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Radiant|Natural|GIA

1.50ct K SI1 Radiant Natural Diamond

GD • K/SI1 • GIA 2384354588

Certificate GIA 2384354588

Diamond specifications and retailer prices

From $8,802 AUD
As of November 5, 2026
Save $10,205 AUD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $19,008 AUD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2384354588. Listed at 16 retailers as of November 5, 2026, with prices from $8,802 to $19,008, a $10,205 spread on the same certified stone. NZ Jewellers lists it at $19,008. 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
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2384354588
Dimensions7.27 × 5.81 × 4.00 mm
L/W Ratio1.25
Top View
7.27 mm5.81 mm1.50 ctK / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2384354588
Side View
Table 65.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $19,008 AUD|Low: $8,572 AUD|High: $19,008 AUD|Avg: $12,290 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 6$8,572 AUD
Retailer 9$9,504 AUD
Retailer 8$10,295 AUD
Retailer 7$10,454 AUD
Retailer 2$10,608 AUD
Retailer 3$11,703 AUD
Retailer 4$13,866 AUD
Retailer 5$15,795 AUD
NZ Jewellers$19,008 AUD

45 data points across 9 retailers

16 retailers$8,802 AUD to $19,008 AUD

Retailer 1
-
$8,572 AUD
Price last confirmed 10 days ago
B
Retailer 2
-
$8,802 AUD
View
B
Retailer 3
-
$8,980 AUD
View
Retailer 4
-
$9,504 AUD
View
Price last confirmed 9 days ago
B
Retailer 5
-
$9,533 AUD
View
B
Retailer 6
-
$9,584 AUD
View
B
Retailer 7
-
$10,295 AUD
View
B
Retailer 8
-
$10,454 AUD
View
B
Retailer 9
-
$10,608 AUD
View
C
Retailer 10
-
$10,865 AUD
View
B
Retailer 11
-
$11,703 AUD
View
C
Retailer 12
-
$11,880 AUD
View
Retailer 13
-
$12,519 AUD
View
Price last confirmed 15 days ago
C
Retailer 14
-
$13,866 AUD
View
C
Retailer 15
-
$15,795 AUD
View
Most Expensive
C
NZ Jewellers
83aa16f6-a14e-4387-b460-39e5658e6fe3 · Nov 5
$19,008 AUD
$13,060 USD
View
15 more retailers have this diamond
Prices start from $8,802 AUDSave up to $10,205 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
1.50ct Radiant
$8,802 AUD