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Round|Natural|GIA

0.81ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 3505566471

Certificate GIA 3505566471

Diamond specifications and retailer prices

From HK$6,104 HKD
As of November 5, 2026
Save HK$13,031 HKD (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$19,134 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.81ct natural round diamond

This 0.81ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3505566471. Listed at 9 retailers as of November 5, 2026, with prices from HK$6,104 to HK$19,134, a HK$13,031 spread on the same certified stone. NZ Jewellers lists it at HK$19,134. 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

0.81
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3505566471
Dimensions5.93 × 5.95 × 3.73 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
5.93 mm5.95 mm0.81 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3505566471
Side View
Table 55.0%Crown 36.5°Girdle: Sli. ThickPavilion 40.6°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$19,134 HKD|Low: HK$6,104 HKD|High: HK$19,848 HKD|Avg: HK$9,001 HKD|-3.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 7HK$6,104 HKD
Retailer 9HK$6,245 HKD
Retailer 8HK$6,331 HKD
Retailer 11HK$6,331 HKD
Retailer 6HK$7,037 HKD
Retailer 2HK$7,367 HKD
Retailer 3HK$7,508 HKD
Retailer 4HK$8,567 HKD
Retailer 10HK$10,787 HKD
Retailer 5HK$11,164 HKD
NZ JewellersHK$19,134 HKD

28 data points across 11 retailers

9 retailersHK$6,104 HKD to HK$19,134 HKD

A
Cheapest Retailer
-
HK$6,104 HKD
A
Retailer 2
-
HK$6,245 HKD
View
A
Retailer 3
-
HK$6,331 HKD
View
A
Retailer 4
-
HK$7,037 HKD
View
A
Retailer 5
-
HK$7,367 HKD
View
B+
Retailer 6
-
HK$8,567 HKD
View
B
Retailer 7
-
HK$10,787 HKD
View
B
Retailer 8
-
HK$11,164 HKD
View
Most Expensive
C
NZ Jewellers
f82cbf11-ef89-490c-9c8e-28af64f274c3 · Nov 5
HK$19,134 HKD
$2,439 USD
View
8 more retailers have this diamond
Prices start from HK$6,104 HKDSave up to HK$13,031 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
0.81ct Round
HK$6,104 HKD