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Radiant|Natural|GIA

0.80ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 7551302759

Certificate GIA 7551302759

Diamond specifications and retailer prices

From HK$6,427 HKD
As of November 1, 2026
Save HK$14,952 HKD (70%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$21,380 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 I 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 7551302759. Listed at 19 retailers as of October 30, 2026, with prices from HK$6,427 to HK$21,380, a HK$14,952 spread on the same certified stone. NZ Jewellers lists it at HK$21,380. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle51.03°
Pavilion angle35.19°
OriginNatural
Grading LabGIA
CertificateGIA 7551302759
Dimensions7.03 × 4.65 × 2.89 mm
L/W Ratio1.51
Girdle conditionPolished
Key to symbols
Crystal, Feather
Top View
7.03 mm4.65 mm0.80 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7551302759
Side View
Table 69.0%Crown 51.03°Girdle: MED-STKPavilion 35.19°Culet: NoneDepth 62.2%

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: Nov 1
Current: HK$21,380 HKD|Low: HK$6,427 HKD|High: HK$21,380 HKD|Avg: HK$10,903 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
November 2, 2026
Retailer 4HK$6,427 HKD
Retailer 14HK$8,089 HKD
Retailer 13HK$8,146 HKD
Retailer 6HK$8,764 HKD
Retailer 2HK$8,914 HKD
Retailer 3HK$9,101 HKD
Retailer 8HK$9,307 HKD
Retailer 5HK$9,697 HKD
Retailer 12HK$9,705 HKD
Retailer 7HK$10,113 HKD
Retailer 16HK$11,185 HKD
Retailer 15HK$11,462 HKD
Retailer 9HK$12,283 HKD
Retailer 10HK$12,965 HKD
Retailer 11HK$16,072 HKD
NZ JewellersHK$21,380 HKD

41 data points across 16 retailers

19 retailersHK$6,427 HKD to HK$21,380 HKD

A
Cheapest Retailer
-
HK$6,427 HKD
A
Retailer 2
-
HK$8,089 HKD
$1,031 USD
View
Final sale: no returns
A
Retailer 3
-
HK$8,146 HKD
SGD 1,403 SGD
View
A
Retailer 4
-
HK$8,395 HKD
$1,070 USD
View
A
Retailer 5
-
HK$8,764 HKD
$1,117 USD
View
A
Retailer 6
-
HK$8,914 HKD
£895 GBP
View
A
Retailer 7
-
HK$8,970 HKD
SGD 1,545 SGD
View
A
Retailer 8
-
HK$9,101 HKD
$1,160 USD
View
A
Retailer 9
-
HK$9,307 HKD
$1,186 USD
View
A
Retailer 10
-
HK$9,697 HKD
$1,236 USD
View
A
Retailer 11
-
HK$9,705 HKD
$1,237 USD
View
B+
Retailer 12
-
HK$10,113 HKD
$1,289 USD
View
B+
Retailer 13
-
HK$11,213 HKD
$1,429 USD
View
Retailer 14
-
HK$11,462 HKD
A$2,248 AUD
View
Price last confirmed 28 days ago
B+
Retailer 15
-
HK$12,224 HKD
$1,558 USD
View
B+
Retailer 16
-
HK$12,283 HKD
€1,491 EUR
View
B+
Retailer 17
-
HK$12,965 HKD
ZAR 26,696 ZAR
View
Retailer 18
-
HK$16,072 HKD
£1,613 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
b14492d2-c045-4ea2-9893-c19dfcd2e950 · Oct 30
HK$21,380 HKD
$2,725 USD
View
18 more retailers have this diamond
Prices start from HK$6,427 HKDSave up to HK$14,952 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$6,427 HKD