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Radiant|Natural|GIA

1.55ct K VVS1 Radiant Natural Diamond

ID • K/VVS1 • GIA 18

Certificate GIA 18

Diamond specifications and retailer prices

From $8,719 AUD
As of November 6, 2026
Save $2,272 AUD (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $10,991 AUD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.55ct natural radiant diamond

This 1.55ct natural radiant sits in the one-and-a-half to two 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 5, 2026, with prices from $8,719 to $10,991, a $2,272 spread on the same certified stone. Blue Nile lists it at $10,991. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
K
Colour
VVS1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 18
Dimensions8.02 × 6.02 × 3.80 mm
L/W Ratio1.33
Top View
8.02 mm6.02 mm1.55 ctK / VVS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 18
Side View
Table 66.0%CrownGirdle: VTK-VTKPavilionCulet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $10,991 AUD|Low: $8,719 AUD|High: $10,991 AUD|Avg: $9,447 AUD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2$8,719 AUD
Retailer 3$9,403 AUD
Blue Nile$10,991 AUD

2 data points across 3 retailers

3 retailers$8,719 AUD to $10,991 AUD

A
Cheapest Retailer
-
$8,719 AUD
B+
Retailer 2
-
$9,403 AUD
View
Most Expensive
B
Blue Nile
20109064 · Nov 5
$10,991 AUD
$7,552 USD
View
2 more retailers have this diamond
Prices start from $8,719 AUDSave up to $2,272 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
1.55ct Radiant
$8,719 AUD