Radiant|Natural|GIA

0.80ct J SI1 Radiant Natural Diamond

ID • J/SI1 • GIA 2426519604

Certificate GIA 2426519604

Diamond specifications and retailer prices

From HK$7,030 HKD
As of November 1, 2026
Save HK$16,108 HKD (70%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$23,138 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.8ct natural radiant diamond

This 0.8ct natural radiant sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2426519604. Listed at 19 retailers as of October 30, 2026, with prices from HK$7,030 to HK$23,138, a HK$16,108 spread on the same certified stone. NZ Jewellers lists it at HK$23,138. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2426519604
Dimensions6.41 × 4.43 × 3.01 mm
L/W Ratio1.45
Top View
6.41 mm4.43 mm0.80 ctJ / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2426519604
Side View
Table 66.0%CrownGirdlePavilionCulet: NoneDepth 68.0%

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$23,138 HKD|Low: HK$7,030 HKD|High: HK$23,138 HKD|Avg: HK$11,339 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
November 2, 2026
Retailer 6HK$7,030 HKD
Retailer 7HK$8,254 HKD
Retailer 8HK$8,709 HKD
Retailer 3HK$8,756 HKD
Retailer 15HK$9,486 HKD
Retailer 16HK$9,486 HKD
Retailer 14HK$9,855 HKD
Retailer 4HK$9,894 HKD
Retailer 5HK$10,475 HKD
Retailer 9HK$10,542 HKD
Retailer 11HK$10,825 HKD
Retailer 17HK$10,945 HKD
Retailer 2HK$11,960 HKD
Retailer 10HK$13,264 HKD
Retailer 13HK$14,032 HKD
Retailer 12HK$17,378 HKD
NZ JewellersHK$23,138 HKD

27 data points across 17 retailers

19 retailersHK$7,030 HKD to HK$23,138 HKD

A
Cheapest Retailer
-
HK$7,030 HKD
B+
Retailer 2
-
HK$8,709 HKD
$1,110 USD
View
B+
Retailer 3
-
HK$8,756 HKD
$1,116 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$9,094 HKD
$1,159 USD
View
B+
Retailer 5
-
HK$9,486 HKD
$1,209 USD
View
B+
Retailer 6
-
HK$9,486 HKD
$1,209 USD
View
B+
Retailer 7
-
HK$9,807 HKD
SGD 1,689 SGD
View
B+
Retailer 8
-
HK$9,855 HKD
$1,256 USD
View
B+
Retailer 9
-
HK$9,894 HKD
$1,261 USD
View
B+
Retailer 10
-
HK$10,475 HKD
$1,335 USD
View
B
Retailer 11
-
HK$10,542 HKD
$1,344 USD
View
B
Retailer 12
-
HK$10,825 HKD
£1,086 GBP
View
B
Retailer 13
-
HK$10,945 HKD
$1,395 USD
View
B+
Retailer 14
-
HK$11,960 HKD
£1,200 GBP
View
B
Retailer 15
-
HK$12,011 HKD
$1,531 USD
View
B
Retailer 16
-
HK$13,264 HKD
€1,610 EUR
View
B
Retailer 17
-
HK$14,032 HKD
ZAR 28,892 ZAR
View
B
Retailer 18
-
HK$17,378 HKD
£1,744 GBP
View
Most Expensive
B
NZ Jewellers
adebee80-091a-4016-97bf-ebdc241404ca · Oct 30
HK$23,138 HKD
$2,949 USD
View
18 more retailers have this diamond
Prices start from HK$7,030 HKDSave up to HK$16,108 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 Radiant
HK$7,030 HKD