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Round|Natural|GIA

0.80ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 6421965411

Certificate GIA 6421965411

Diamond specifications and retailer prices

From HK$5,122 HKD
As of October 30, 2026
Save HK$16,587 HKD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$21,709 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6421965411. Listed at 16 retailers as of October 30, 2026, with prices from HK$5,122 to HK$21,709, a HK$16,587 spread on the same certified stone. NZ Jewellers lists it at HK$21,709. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.80
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6421965411
Dimensions5.95 × 5.94 × 3.59 mm
L/W Ratio1.00
Top View
5.95 mm5.94 mm0.80 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6421965411
Side View
Table 59.0%CrownGirdle: SLI-THKPavilionCulet: NoneDepth 60.4%

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$21,709 HKD|Low: HK$5,122 HKD|High: HK$21,709 HKD|Avg: HK$8,536 HKD
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
October 30, 2026
Retailer 6HK$5,122 HKD
Retailer 17HK$5,580 HKD
Retailer 7HK$6,331 HKD
Retailer 8HK$6,355 HKD
Retailer 13HK$6,920 HKD
Retailer 15HK$6,920 HKD
Retailer 3HK$6,998 HKD
Retailer 14HK$7,187 HKD
Retailer 4HK$7,712 HKD
Retailer 5HK$7,966 HKD
Retailer 16HK$7,987 HKD
Retailer 10HK$8,046 HKD
Retailer 2HK$9,214 HKD
Retailer 11HK$9,746 HKD
Retailer 9HK$10,059 HKD
Retailer 12HK$12,694 HKD
NZ JewellersHK$21,709 HKD

27 data points across 17 retailers

16 retailersHK$5,122 HKD to HK$21,709 HKD

A
Cheapest Retailer
-
HK$5,122 HKD
B+
Retailer 2
-
HK$5,580 HKD
₹67,738 INR
View
B+
Retailer 3
-
HK$6,355 HKD
$810 USD
View
B+
Retailer 4
-
HK$6,920 HKD
$882 USD
View
B+
Retailer 5
-
HK$6,920 HKD
$882 USD
View
B+
Retailer 6
-
HK$6,998 HKD
$892 USD
View
B+
Retailer 7
-
HK$7,170 HKD
SGD 1,235 SGD
View
B+
Retailer 8
-
HK$7,187 HKD
$916 USD
View
B+
Retailer 9
-
HK$7,712 HKD
$983 USD
View
B+
Retailer 10
-
HK$7,966 HKD
$1,015 USD
View
B+
Retailer 11
-
HK$7,987 HKD
$1,018 USD
View
B+
Retailer 12
-
HK$8,046 HKD
£807 GBP
View
B+
Retailer 13
-
HK$9,214 HKD
£925 GBP
View
B+
Retailer 14
-
HK$9,746 HKD
€1,183 EUR
View
B
Retailer 15
-
HK$12,694 HKD
£1,274 GBP
View
Most Expensive
C
NZ Jewellers
59605a1a-8ec6-4eac-a1b0-3ae195eee41b · Oct 30
HK$21,709 HKD
$2,767 USD
View
15 more retailers have this diamond
Prices start from HK$5,122 HKDSave up to HK$16,587 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$5,122 HKD