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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 $1,051 AUD
$738 USD
As of October 31, 2026
Save $1,047 AUD (50%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,097 AUD 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 $1,051 to $2,097, a $1,047 spread on the same certified stone. MOH London lists it at $2,097. 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: $2,097 AUD|Low: $962 AUD|High: $2,097 AUD|Avg: $1,438 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7$1,051 AUD
Retailer 2$1,139 AUD
Retailer 9$1,155 AUD
Retailer 5$1,314 AUD
Retailer 4$1,370 AUD
Retailer 3$1,512 AUD
Retailer 6$1,611 AUD
Retailer 8$1,658 AUD
MOH London$2,097 AUD

7 data points across 9 retailers

7 retailers$1,051 AUD to $2,097 AUD

A
Cheapest Retailer
-
$1,051 AUD
$738 USD
Final sale: no returns
A
Retailer 2
-
$1,139 AUD
$800 USD
View
A
Retailer 3
-
$1,314 AUD
$923 USD
View
A
Retailer 4
-
$1,370 AUD
£758 GBP
View
B+
Retailer 5
-
$1,512 AUD
£836 GBP
View
B+
Retailer 6
-
$1,611 AUD
€1,078 EUR
View
Most Expensive
B
MOH London
1B02A5370 · Oct 29
$2,097 AUD
£1,160 GBP
View
6 more retailers have this diamond
Prices start from $1,051 AUDSave up to $1,047 AUD

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
$1,051 AUD