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Radiant|Natural|GIA

1.50ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 2477222684

Certificate GIA 2477222684

Diamond specifications and retailer prices

From $3,647 AUD
As of November 6, 2026
Save $5,049 AUD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,696 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2477222684. Listed at 15 retailers as of November 5, 2026, with prices from $3,647 to $8,696, a $5,049 spread on the same certified stone. NZ Jewellers lists it at $8,696. 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

1.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2477222684
Dimensions7.62 × 5.73 × 3.95 mm
L/W Ratio1.33
Culet sizeNone
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal
Top View
7.62 mm5.73 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2477222684
Side View
Table 68.0%CrownGirdlePavilionCulet: NoneDepth 68.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,696 AUD|Low: $3,647 AUD|High: $8,965 AUD|Avg: $4,899 AUD|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 7, 2026
Retailer 4$3,647 AUD
Retailer 3$3,726 AUD
Retailer 13$3,954 AUD
Retailer 8$4,034 AUD
Retailer 6$4,075 AUD
Retailer 7$4,160 AUD
Retailer 14$4,160 AUD
Retailer 5$4,320 AUD
Retailer 15$4,366 AUD
Retailer 2$4,403 AUD
Retailer 12$4,800 AUD
Retailer 9$4,842 AUD
Retailer 10$5,076 AUD
Retailer 11$7,267 AUD
NZ Jewellers$8,696 AUD

29 data points across 15 retailers

15 retailers$3,647 AUD to $8,696 AUD

A
Cheapest Retailer
-
$3,647 AUD
A
Retailer 2
-
$3,726 AUD
View
A
Retailer 3
-
$3,954 AUD
View
A
Retailer 4
-
$4,034 AUD
View
A
Retailer 5
-
$4,075 AUD
View
Retailer 6
-
$4,160 AUD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$4,160 AUD
View
A
Retailer 8
-
$4,320 AUD
View
A
Retailer 9
-
$4,366 AUD
View
A
Retailer 10
-
$4,403 AUD
View
A
Retailer 11
-
$4,800 AUD
View
A
Retailer 12
-
$4,842 AUD
View
A
Retailer 13
-
$5,076 AUD
View
B
Retailer 14
-
$7,267 AUD
View
Most Expensive
B
NZ Jewellers
b1e514a5-1d17-413c-8b6e-dd9382e361b6 · Nov 5
$8,696 AUD
$5,975 USD
View
14 more retailers have this diamond
Prices start from $3,647 AUDSave up to $5,049 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
$3,647 AUD