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Round|Natural|GIA

0.81ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2566286977

Certificate GIA 2566286977

Diamond specifications and retailer prices

From HK$8,135 HKD
As of October 30, 2026
Save HK$11,994 HKD (60%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$26,865 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 2566286977. Listed at 18 retailers as of October 29, 2026, with a 147% 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 angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2566286977
Dimensions5.93 × 5.96 × 3.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.93 mm5.96 mm0.81 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566286977
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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: Oct 30
Current: HK$12,193 HKD|Low: HK$8,135 HKD|High: HK$20,417 HKD|Avg: HK$12,444 HKD|+1.4%
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
October 29, 2026
Retailer 13HK$8,135 HKD
Retailer 10HK$8,243 HKD
Retailer 12HK$9,598 HKD
Retailer 14HK$9,690 HKD
Retailer 3HK$10,010 HKD
Retailer 5HK$10,082 HKD
Retailer 4HK$11,392 HKD
Retailer 1HK$12,193 HKD
Retailer 11HK$12,609 HKD
Retailer 2HK$12,954 HKD
Retailer 7HK$13,860 HKD
Retailer 9HK$14,302 HKD
Retailer 6HK$15,729 HKD
Retailer 8HK$20,128 HKD

30 data points across 14 retailers

18 retailersHK$8,135 HKD to HK$20,128 HKD

A
Cheapest Retailer
-
HK$8,135 HKD
A
Retailer 2
-
HK$8,243 HKD
₹100,061 INR
View
Retailer 3
-
HK$9,598 HKD
€1,165 EUR
View
Price last confirmed 7 days ago
Retailer 4
-
HK$9,690 HKD
$1,235 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$10,010 HKD
SGD 1,724 SGD
View
A
Retailer 6
-
HK$10,286 HKD
$1,311 USD
View
A
Retailer 7
-
HK$10,310 HKD
$1,314 USD
View
Retailer 8
-
HK$10,388 HKD
$1,324 USD
View
Price last confirmed 11 days ago
Retailer 9
-
HK$11,016 HKD
$1,404 USD
View
Price last confirmed 35 days ago
Retailer 10
-
HK$11,392 HKD
SGD 1,962 SGD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
HK$12,193 HKD
£1,224 GBP
View
B+
Retailer 12
-
HK$12,609 HKD
$1,607 USD
View
B+
Retailer 13
-
HK$12,954 HKD
£1,300 GBP
View
B+
Retailer 14
-
HK$13,860 HKD
£1,391 GBP
View
B+
Retailer 15
-
HK$14,302 HKD
€1,736 EUR
View
B+
Retailer 16
-
HK$15,729 HKD
$2,005 USD
View
B
Retailer 17
-
HK$20,128 HKD
£2,020 GBP
View
Most Expensive
NZ Jewellers
1c892efb-6e1d-4457-a0dc-4536c51c2335 · Sep 26
HK$26,865 HKD
$3,424 USD
View
Price last confirmed 37 days ago
17 more retailers have this diamond
Prices start from HK$8,135 HKDSave up to HK$11,994 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