Round|Natural|GIA

0.80ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1563515342

Certificate GIA 1563515342

Diamond specifications and retailer prices

From HK$5,306 HKD
As of November 5, 2026
Save HK$14,578 HKD (73%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$19,883 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1563515342. Listed at 5 retailers as of November 5, 2026, with prices from HK$5,306 to HK$19,883, a HK$14,578 spread on the same certified stone. NZ Jewellers lists it at HK$19,883. 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

0.80
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1563515342
Dimensions5.90 × 5.93 × 3.74 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud
Top View
5.90 mm5.93 mm0.80 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563515342
Side View
Table 56.0%Crown 36.5°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 63.1%

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 5
Current: HK$19,883 HKD|Low: HK$5,306 HKD|High: HK$20,330 HKD|Avg: HK$11,505 HKD|-2.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4HK$5,306 HKD
Retailer 2HK$7,469 HKD
Retailer 3HK$8,903 HKD
Retailer 5HK$9,374 HKD
NZ JewellersHK$19,883 HKD

21 data points across 5 retailers

5 retailersHK$5,306 HKD to HK$19,883 HKD

A
Cheapest Retailer
-
HK$5,306 HKD
A
Retailer 2
-
HK$7,469 HKD
View
B+
Retailer 3
-
HK$8,903 HKD
View
B+
Retailer 4
-
HK$9,374 HKD
View
Most Expensive
B
NZ Jewellers
fa7fd891-ab72-436a-9bef-0f3087487f8a · Nov 5
HK$19,883 HKD
$2,537 USD
View
4 more retailers have this diamond
Prices start from HK$5,306 HKDSave up to HK$14,578 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
0.80ct Round
HK$5,306 HKD