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Round|Natural|GIA

0.80ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2131949447

Certificate GIA 2131949447

Diamond specifications and retailer prices

From HK$6,025 HKD
As of October 30, 2026
Save HK$13,801 HKD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$19,826 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 2131949447. Listed at 16 retailers as of October 30, 2026, with prices from HK$6,025 to HK$19,826, a HK$13,801 spread on the same certified stone. NZ Jewellers lists it at HK$19,826. 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
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2131949447
Dimensions6.00 × 5.97 × 3.67 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Key to symbols
Crystal, Cloud, Knot
Top View
6.00 mm5.97 mm0.80 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2131949447
Side View
Table 58.0%Crown 34.5°Girdle: THN-SLIPavilion 41.2°Culet: NoneDepth 61.2%

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$19,826 HKD|Low: HK$6,025 HKD|High: HK$19,826 HKD|Avg: HK$9,661 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
October 31, 2026
Retailer 5HK$6,025 HKD
Retailer 6HK$6,920 HKD
Retailer 15HK$7,500 HKD
Retailer 7HK$7,532 HKD
Retailer 11HK$8,128 HKD
Retailer 13HK$8,128 HKD
Retailer 12HK$8,442 HKD
Retailer 3HK$8,740 HKD
Retailer 4HK$9,179 HKD
Retailer 14HK$9,383 HKD
Retailer 2HK$9,456 HKD
Retailer 8HK$10,822 HKD
Retailer 9HK$11,410 HKD
Retailer 10HK$14,966 HKD
NZ JewellersHK$19,826 HKD

31 data points across 15 retailers

16 retailersHK$6,025 HKD to HK$19,826 HKD

A
Cheapest Retailer
-
HK$6,025 HKD
A
Retailer 2
-
HK$7,500 HKD
$956 USD
View
Final sale: no returns
A
Retailer 3
-
HK$7,532 HKD
$960 USD
View
B+
Retailer 4
-
HK$7,948 HKD
$1,013 USD
View
B+
Retailer 5
-
HK$8,128 HKD
$1,036 USD
View
B+
Retailer 6
-
HK$8,128 HKD
$1,036 USD
View
B+
Retailer 7
-
HK$8,407 HKD
SGD 1,448 SGD
View
B+
Retailer 8
-
HK$8,442 HKD
$1,076 USD
View
B+
Retailer 9
-
HK$8,740 HKD
$1,114 USD
View
B+
Retailer 10
-
HK$9,179 HKD
$1,170 USD
View
B+
Retailer 11
-
HK$9,383 HKD
$1,196 USD
View
B+
Retailer 12
-
HK$9,456 HKD
£949 GBP
View
B+
Retailer 13
-
HK$10,822 HKD
£1,086 GBP
View
B
Retailer 14
-
HK$11,410 HKD
€1,385 EUR
View
B
Retailer 15
-
HK$14,966 HKD
£1,502 GBP
View
Most Expensive
B
NZ Jewellers
b9a4b255-14d6-4493-9a5c-3ba71835016e · Oct 30
HK$19,826 HKD
$2,527 USD
View
15 more retailers have this diamond
Prices start from HK$6,025 HKDSave up to HK$13,801 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$6,025 HKD