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Round|Natural|GIA

0.80ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2564438216

Certificate GIA 2564438216

Diamond specifications and retailer prices

From HK$5,423 HKD
As of October 30, 2026
Save HK$17,565 HKD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$22,988 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 top-tier cut grade and certified by GIA 2564438216. Listed at 19 retailers as of October 30, 2026, with prices from HK$5,423 to HK$22,988, a HK$17,565 spread on the same certified stone. NZ Jewellers lists it at HK$22,988. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2564438216
Dimensions5.88 × 5.91 × 3.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.88 mm5.91 mm0.80 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2564438216
Side View
Table 56.0%Crown 35.5°Girdle: STK-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: Oct 30
Current: HK$22,988 HKD|Low: HK$5,423 HKD|High: HK$23,608 HKD|Avg: HK$9,614 HKD|-2.6%
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
October 30, 2026
Retailer 13HK$5,423 HKD
Retailer 12HK$5,496 HKD
Retailer 2HK$6,743 HKD
Retailer 16HK$6,763 HKD
Retailer 5HK$7,398 HKD
Retailer 7HK$7,420 HKD
Retailer 9HK$7,540 HKD
Retailer 6HK$7,681 HKD
Retailer 8HK$7,728 HKD
Retailer 17HK$7,830 HKD
Retailer 4HK$8,536 HKD
Retailer 15HK$8,615 HKD
Retailer 11HK$8,669 HKD
Retailer 3HK$9,680 HKD
Retailer 14HK$9,758 HKD
Retailer 10HK$10,536 HKD
Retailer 18HK$13,621 HKD
NZ JewellersHK$22,988 HKD

21 data points across 18 retailers

19 retailersHK$5,423 HKD to HK$22,988 HKD

A
Cheapest Retailer
-
HK$5,423 HKD
A
Retailer 2
-
HK$5,496 HKD
₹66,719 INR
View
A
Retailer 3
-
HK$6,743 HKD
A$1,322 AUD
View
A
Retailer 4
-
HK$6,763 HKD
$862 USD
View
Final sale: no returns
A
Retailer 5
-
HK$7,398 HKD
$943 USD
View
A
Retailer 6
-
HK$7,420 HKD
SGD 1,278 SGD
View
A
Retailer 7
-
HK$7,453 HKD
$950 USD
View
A
Retailer 8
-
HK$7,540 HKD
$961 USD
View
A
Retailer 9
-
HK$7,681 HKD
$979 USD
View
A
Retailer 10
-
HK$7,728 HKD
SGD 1,331 SGD
View
A
Retailer 11
-
HK$7,830 HKD
$998 USD
View
B+
Retailer 12
-
HK$8,536 HKD
$1,088 USD
View
B+
Retailer 13
-
HK$8,615 HKD
£865 GBP
View
B+
Retailer 14
-
HK$8,669 HKD
£870 GBP
View
B+
Retailer 15
-
HK$9,680 HKD
€1,175 EUR
View
B+
Retailer 16
-
HK$9,758 HKD
£979 GBP
View
B+
Retailer 17
-
HK$10,536 HKD
$1,343 USD
View
B
Retailer 18
-
HK$13,621 HKD
£1,367 GBP
View
Most Expensive
B
NZ Jewellers
d7ae6c1e-494a-47a5-839e-20d3bc09c273 · Oct 30
HK$22,988 HKD
$2,930 USD
View
18 more retailers have this diamond
Prices start from HK$5,423 HKDSave up to HK$17,565 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$5,423 HKD