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Round|Natural|GIA

0.80ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1557942728

Certificate GIA 1557942728

Diamond specifications and retailer prices

From HK$5,719 HKD
₹69,417 INR
As of November 1, 2026
Save HK$18,289 HKD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$24,008 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1557942728. Listed at 21 retailers as of October 30, 2026, with prices from HK$5,719 to HK$24,008, a HK$18,289 spread on the same certified stone. NZ Jewellers lists it at HK$24,008. 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

0.80
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1557942728
Dimensions5.85 × 5.90 × 3.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.85 mm5.90 mm0.80 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1557942728
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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$24,008 HKD|Low: HK$5,624 HKD|High: HK$24,808 HKD|Avg: HK$9,505 HKD|-3.2%
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
November 1, 2026
Retailer 2HK$5,719 HKD
Retailer 15HK$5,724 HKD
Retailer 9HK$6,943 HKD
Retailer 7HK$7,030 HKD
Retailer 14HK$7,587 HKD
Retailer 19HK$7,657 HKD
Retailer 10HK$7,806 HKD
Retailer 8HK$7,896 HKD
Retailer 3HK$7,924 HKD
Retailer 5HK$8,136 HKD
Retailer 6HK$8,277 HKD
Retailer 16HK$8,599 HKD
Retailer 13HK$8,813 HKD
Retailer 18HK$8,834 HKD
Retailer 4HK$9,509 HKD
Retailer 11HK$10,232 HKD
Retailer 17HK$11,281 HKD
Retailer 12HK$13,970 HKD
NZ JewellersHK$24,008 HKD

22 data points across 19 retailers

21 retailersHK$5,719 HKD to HK$24,008 HKD

A
Cheapest Retailer
-
HK$5,719 HKD
₹69,417 INR
A
Retailer 2
-
HK$5,724 HKD
View
Retailer 3
-
HK$6,943 HKD
$885 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
HK$7,030 HKD
$896 USD
View
Final sale: no returns
A
Retailer 5
-
HK$7,587 HKD
$967 USD
View
A
Retailer 6
-
HK$7,657 HKD
$976 USD
View
A
Retailer 7
-
HK$7,775 HKD
$991 USD
View
A
Retailer 8
-
HK$7,806 HKD
$995 USD
View
A
Retailer 9
-
HK$7,896 HKD
SGD 1,360 SGD
View
A
Retailer 10
-
HK$7,924 HKD
$1,010 USD
View
B+
Retailer 11
-
HK$8,136 HKD
$1,037 USD
View
B+
Retailer 12
-
HK$8,277 HKD
$1,055 USD
View
B+
Retailer 13
-
HK$8,599 HKD
$1,096 USD
View
B+
Retailer 14
-
HK$8,813 HKD
£884 GBP
View
B+
Retailer 15
-
HK$8,834 HKD
$1,126 USD
View
B+
Retailer 16
-
HK$9,509 HKD
$1,212 USD
View
Retailer 17
-
HK$10,232 HKD
€1,242 EUR
View
Price last confirmed 9 days ago
Retailer 18
-
HK$10,532 HKD
A$2,065 AUD
View
Price last confirmed 27 days ago
B+
Retailer 19
-
HK$11,281 HKD
ZAR 23,229 ZAR
View
B
Retailer 20
-
HK$13,970 HKD
£1,402 GBP
View
Most Expensive
B
NZ Jewellers
7ebaa711-c764-47f5-be3f-3f43d9fa341b · Oct 30
HK$24,008 HKD
$3,060 USD
View
20 more retailers have this diamond
Prices start from HK$5,719 HKDSave up to HK$18,289 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
0.80ct Round
HK$5,719 HKD