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Round|Natural|GIA

0.81ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6552400407

Certificate GIA 6552400407

Diamond specifications and retailer prices

From HK$8,466 HKD
$1,079 USD
As of November 1, 2026
Save HK$13,087 HKD (61%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$21,553 HKD at NZ Jewellers · As of November 2, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552400407. Listed at 15 retailers as of November 1, 2026, with prices from HK$8,466 to HK$21,553, a HK$13,087 spread on the same certified stone. NZ Jewellers lists it at HK$21,553. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6552400407
Dimensions5.90 × 5.94 × 3.72 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Cloud
Top View
5.90 mm5.94 mm0.81 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552400407
Side View
Table 58.0%Crown 35°Girdle: MED-SLIPavilion 41.4°Culet: NoneDepth 62.9%

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 1
Current: HK$21,553 HKD|Low: HK$8,380 HKD|High: HK$21,553 HKD|Avg: HK$11,704 HKD|+1.0%
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
November 2, 2026
Retailer 13HK$8,466 HKD
Retailer 10HK$8,474 HKD
Retailer 3HK$8,835 HKD
Retailer 12HK$8,835 HKD
Retailer 6HK$10,019 HKD
Retailer 4HK$10,200 HKD
Retailer 11HK$10,463 HKD
Retailer 2HK$11,141 HKD
Retailer 5HK$11,439 HKD
Retailer 7HK$12,325 HKD
Retailer 9HK$13,071 HKD
Retailer 8HK$16,182 HKD
NZ JewellersHK$21,553 HKD

34 data points across 13 retailers

15 retailersHK$8,466 HKD to HK$21,553 HKD

A
Cheapest Retailer
-
HK$8,466 HKD
$1,079 USD
A
Retailer 2
-
HK$8,474 HKD
$1,080 USD
View
Retailer 3
-
HK$8,474 HKD
$1,080 USD
View
Price last confirmed 39 days ago
A
Retailer 4
-
HK$8,835 HKD
$1,126 USD
View
A
Retailer 5
-
HK$8,835 HKD
$1,126 USD
View
A
Retailer 6
-
HK$9,180 HKD
$1,170 USD
View
A
Retailer 7
-
HK$10,019 HKD
£1,005 GBP
View
A
Retailer 8
-
HK$10,200 HKD
$1,300 USD
View
A
Retailer 9
-
HK$10,463 HKD
£1,050 GBP
View
A
Retailer 10
-
HK$11,141 HKD
£1,118 GBP
View
Retailer 11
-
HK$11,439 HKD
A$2,243 AUD
View
Price last confirmed 28 days ago
B+
Retailer 12
-
HK$12,325 HKD
€1,496 EUR
View
B+
Retailer 13
-
HK$13,071 HKD
ZAR 26,913 ZAR
View
B+
Retailer 14
-
HK$16,182 HKD
£1,624 GBP
View
Most Expensive
B
NZ Jewellers
a8059c2e-eda3-4644-a80a-cce512508ee5 · Nov 2
HK$21,553 HKD
$2,747 USD
View
14 more retailers have this diamond
Prices start from HK$8,466 HKDSave up to HK$13,087 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$8,466 HKD