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Radiant|Natural|GIA

1.50ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 2447599683

Certificate GIA 2447599683

Diamond specifications and retailer prices

From $12,199 AUD
$8,570 USD
As of October 29, 2026
Save $11,144 AUD (48%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $23,342 AUD at NZ Jewellers · As of October 27, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2447599683. Listed at 18 retailers as of October 27, 2026, with prices from $12,199 to $23,342, a $11,144 spread on the same certified stone. NZ Jewellers lists it at $23,342. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2447599683
Dimensions8.37 × 5.35 × 3.37 mm
L/W Ratio1.56
Top View
8.37 mm5.35 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2447599683
Side View
Table 68.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.1%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $23,342 AUD|Low: $12,073 AUD|High: $23,342 AUD|Avg: $16,473 AUD
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
October 29, 2026
Retailer 11$12,199 AUD
Retailer 9$14,005 AUD
Retailer 13$14,005 AUD
Retailer 3$14,122 AUD
Retailer 12$15,172 AUD
Retailer 2$15,337 AUD
Retailer 10$15,405 AUD
Retailer 8$17,041 AUD
Retailer 4$17,506 AUD
Retailer 7$17,618 AUD
Retailer 5$18,429 AUD
Retailer 6$21,989 AUD
NZ Jewellers$23,342 AUD

43 data points across 13 retailers

18 retailers$12,199 AUD to $23,342 AUD

B+
Cheapest Retailer
-
$12,199 AUD
$8,570 USD
B+
Retailer 2
-
$12,818 AUD
$9,005 USD
View
B+
Retailer 3
-
$12,871 AUD
View
B+
Retailer 4
-
$12,994 AUD
$9,129 USD
View
B+
Retailer 5
-
$13,341 AUD
$9,373 USD
View
B+
Retailer 6
-
$13,481 AUD
CA$13,154 CAD
View
B+
Retailer 7
-
$14,005 AUD
$9,839 USD
View
B+
Retailer 8
-
$14,005 AUD
$9,839 USD
View
Final sale: no returns
B+
Retailer 9
-
$14,122 AUD
$9,921 USD
View
B
Retailer 10
-
$15,172 AUD
$10,659 USD
View
B+
Retailer 11
-
$15,337 AUD
£8,484 GBP
View
B
Retailer 12
-
$15,405 AUD
$10,823 USD
View
B
Retailer 13
-
$17,041 AUD
$11,972 USD
View
B
Retailer 14
-
$17,506 AUD
$12,299 USD
View
B
Retailer 15
-
$17,618 AUD
€11,788 EUR
View
B
Retailer 16
-
$18,429 AUD
$12,947 USD
View
B
Retailer 17
-
$21,989 AUD
£12,164 GBP
View
Most Expensive
B
NZ Jewellers
be5f495e-1551-4dc3-af90-195d7cea154c · Oct 27
$23,342 AUD
$16,399 USD
View
17 more retailers have this diamond
Prices start from $12,199 AUDSave up to $11,144 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
$12,199 AUD