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Round|Natural|GIA

0.80ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6562365475

Certificate GIA 6562365475

Diamond specifications and retailer prices

From HK$6,145 HKD
As of November 5, 2026
Save HK$13,982 HKD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$20,126 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 6562365475. Listed at 12 retailers as of November 5, 2026, with prices from HK$6,145 to HK$20,126, a HK$13,982 spread on the same certified stone. NZ Jewellers lists it at HK$20,126. 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°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6562365475
Dimensions5.88 × 5.94 × 3.70 mm
L/W Ratio1.01
Girdle conditionMedium to Slightly Thick
Key to symbols
Crystal
Top View
5.88 mm5.94 mm0.80 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562365475
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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$20,126 HKD|Low: HK$6,113 HKD|High: HK$20,816 HKD|Avg: HK$10,161 HKD|-3.3%
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 6, 2026
Retailer 7HK$6,145 HKD
Retailer 12HK$6,215 HKD
Retailer 4HK$6,489 HKD
Retailer 11HK$8,253 HKD
Retailer 3HK$8,261 HKD
Retailer 10HK$8,566 HKD
Retailer 5HK$8,613 HKD
Retailer 2HK$10,345 HKD
Retailer 6HK$10,753 HKD
Retailer 8HK$10,988 HKD
Retailer 9HK$15,087 HKD
NZ JewellersHK$20,126 HKD

27 data points across 12 retailers

12 retailersHK$6,145 HKD to HK$20,126 HKD

A
Cheapest Retailer
-
HK$6,145 HKD
A
Retailer 2
-
HK$6,215 HKD
View
A
Retailer 3
-
HK$6,489 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$8,253 HKD
View
A
Retailer 5
-
HK$8,261 HKD
View
A
Retailer 6
-
HK$8,566 HKD
View
A
Retailer 7
-
HK$8,613 HKD
View
B+
Retailer 8
-
HK$10,345 HKD
View
B+
Retailer 9
-
HK$10,753 HKD
View
B+
Retailer 10
-
HK$10,988 HKD
View
B
Retailer 11
-
HK$15,087 HKD
View
Most Expensive
B
NZ Jewellers
cf8a2cad-b570-4757-824a-4f71bdfa96b6 · Nov 5
HK$20,126 HKD
$2,568 USD
View
11 more retailers have this diamond
Prices start from HK$6,145 HKDSave up to HK$13,982 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$6,145 HKD