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Round|Natural|GIA

0.80ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1565258810

Certificate GIA 1565258810

Diamond specifications and retailer prices

From HK$5,374 HKD
As of November 5, 2026
Save HK$17,307 HKD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$22,680 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 1565258810. Listed at 18 retailers as of November 5, 2026, with prices from HK$5,374 to HK$22,680, a HK$17,307 spread on the same certified stone. NZ Jewellers lists it at HK$22,680. 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 angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1565258810
Dimensions5.92 × 5.90 × 3.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
5.92 mm5.90 mm0.80 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565258810
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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$22,680 HKD|Low: HK$5,374 HKD|High: HK$23,292 HKD|Avg: HK$9,189 HKD|-2.6%
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
November 6, 2026
Retailer 12HK$5,374 HKD
Retailer 6HK$5,421 HKD
Retailer 15HK$6,512 HKD
Retailer 13HK$6,849 HKD
Retailer 17HK$7,084 HKD
Retailer 9HK$7,233 HKD
Retailer 7HK$7,382 HKD
Retailer 4HK$7,508 HKD
Retailer 10HK$7,547 HKD
Retailer 3HK$8,347 HKD
Retailer 14HK$8,410 HKD
Retailer 11HK$8,661 HKD
Retailer 2HK$9,061 HKD
Retailer 5HK$9,438 HKD
Retailer 16HK$10,293 HKD
Retailer 8HK$13,235 HKD
NZ JewellersHK$22,680 HKD

20 data points across 17 retailers

18 retailersHK$5,374 HKD to HK$22,680 HKD

A
Cheapest Retailer
-
HK$5,374 HKD
A
Retailer 2
-
HK$5,421 HKD
View
A
Retailer 3
-
HK$6,512 HKD
View
A
Retailer 4
-
HK$6,849 HKD
View
B+
Retailer 5
-
HK$7,084 HKD
View
A
Retailer 6
-
HK$7,233 HKD
View
A
Retailer 7
-
HK$7,288 HKD
View
A
Retailer 8
-
HK$7,382 HKD
View
A
Retailer 9
-
HK$7,508 HKD
View
A
Retailer 10
-
HK$7,547 HKD
View
A
Retailer 11
-
HK$8,347 HKD
View
A
Retailer 12
-
HK$8,410 HKD
View
B+
Retailer 13
-
HK$8,661 HKD
View
B+
Retailer 14
-
HK$9,061 HKD
View
B+
Retailer 15
-
HK$9,438 HKD
View
B+
Retailer 16
-
HK$10,293 HKD
View
B
Retailer 17
-
HK$13,235 HKD
View
Most Expensive
B
NZ Jewellers
214b6b38-044e-4aa1-9cbc-ba5cf0d2e0ac · Nov 5
HK$22,680 HKD
$2,891 USD
View
17 more retailers have this diamond
Prices start from HK$5,374 HKDSave up to HK$17,307 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$5,374 HKD