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Round|Natural|GIA

0.81ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2566552396

Certificate GIA 2566552396

Diamond specifications and retailer prices

From HK$9,039 HKD
As of October 30, 2026
Save HK$21,169 HKD (70%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$30,207 HKD at NZ Jewellers · As of October 27, 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 2566552396. Listed at 19 retailers as of October 27, 2026, with prices from HK$9,039 to HK$30,207, a HK$21,169 spread on the same certified stone. NZ Jewellers lists it at HK$30,207. 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 angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2566552396
Dimensions5.94 × 5.99 × 3.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.94 mm5.99 mm0.81 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566552396
Side View
Table 57.0%Crown 35.5°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.0%

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$30,207 HKD|Low: HK$9,039 HKD|High: HK$30,623 HKD|Avg: HK$14,313 HKD|-1.4%
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
Retailer 19
Retailer 20
October 29, 2026
Retailer 13HK$9,039 HKD
Retailer 4HK$9,217 HKD
Retailer 10HK$10,791 HKD
Retailer 11HK$10,867 HKD
Retailer 14HK$11,113 HKD
Retailer 19HK$11,267 HKD
Retailer 5HK$11,432 HKD
Retailer 12HK$11,455 HKD
Retailer 20HK$12,216 HKD
Retailer 18HK$12,577 HKD
Retailer 17HK$12,773 HKD
Retailer 2HK$13,691 HKD
Retailer 3HK$14,199 HKD
Retailer 8HK$14,288 HKD
Retailer 6HK$15,101 HKD
Retailer 15HK$15,488 HKD
Retailer 9HK$16,164 HKD
Retailer 7HK$17,617 HKD
Retailer 16HK$21,513 HKD
NZ JewellersHK$30,207 HKD

14 data points across 20 retailers

19 retailersHK$9,039 HKD to HK$30,207 HKD

A
Cheapest Retailer
-
HK$9,039 HKD
A
Retailer 2
-
HK$9,217 HKD
₹111,878 INR
View
Retailer 3
-
HK$10,791 HKD
€1,310 EUR
View
Price last confirmed 7 days ago
Retailer 4
-
HK$10,867 HKD
$1,385 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$11,113 HKD
SGD 1,914 SGD
View
A
Retailer 6
-
HK$11,432 HKD
$1,457 USD
View
Retailer 7
-
HK$11,455 HKD
$1,460 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
HK$12,216 HKD
$1,557 USD
View
B+
Retailer 9
-
HK$12,577 HKD
$1,603 USD
View
B+
Retailer 10
-
HK$12,773 HKD
$1,628 USD
View
B+
Retailer 11
-
HK$13,691 HKD
£1,374 GBP
View
B+
Retailer 12
-
HK$14,199 HKD
£1,425 GBP
View
B+
Retailer 13
-
HK$14,288 HKD
$1,821 USD
View
B+
Retailer 14
-
HK$15,101 HKD
$1,925 USD
View
B+
Retailer 15
-
HK$15,488 HKD
£1,554 GBP
View
B+
Retailer 16
-
HK$16,164 HKD
€1,962 EUR
View
B
Retailer 17
-
HK$17,617 HKD
$2,245 USD
View
B
Retailer 18
-
HK$21,513 HKD
£2,159 GBP
View
Most Expensive
B
NZ Jewellers
ba830a23-84f6-4e09-9c15-3ec86336003d · Oct 27
HK$30,207 HKD
$3,850 USD
View
18 more retailers have this diamond
Prices start from HK$9,039 HKDSave up to HK$21,169 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$9,039 HKD