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Round|Natural|GIA

0.80ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6505740011

Certificate GIA 6505740011

Diamond specifications and retailer prices

From HK$9,021 HKD
As of November 5, 2026
Save HK$22,964 HKD (72%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$31,984 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6505740011. Listed at 22 retailers as of November 5, 2026, with prices from HK$9,021 to HK$31,984, a HK$22,964 spread on the same certified stone. NZ Jewellers lists it at HK$31,984. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6505740011
Dimensions6.00 × 5.93 × 3.63 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
6.00 mm5.93 mm0.80 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6505740011
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

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$17,054 HKD|Low: HK$8,966 HKD|High: HK$23,246 HKD|Avg: HK$15,262 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5HK$9,021 HKD
Retailer 8HK$10,267 HKD
Retailer 2HK$11,012 HKD
Retailer 10HK$12,579 HKD
Retailer 3HK$14,468 HKD
Retailer 6HK$16,545 HKD
Retailer 1HK$17,054 HKD
Retailer 9HK$17,109 HKD
Retailer 4HK$19,398 HKD
Retailer 7HK$22,909 HKD

44 data points across 10 retailers

22 retailersHK$9,021 HKD to HK$31,984 HKD

A
Cheapest Retailer
-
HK$9,021 HKD
A
Retailer 2
-
HK$10,267 HKD
View
B+
Retailer 3
-
HK$10,682 HKD
View
B+
Retailer 4
-
HK$11,012 HKD
View
B+
Retailer 5
-
HK$11,349 HKD
View
Retailer 6
-
HK$11,881 HKD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
HK$11,881 HKD
View
B+
Retailer 8
-
HK$12,430 HKD
View
B+
Retailer 9
-
HK$12,579 HKD
View
B+
Retailer 10
-
HK$13,708 HKD
View
B
Retailer 11
-
HK$14,029 HKD
View
B
Retailer 12
-
HK$14,029 HKD
View
B
Retailer 13
-
HK$14,468 HKD
View
B
Retailer 14
-
HK$14,499 HKD
View
B+
Retailer 15
-
HK$14,922 HKD
View
B+
Retailer 16
-
HK$15,040 HKD
View
B+
Retailer 17
-
HK$16,545 HKD
View
Retailer 18
-
HK$17,054 HKD
View
Retailer 19
-
HK$17,109 HKD
View
Price last confirmed 33 days ago
B
Retailer 20
-
HK$19,398 HKD
View
B
Retailer 21
-
HK$22,909 HKD
View
Most Expensive
B
NZ Jewellers
5d76311d-2d68-49ab-82bd-e004cc0963ae · Nov 5
HK$31,984 HKD
$4,081 USD
View
21 more retailers have this diamond
Prices start from HK$9,021 HKDSave up to HK$22,964 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$9,021 HKD