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Radiant|Natural|GIA

1.50ct D SI2 Radiant Natural Diamond

ID • D/SI2 • GIA 2534594191

Certificate GIA 2534594191

Diamond specifications and retailer prices

From $8,111 AUD
As of November 6, 2026
Save $9,335 AUD (54%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $17,446 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 D 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 2534594191. Listed at 25 retailers as of November 5, 2026, with prices from $8,111 to $17,446, a $9,335 spread on the same certified stone. NZ Jewellers lists it at $17,446. 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
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.41°
Pavilion angle30.19°
OriginNatural
Grading LabGIA
CertificateGIA 2534594191
Dimensions7.38 × 5.68 × 3.88 mm
L/W Ratio1.30
Top View
7.38 mm5.68 mm1.50 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2534594191
Side View
Table 66.0%Crown 44.41°Girdle: STK-THKPavilion 30.19°Culet: NoneDepth 68.2%

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 6
Current: $17,446 AUD|Low: $7,021 AUD|High: $17,816 AUD|Avg: $11,057 AUD|-2.1%
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
Retailer 17
Retailer 18
Retailer 19
November 7, 2026
Retailer 11$8,111 AUD
Retailer 13$8,242 AUD
Retailer 5$8,249 AUD
Retailer 3$8,722 AUD
Retailer 16$9,304 AUD
Retailer 4$9,450 AUD
Retailer 9$9,450 AUD
Retailer 15$9,625 AUD
Retailer 12$9,673 AUD
Retailer 6$9,865 AUD
Retailer 2$9,904 AUD
Retailer 7$10,508 AUD
Retailer 8$10,508 AUD
Retailer 18$10,738 AUD
Retailer 17$10,857 AUD
Retailer 19$10,904 AUD
Retailer 10$14,845 AUD
Retailer 14$15,123 AUD
NZ Jewellers$17,446 AUD

44 data points across 19 retailers

25 retailers$8,111 AUD to $17,446 AUD

A
Cheapest Retailer
-
$8,111 AUD
A
Retailer 2
-
$8,242 AUD
View
A
Retailer 3
-
$8,249 AUD
View
A
Retailer 4
-
$8,321 AUD
View
A
Retailer 5
-
$8,530 AUD
View
A
Retailer 6
-
$8,722 AUD
View
Final sale: no returns
Retailer 7
-
$8,909 AUD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$9,304 AUD
View
A
Retailer 9
-
$9,450 AUD
View
A
Retailer 10
-
$9,450 AUD
View
A
Retailer 11
-
$9,625 AUD
View
A
Retailer 12
-
$9,673 AUD
View
Retailer 13
-
$9,709 AUD
View
Price last confirmed 15 days ago
A
Retailer 14
-
$9,789 AUD
View
A
Retailer 15
-
$9,865 AUD
View
A
Retailer 16
-
$9,904 AUD
View
B+
Retailer 17
-
$10,508 AUD
View
B+
Retailer 18
-
$10,508 AUD
View
A
Retailer 19
-
$10,738 AUD
View
B+
Retailer 20
-
$10,857 AUD
View
B+
Retailer 21
-
$10,904 AUD
View
Retailer 22
-
$11,135 AUD
View
Price last confirmed 62 days ago
B+
Retailer 23
-
$14,845 AUD
View
B+
Retailer 24
-
$15,123 AUD
View
Most Expensive
B
NZ Jewellers
601066e6-af58-46ca-a266-ab9420cd709b · Nov 5
$17,446 AUD
$11,987 USD
View
24 more retailers have this diamond
Prices start from $8,111 AUDSave up to $9,335 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
$8,111 AUD