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Radiant|Natural|GIA

1.23ct K VVS1 Radiant Natural Diamond

ID • K/VVS1 • GIA 5

Certificate GIA 5

Diamond specifications and retailer prices

From $4,155 AUD
As of November 4, 2026
Save $1,100 AUD (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,255 AUD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.23ct natural radiant diamond

This 1.23ct natural radiant sits in the classic one-carat band, graded K colour (faint-tinted) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of November 4, 2026, with prices from $4,155 to $5,255, a $1,100 spread on the same certified stone. Blue Nile lists it at $5,255. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
K
Colour
VVS1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5
Dimensions7.34 × 5.52 × 3.79 mm
L/W Ratio1.33
Top View
7.34 mm5.52 mm1.23 ctK / VVS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5
Side View
Table 68.0%CrownGirdle: MediumPavilionCulet: NoneDepth 68.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,255 AUD|Low: $4,155 AUD|High: $5,255 AUD|Avg: $4,397 AUD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 3$4,155 AUD
Retailer 2$4,210 AUD
Blue Nile$5,255 AUD

2 data points across 3 retailers

3 retailers$4,155 AUD to $5,255 AUD

B+
Cheapest Retailer
-
$4,155 AUD
B+
Retailer 2
-
$4,210 AUD
View
Most Expensive
B
Blue Nile
28574429 · Nov 5
$5,255 AUD
$3,611 USD
View
2 more retailers have this diamond
Prices start from $4,155 AUDSave up to $1,100 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.

B+
1.23ct Radiant
$4,155 AUD