the same certified stone. NZ Jewellers lists it at HK$30,237. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2386674003
Dimensions6.69 × 6.10 × 3.55 mm
L/W Ratio1.10
Top View
6.69 mm6.10 mm0.91 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2386674003
Side View
Table 54.0%CrownGirdle: NULPavilionCulet: NoneDepth 58.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$13,887 HKD|Low: HK$9,139 HKD|High: HK$21,981 HKD|Avg: HK$14,846 HKD|+5.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3HK$9,239 HKD
Retailer 7HK$11,439 HKD
Retailer 4HK$11,494 HKD
Retailer 9HK$13,067 HKD
Retailer 1HK$13,887 HKD
Retailer 6HK$16,064 HKD
Retailer 8HK$16,177 HKD
Retailer 5HK$18,285 HKD
Retailer 2HK$21,722 HKD

43 data points across 9 retailers

19 retailersHK$9,239 HKD to HK$30,237 HKD

B+
Cheapest Retailer
-
HK$9,239 HKD
B
Retailer 2
-
HK$11,439 HKD
$1,458 USD
View
Final sale: no returns
B
Retailer 3
-
HK$11,494 HKD
$1,465 USD
View
B
Retailer 4
-
HK$11,494 HKD
$1,465 USD
View
B
Retailer 5
-
HK$12,396 HKD
$1,580 USD
View
B
Retailer 6
-
HK$12,396 HKD
$1,580 USD
View
B
Retailer 7
-
HK$12,889 HKD
SGD 2,220 SGD
View
B
Retailer 8
-
HK$12,969 HKD
$1,653 USD
View
B
Retailer 9
-
HK$13,067 HKD
$1,666 USD
View
B
Retailer 10
-
HK$13,887 HKD
£1,394 GBP
View
B
Retailer 11
-
HK$14,303 HKD
$1,823 USD
View
B
Retailer 12
-
HK$14,303 HKD
$1,823 USD
View
B
Retailer 13
-
HK$15,170 HKD
$1,934 USD
View
B
Retailer 14
-
HK$16,064 HKD
€1,950 EUR
View
Retailer 15
-
HK$16,177 HKD
A$3,172 AUD
View
Price last confirmed 27 days ago
B
Retailer 16
-
HK$17,848 HKD
$2,275 USD
View
B
Retailer 17
-
HK$18,285 HKD
ZAR 37,650 ZAR
View
B
Retailer 18
-
HK$21,722 HKD
£2,180 GBP
View
Most Expensive
C
NZ Jewellers
d8672238-7332-4ed4-a283-56bc9538d0f8 · Oct 30
HK$30,237 HKD
$3,854 USD
View
18 more retailers have this diamond
Prices start from HK$9,239 HKDSave up to HK$20,998 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.

B+
0.91ct Heart
HK$9,239 HKD