Heart|Natural|GIA

1.07ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 3445115587

Certificate GIA 3445115587

Diamond specifications and retailer prices

From HK$12,320 HKD
As of October 31, 2026
Save HK$23,481 HKD (66%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$35,801 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.07ct natural heart diamond

This 1.07ct natural heart sits in the classic 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 3445115587. Listed at 19 retailers as of October 31, 2026, with prices from HK$12,320 to HK$35,801, a HK$23,481 spread on the same certified stone. NZ Jewellers lists it at HK$35,801. 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

1.07
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3445115587
Dimensions5.97 × 6.94 × 4.10 mm
L/W Ratio1.16
Top View
5.97 mm6.94 mm1.07 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3445115587
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.0%

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: Oct 31
Current: HK$17,289 HKD|Low: HK$11,772 HKD|High: HK$30,354 HKD|Avg: HK$18,129 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10HK$12,320 HKD
Retailer 11HK$12,438 HKD
Retailer 8HK$15,056 HKD
Retailer 2HK$15,463 HKD
Retailer 12HK$15,800 HKD
Retailer 9HK$16,106 HKD
Retailer 1HK$17,289 HKD
Retailer 4HK$17,916 HKD
Retailer 5HK$18,598 HKD
Retailer 6HK$20,895 HKD
Retailer 3HK$21,051 HKD
Retailer 7HK$29,915 HKD

38 data points across 12 retailers

19 retailersHK$12,320 HKD to HK$35,801 HKD

A
Cheapest Retailer
-
HK$12,320 HKD
A
Retailer 2
-
HK$12,438 HKD
View
B+
Retailer 3
-
HK$15,056 HKD
View
B+
Retailer 4
-
HK$15,463 HKD
View
B+
Retailer 5
-
HK$15,800 HKD
View
Final sale: no returns
B+
Retailer 6
-
HK$16,106 HKD
View
Retailer 7
-
HK$17,125 HKD
View
Price last confirmed 9 days ago
B
Retailer 8
-
HK$17,125 HKD
View
B
Retailer 9
-
HK$17,242 HKD
View
B
Retailer 10
-
HK$17,289 HKD
View
B+
Retailer 11
-
HK$17,916 HKD
View
B+
Retailer 12
-
HK$18,206 HKD
View
B+
Retailer 13
-
HK$18,598 HKD
View
B
Retailer 14
-
HK$19,758 HKD
View
B
Retailer 15
-
HK$20,895 HKD
View
Retailer 16
-
HK$21,051 HKD
View
Price last confirmed 32 days ago
B
Retailer 17
-
HK$29,915 HKD
View
B
Retailer 18
-
HK$32,549 HKD
View
Most Expensive
B
NZ Jewellers
39219abc-b98c-4562-9a50-415b5bb7daf5 · Nov 5
HK$35,801 HKD
$4,568 USD
View
18 more retailers have this diamond
Prices start from HK$12,320 HKDSave up to HK$23,481 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
1.07ct Heart
HK$12,320 HKD