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Radiant|Natural|GIA

0.78ct J SI2 Radiant Natural Diamond

ID • J/SI2 • GIA 6462688282

Certificate GIA 6462688282

Diamond specifications and retailer prices

From HK$5,790 HKD
$738 USD
As of October 31, 2026
Save HK$5,768 HKD (50%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$11,559 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 0.78ct natural radiant diamond

This 0.78ct natural radiant sits in the just-under-one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6462688282. Listed at 7 retailers as of October 29, 2026, with prices from HK$5,790 to HK$11,559, a HK$5,768 spread on the same certified stone. MOH London lists it at HK$11,559. 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

0.78
Carat
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6462688282
Dimensions6.38 × 4.44 × 3.13 mm
L/W Ratio1.44
Top View
6.38 mm4.44 mm0.78 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6462688282
Side View
Table 70.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 70.5%

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 31
Current: HK$11,559 HKD|Low: HK$5,304 HKD|High: HK$11,559 HKD|Avg: HK$7,925 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7HK$5,790 HKD
Retailer 2HK$6,277 HKD
Retailer 9HK$6,363 HKD
Retailer 5HK$7,242 HKD
Retailer 4HK$7,551 HKD
Retailer 3HK$8,331 HKD
Retailer 6HK$8,881 HKD
Retailer 8HK$9,138 HKD
MOH LondonHK$11,559 HKD

7 data points across 9 retailers

7 retailersHK$5,790 HKD to HK$11,559 HKD

A
Cheapest Retailer
-
HK$5,790 HKD
$738 USD
Final sale: no returns
A
Retailer 2
-
HK$6,277 HKD
$800 USD
View
A
Retailer 3
-
HK$7,242 HKD
$923 USD
View
A
Retailer 4
-
HK$7,551 HKD
£758 GBP
View
B+
Retailer 5
-
HK$8,331 HKD
£836 GBP
View
B+
Retailer 6
-
HK$8,881 HKD
€1,078 EUR
View
Most Expensive
B
MOH London
1B02A5370 · Oct 29
HK$11,559 HKD
£1,160 GBP
View
6 more retailers have this diamond
Prices start from HK$5,790 HKDSave up to HK$5,768 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
0.78ct Radiant
HK$5,790 HKD