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Radiant|Natural|GIA

1.50ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 1555653014

Certificate GIA 1555653014

Diamond specifications and retailer prices

From $8,538 AUD
As of October 31, 2026
Save $9,667 AUD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $18,205 AUD at NZ Jewellers · As of October 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555653014. Listed at 17 retailers as of October 30, 2026, with prices from $8,538 to $18,205, a $9,667 spread on the same certified stone. NZ Jewellers lists it at $18,205. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555653014
Dimensions8.19 × 5.55 × 3.74 mm
L/W Ratio1.48
Culet sizeNone
Key to symbols
Feather, Crystal, Pinpoint
Top View
8.19 mm5.55 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555653014
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.4%

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 31
Current: $18,205 AUD|Low: $8,216 AUD|High: $18,757 AUD|Avg: $11,216 AUD|-2.9%
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
Retailer 16
November 1, 2026
Retailer 15$8,684 AUD
Retailer 14$9,102 AUD
Retailer 8$9,129 AUD
Retailer 12$9,608 AUD
Retailer 3$9,861 AUD
Retailer 13$10,012 AUD
Retailer 9$10,276 AUD
Retailer 6$10,506 AUD
Retailer 2$10,546 AUD
Retailer 5$11,033 AUD
Retailer 16$11,033 AUD
Retailer 4$11,379 AUD
Retailer 7$11,403 AUD
Retailer 10$11,895 AUD
Retailer 11$15,250 AUD
NZ Jewellers$18,205 AUD

34 data points across 16 retailers

17 retailers$8,538 AUD to $18,205 AUD

B+
Cheapest Retailer
-
$8,538 AUD
B+
Retailer 2
-
$8,684 AUD
$6,100 USD
View
B+
Retailer 3
-
$9,102 AUD
$6,394 USD
View
Final sale: no returns
B+
Retailer 4
-
$9,129 AUD
CA$8,907 CAD
View
B+
Retailer 5
-
$9,608 AUD
$6,749 USD
View
B+
Retailer 6
-
$9,861 AUD
$6,927 USD
View
B+
Retailer 7
-
$10,012 AUD
$7,033 USD
View
B+
Retailer 8
-
$10,276 AUD
£5,684 GBP
View
B
Retailer 9
-
$10,506 AUD
$7,380 USD
View
B
Retailer 10
-
$10,546 AUD
£5,833 GBP
View
B+
Retailer 11
-
$11,033 AUD
$7,750 USD
View
B+
Retailer 12
-
$11,033 AUD
$7,750 USD
View
B
Retailer 13
-
$11,379 AUD
$7,993 USD
View
B
Retailer 14
-
$11,403 AUD
$8,010 USD
View
B
Retailer 15
-
$11,895 AUD
€7,958 EUR
View
B
Retailer 16
-
$15,250 AUD
£8,435 GBP
View
Most Expensive
B
NZ Jewellers
b8cf5b7a-5845-4601-b83a-14c50291588b · Oct 30
$18,205 AUD
$12,788 USD
View
16 more retailers have this diamond
Prices start from $8,538 AUDSave up to $9,667 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
$8,538 AUD