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0.80ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1389368358

Certificate GIA 1389368358

Diamond specifications and retailer prices

From HK$7,540 HKD
As of November 6, 2026
Save HK$17,046 HKD (69%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$24,586 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 1389368358. Listed at 18 retailers as of November 5, 2026, with prices from HK$7,540 to HK$24,586, a HK$17,046 spread on the same certified stone. NZ Jewellers lists it at HK$24,586. 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
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1389368358
Dimensions5.89 × 5.93 × 3.70 mm
L/W Ratio1.01
Top View
5.89 mm5.93 mm0.80 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1389368358
Side View
Table 57.0%Crown 35.5°Girdle: NULPavilion 40.8°Culet: NoneDepth 62.6%

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 6
Current: HK$7,540 HKD|Low: HK$7,540 HKD|High: HK$18,661 HKD|Avg: HK$12,794 HKD|-4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1HK$7,540 HKD
Retailer 3HK$11,262 HKD
Retailer 5HK$12,038 HKD
Retailer 2HK$12,634 HKD
Retailer 4HK$13,206 HKD
Retailer 6HK$14,907 HKD
Retailer 7HK$18,410 HKD

27 data points across 7 retailers

18 retailersHK$7,540 HKD to HK$24,586 HKD

A
Cheapest Retailer
-
HK$7,540 HKD
A
Retailer 2
-
HK$8,997 HKD
View
A
Retailer 3
-
HK$9,303 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$9,342 HKD
View
Retailer 5
-
HK$10,079 HKD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$10,079 HKD
View
B+
Retailer 7
-
HK$10,471 HKD
View
B+
Retailer 8
-
HK$10,972 HKD
View
B+
Retailer 9
-
HK$11,137 HKD
View
B+
Retailer 10
-
HK$11,262 HKD
View
B+
Retailer 11
-
HK$11,631 HKD
View
B+
Retailer 12
-
HK$12,038 HKD
View
B+
Retailer 13
-
HK$12,634 HKD
View
Retailer 14
-
HK$13,175 HKD
View
Price last confirmed 33 days ago
B+
Retailer 15
-
HK$13,206 HKD
View
B+
Retailer 16
-
HK$14,907 HKD
View
B
Retailer 17
-
HK$18,410 HKD
View
Most Expensive
B
NZ Jewellers
c840f667-effc-43a0-97e9-61d28b403e2e · Nov 5
HK$24,586 HKD
$3,137 USD
View
17 more retailers have this diamond
Prices start from HK$7,540 HKDSave up to HK$17,046 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$7,540 HKD