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Heart|Natural|GIA

0.91ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 6422785889

Certificate GIA 6422785889

Diamond specifications and retailer prices

From HK$4,710 HKD
₹57,180 INR
As of October 31, 2026
Save HK$16,583 HKD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$21,293 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6422785889. Listed at 12 retailers as of October 30, 2026, with prices from HK$4,710 to HK$21,293, a HK$16,583 spread on the same certified stone. NZ Jewellers lists it at HK$21,293. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6422785889
Dimensions6.02 × 6.80 × 3.72 mm
L/W Ratio1.13
Top View
6.02 mm6.80 mm0.91 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6422785889
Side View
Table 59.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 54.8%

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: Oct 31
Current: HK$21,293 HKD|Low: HK$4,698 HKD|High: HK$21,293 HKD|Avg: HK$8,274 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6HK$4,710 HKD
Retailer 11HK$6,261 HKD
Retailer 3HK$6,787 HKD
Retailer 8HK$6,787 HKD
Retailer 10HK$7,053 HKD
Retailer 4HK$7,273 HKD
Retailer 7HK$7,331 HKD
Retailer 9HK$7,830 HKD
Retailer 12HK$7,830 HKD
Retailer 2HK$7,930 HKD
Retailer 5HK$12,435 HKD
NZ JewellersHK$21,293 HKD

46 data points across 12 retailers

12 retailersHK$4,710 HKD to HK$21,293 HKD

A
Cheapest Retailer
-
HK$4,710 HKD
₹57,180 INR
B+
Retailer 2
-
HK$6,261 HKD
$798 USD
View
Final sale: no returns
B+
Retailer 3
-
HK$6,787 HKD
$865 USD
View
B+
Retailer 4
-
HK$6,787 HKD
$865 USD
View
B+
Retailer 5
-
HK$7,053 HKD
$899 USD
View
B+
Retailer 6
-
HK$7,273 HKD
$927 USD
View
B+
Retailer 7
-
HK$7,331 HKD
View
B+
Retailer 8
-
HK$7,830 HKD
$998 USD
View
B+
Retailer 9
-
HK$7,830 HKD
$998 USD
View
B+
Retailer 10
-
HK$7,930 HKD
£796 GBP
View
B
Retailer 11
-
HK$12,435 HKD
£1,248 GBP
View
Most Expensive
C
NZ Jewellers
2c7408f0-9f52-4fcb-9dbf-fc06c94a9e56 · Oct 30
HK$21,293 HKD
$2,714 USD
View
11 more retailers have this diamond
Prices start from HK$4,710 HKDSave up to HK$16,583 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$4,710 HKD