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Radiant|Natural|GIA

1.50ct K SI2 Radiant Natural Diamond

VG • K/SI2 • GIA 2434859923

Certificate GIA 2434859923

Diamond specifications and retailer prices

From $3,790 AUD
As of November 7, 2026
Save $2,470 AUD (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,489 AUD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2434859923. Listed at 8 retailers as of November 4, 2026, with a 65% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
K
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2434859923
Dimensions7.00 × 5.50 × 3.94 mm
L/W Ratio1.27
Top View
7.00 mm5.50 mm1.50 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2434859923
Side View
Table 63.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 71.5%

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: Nov 7
Current: $3,790 AUD|Low: $3,716 AUD|High: $6,351 AUD|Avg: $4,811 AUD|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 7, 2026
Retailer 1$3,790 AUD
Retailer 2$4,449 AUD
Retailer 4$4,698 AUD
Retailer 3$6,260 AUD

43 data points across 4 retailers

8 retailers$3,790 AUD to $6,260 AUD

Retailer 1
-
$3,582 AUD
Price last confirmed 30 days ago
Retailer 2
-
$3,582 AUD
View
Price last confirmed 30 days ago
Retailer 3
-
$3,748 AUD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$3,790 AUD
View
Retailer 5
-
$4,133 AUD
View
Price last confirmed 39 days ago
B+
Retailer 6
-
$4,449 AUD
View
B+
Retailer 7
-
$6,260 AUD
View
Most Expensive
NZ Jewellers
422969af-9fc3-48b7-bfe5-a6d0b041b2a2 · Sep 30
$7,489 AUD
$5,146 USD
View
Price last confirmed 37 days ago
7 more retailers have this diamond
Prices start from $3,790 AUDSave up to $2,470 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
1.50ct Radiant
$3,790 AUD