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Round|Natural|GIA

0.80ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2554042649

Certificate GIA 2554042649

Diamond specifications and retailer prices

From HK$7,406 HKD
$944 USD
As of October 31, 2026
Save HK$15,707 HKD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$23,113 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 2554042649. Listed at 19 retailers as of October 30, 2026, with prices from HK$7,406 to HK$23,113, a HK$15,707 spread on the same certified stone. NZ Jewellers lists it at HK$23,113. 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
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2554042649
Dimensions6.01 × 6.02 × 3.59 mm
L/W Ratio1.00
Top View
6.01 mm6.02 mm0.80 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554042649
Side View
Table 60.0%Crown 34°Girdle: MED-NULPavilion 40.8°Culet: NoneDepth 59.6%

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 31
Current: HK$12,242 HKD|Low: HK$7,406 HKD|High: HK$17,567 HKD|Avg: HK$12,165 HKD|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6HK$7,406 HKD
Retailer 8HK$9,839 HKD
Retailer 4HK$10,754 HKD
Retailer 2HK$11,949 HKD
Retailer 1HK$12,242 HKD
Retailer 7HK$12,392 HKD
Retailer 5HK$14,017 HKD
Retailer 3HK$17,357 HKD

38 data points across 8 retailers

19 retailersHK$7,406 HKD to HK$23,113 HKD

A
Cheapest Retailer
-
HK$7,406 HKD
$944 USD
Final sale: no returns
B+
Retailer 2
-
HK$8,458 HKD
$1,078 USD
View
B+
Retailer 3
-
HK$9,077 HKD
$1,157 USD
View
Retailer 4
-
HK$9,478 HKD
$1,208 USD
View
Price last confirmed 55 days ago
B+
Retailer 5
-
HK$9,478 HKD
$1,208 USD
View
B+
Retailer 6
-
HK$9,478 HKD
$1,208 USD
View
B+
Retailer 7
-
HK$9,839 HKD
$1,254 USD
View
B+
Retailer 8
-
HK$10,435 HKD
$1,330 USD
View
B+
Retailer 9
-
HK$10,532 HKD
$1,342 USD
View
B+
Retailer 10
-
HK$10,754 HKD
£1,079 GBP
View
Retailer 11
-
HK$10,937 HKD
$1,394 USD
View
Price last confirmed 55 days ago
B
Retailer 12
-
HK$10,937 HKD
$1,394 USD
View
B+
Retailer 13
-
HK$11,949 HKD
£1,199 GBP
View
B+
Retailer 14
-
HK$12,000 HKD
$1,529 USD
View
B+
Retailer 15
-
HK$12,242 HKD
€1,486 EUR
View
Retailer 16
-
HK$12,392 HKD
A$2,430 AUD
View
Price last confirmed 27 days ago
B
Retailer 17
-
HK$14,017 HKD
ZAR 28,863 ZAR
View
B
Retailer 18
-
HK$17,357 HKD
£1,742 GBP
View
Most Expensive
B
NZ Jewellers
5be44580-bda3-42c8-b841-bd20d652b34d · Oct 30
HK$23,113 HKD
$2,946 USD
View
18 more retailers have this diamond
Prices start from HK$7,406 HKDSave up to HK$15,707 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$7,406 HKD