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Round|Natural|GIA

0.81ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1569019991

Certificate GIA 1569019991

Diamond specifications and retailer prices

From HK$8,135 HKD
As of November 1, 2026
Save HK$11,725 HKD (59%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$29,792 HKD at NZ Jewellers · As of September 26, 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 1569019991. Listed at 20 retailers as of November 1, 2026, with a 144% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceFaint
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1569019991
Dimensions6.00 × 6.03 × 3.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.00 mm6.03 mm0.81 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1569019991
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

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$8,141 HKD|Low: HK$8,034 HKD|High: HK$20,906 HKD|Avg: HK$12,786 HKD|-8.9%
Retailer 1
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
November 2, 2026
Retailer 10HK$8,135 HKD
Retailer 1HK$8,141 HKD
Retailer 6HK$9,809 HKD
Retailer 3HK$10,012 HKD
Retailer 14HK$10,129 HKD
Retailer 4HK$10,388 HKD
Retailer 11HK$10,619 HKD
Retailer 7HK$12,134 HKD
Retailer 12HK$12,854 HKD
Retailer 13HK$13,626 HKD
Retailer 8HK$14,145 HKD
Retailer 5HK$15,855 HKD
Retailer 2HK$17,874 HKD
Retailer 9HK$19,859 HKD

18 data points across 14 retailers

20 retailersHK$8,135 HKD to HK$19,859 HKD

A
Cheapest Retailer
-
HK$8,135 HKD
A
Retailer 2
-
HK$8,141 HKD
₹98,823 INR
View
Retailer 3
-
HK$9,809 HKD
€1,191 EUR
View
Price last confirmed 7 days ago
A
Retailer 4
-
HK$10,012 HKD
$1,276 USD
View
Final sale: no returns
A
Retailer 5
-
HK$10,129 HKD
$1,291 USD
View
A
Retailer 6
-
HK$10,388 HKD
$1,324 USD
View
A
Retailer 7
-
HK$10,619 HKD
SGD 1,829 SGD
View
Retailer 8
-
HK$12,044 HKD
$1,535 USD
View
Price last confirmed 25 days ago
B+
Retailer 9
-
HK$12,134 HKD
£1,218 GBP
View
Retailer 10
-
HK$12,216 HKD
$1,557 USD
View
Price last confirmed 34 days ago
B+
Retailer 11
-
HK$12,854 HKD
£1,290 GBP
View
B+
Retailer 12
-
HK$13,626 HKD
$1,737 USD
View
Retailer 13
-
HK$14,092 HKD
$1,796 USD
View
Price last confirmed 35 days ago
B+
Retailer 14
-
HK$14,145 HKD
€1,717 EUR
View
B+
Retailer 15
-
HK$14,423 HKD
A$2,828 AUD
View
Retailer 16
-
HK$15,855 HKD
$2,021 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
HK$17,874 HKD
CA$3,164 CAD
View
B
Retailer 18
-
HK$19,859 HKD
£1,993 GBP
View
Retailer 19
-
HK$29,368 HKD
$3,743 USD
View
Price last confirmed 30 days ago
Most Expensive
NZ Jewellers
9c2908cf-976e-434a-8b5a-331e032ff6f3 · Sep 26
HK$29,792 HKD
$3,797 USD
View
Price last confirmed 36 days ago
19 more retailers have this diamond
Prices start from HK$8,135 HKDSave up to HK$11,725 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$8,135 HKD