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Round|Natural|GIA

0.81ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 3425192437

Certificate GIA 3425192437

Diamond specifications and retailer prices

From HK$4,746 HKD
As of November 5, 2026
Save HK$14,922 HKD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$19,668 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 3425192437. Listed at 19 retailers as of November 5, 2026, with prices from HK$4,746 to HK$19,668, a HK$14,922 spread on the same certified stone. NZ Jewellers lists it at HK$19,668. 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
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 3425192437
Dimensions6.01 × 5.99 × 3.68 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.01 mm5.99 mm0.81 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3425192437
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.3%

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$19,668 HKD|Low: HK$4,746 HKD|High: HK$20,060 HKD|Avg: HK$7,838 HKD|-2.0%
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
November 6, 2026
Retailer 15HK$4,746 HKD
Retailer 10HK$4,817 HKD
Retailer 8HK$6,182 HKD
Retailer 3HK$6,268 HKD
Retailer 16HK$6,362 HKD
Retailer 9HK$6,410 HKD
Retailer 5HK$6,512 HKD
Retailer 18HK$6,527 HKD
Retailer 11HK$6,684 HKD
Retailer 4HK$7,233 HKD
Retailer 17HK$7,312 HKD
Retailer 12HK$7,382 HKD
Retailer 7HK$7,453 HKD
Retailer 14HK$7,516 HKD
Retailer 2HK$8,277 HKD
Retailer 13HK$8,339 HKD
Retailer 6HK$11,525 HKD
NZ JewellersHK$19,668 HKD

16 data points across 18 retailers

19 retailersHK$4,746 HKD to HK$19,668 HKD

A
Cheapest Retailer
-
HK$4,746 HKD
A
Retailer 2
-
HK$4,817 HKD
View
A
Retailer 3
-
HK$6,182 HKD
View
A
Retailer 4
-
HK$6,268 HKD
View
A
Retailer 5
-
HK$6,362 HKD
View
Retailer 6
-
HK$6,410 HKD
View
Price last confirmed 8 days ago
A
Retailer 7
-
HK$6,512 HKD
View
A
Retailer 8
-
HK$6,527 HKD
View
A
Retailer 9
-
HK$6,684 HKD
View
Retailer 10
-
HK$7,100 HKD
View
Price last confirmed 30 days ago
A
Retailer 11
-
HK$7,233 HKD
View
A
Retailer 12
-
HK$7,312 HKD
View
A
Retailer 13
-
HK$7,382 HKD
View
A
Retailer 14
-
HK$7,453 HKD
View
A
Retailer 15
-
HK$7,516 HKD
View
A
Retailer 16
-
HK$8,277 HKD
View
B+
Retailer 17
-
HK$8,339 HKD
View
B
Retailer 18
-
HK$11,525 HKD
View
Most Expensive
B
NZ Jewellers
e5fc6c79-4b1a-4ec2-b2f7-f794fd5eedf2 · Nov 5
HK$19,668 HKD
$2,507 USD
View
18 more retailers have this diamond
Prices start from HK$4,746 HKDSave up to HK$14,922 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$4,746 HKD