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0.80ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6545006193

Certificate GIA 6545006193

Diamond specifications and retailer prices

From HK$4,840 HKD
As of November 5, 2026
Save HK$15,157 HKD (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$19,997 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545006193. Listed at 20 retailers as of November 5, 2026, with prices from HK$4,840 to HK$19,997, a HK$15,157 spread on the same certified stone. NZ Jewellers lists it at HK$19,997. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6545006193
Dimensions5.92 × 5.87 × 3.72 mm
L/W Ratio1.01
Top View
5.92 mm5.87 mm0.80 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545006193
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°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$19,997 HKD|Low: HK$4,840 HKD|High: HK$20,452 HKD|Avg: HK$8,055 HKD|-2.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 17HK$4,840 HKD
Retailer 12HK$4,919 HKD
Retailer 7HK$6,378 HKD
Retailer 9HK$6,464 HKD
Retailer 11HK$6,535 HKD
Retailer 20HK$6,621 HKD
Retailer 8HK$6,645 HKD
Retailer 13HK$6,810 HKD
Retailer 19HK$7,092 HKD
Retailer 10HK$7,359 HKD
Retailer 3HK$7,414 HKD
Retailer 6HK$7,516 HKD
Retailer 14HK$7,555 HKD
Retailer 16HK$7,665 HKD
Retailer 4HK$7,688 HKD
Retailer 2HK$7,994 HKD
Retailer 15HK$8,496 HKD
Retailer 18HK$9,430 HKD
Retailer 5HK$11,674 HKD
NZ JewellersHK$19,997 HKD

15 data points across 20 retailers

20 retailersHK$4,840 HKD to HK$19,997 HKD

A
Cheapest Retailer
-
HK$4,840 HKD
A
Retailer 2
-
HK$4,919 HKD
View
A
Retailer 3
-
HK$6,378 HKD
View
A
Retailer 4
-
HK$6,464 HKD
View
Retailer 5
-
HK$6,535 HKD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$6,621 HKD
View
A
Retailer 7
-
HK$6,645 HKD
View
A
Retailer 8
-
HK$6,810 HKD
View
B+
Retailer 9
-
HK$7,092 HKD
View
A
Retailer 10
-
HK$7,359 HKD
View
A
Retailer 11
-
HK$7,414 HKD
View
A
Retailer 12
-
HK$7,516 HKD
View
A
Retailer 13
-
HK$7,555 HKD
View
A
Retailer 14
-
HK$7,665 HKD
View
A
Retailer 15
-
HK$7,688 HKD
View
A
Retailer 16
-
HK$7,994 HKD
View
A
Retailer 17
-
HK$8,496 HKD
View
B+
Retailer 18
-
HK$9,430 HKD
View
B+
Retailer 19
-
HK$11,674 HKD
View
Most Expensive
B
NZ Jewellers
ef739d07-087a-4231-97c0-db4d0ff768af · Nov 5
HK$19,997 HKD
$2,549 USD
View
19 more retailers have this diamond
Prices start from HK$4,840 HKDSave up to HK$15,157 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$4,840 HKD