Round|Natural|IGI

0.81ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 651459938

Shape and cutting style on the report: Round brilliant

Certificate IGI 651459938

Diamond specifications and retailer prices

From HK$5,358 HKD
As of November 6, 2026
Save HK$8,214 HKD (61%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$13,572 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 IGI 651459938. Listed at 5 retailers as of November 5, 2026, with prices from HK$5,358 to HK$13,572, a HK$8,214 spread on the same certified stone. NZ Jewellers lists it at HK$13,572. 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 angle36.1°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 651459938
Dimensions5.94 × 5.95 × 3.71 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.94 mm5.95 mm0.81 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 651459938
Side View
Table 57.0%Crown 36.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: HK$13,572 HKD|Low: HK$5,225 HKD|High: HK$13,698 HKD|Avg: HK$7,433 HKD|-0.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 5HK$5,358 HKD
Retailer 2HK$5,374 HKD
Retailer 3HK$6,410 HKD
Retailer 6HK$6,841 HKD
Retailer 4HK$10,050 HKD
NZ JewellersHK$13,572 HKD

24 data points across 6 retailers

5 retailersHK$5,358 HKD to HK$13,572 HKD

A
Cheapest Retailer
-
HK$5,358 HKD
A
Retailer 2
-
HK$5,374 HKD
View
A
Retailer 3
-
HK$6,410 HKD
View
Retailer 4
-
HK$10,050 HKD
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
b2cb64f7-1b48-472c-979f-e062d6fb1685 · Nov 5
HK$13,572 HKD
$1,730 USD
View
4 more retailers have this diamond
Prices start from HK$5,358 HKDSave up to HK$8,214 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$5,358 HKD