Radiant|Natural|GIA

1.50ct I SI1 Radiant Natural Diamond

GD • I/SI1 • GIA 2534920160

Certificate GIA 2534920160

Diamond specifications and retailer prices

From $7,919 AUD
As of November 2, 2026
20 retailers carry this diamond
Most expensive: $14,274 AUD at NZ Jewellers · As of October 21, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2534920160. Listed at 20 retailers as of November 2, 2026. 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
I
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle50.1°
Pavilion angle59.9°
OriginNatural
Grading LabGIA
CertificateGIA 2534920160
Dimensions7.49 × 5.59 × 3.97 mm
L/W Ratio1.34
Top View
7.49 mm5.59 mm1.50 ctI / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2534920160
Side View
Table 68.0%Crown 50.1°Girdle: STK-THKPavilion 59.9°Culet: NoneDepth 71.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: $14,274 AUD|Low: $6,183 AUD|High: $14,274 AUD|Avg: $9,201 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 23, 2026
Retailer 11$7,138 AUD
Retailer 9$7,196 AUD
Retailer 13$7,246 AUD
Retailer 12$7,732 AUD
Retailer 3$7,919 AUD
Retailer 6$8,227 AUD
Retailer 8$8,470 AUD
Retailer 4$8,922 AUD
Retailer 2$9,260 AUD
Retailer 5$9,414 AUD
Retailer 7$10,301 AUD
Retailer 10$12,641 AUD
NZ Jewellers$14,274 AUD

35 data points across 13 retailers

20 retailers

Retailer 1
-
$6,668 AUD
$4,684 USD
Price last confirmed 9 days ago
Retailer 2
-
$6,742 AUD
$4,736 USD
View
Price last confirmed 10 days ago
Retailer 3
-
$7,196 AUD
$5,055 USD
View
Price last confirmed 11 days ago
Retailer 4
-
$7,246 AUD
$5,090 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$7,644 AUD
$5,370 USD
View
Price last confirmed 15 days ago
Retailer 6
-
$7,732 AUD
$5,431 USD
View
Price last confirmed 16 days ago
Retailer 7
-
$7,732 AUD
$5,431 USD
View
Price last confirmed 11 days ago
Retailer 8
-
$7,732 AUD
$5,431 USD
View
Price last confirmed 17 days ago
B+
Retailer 9
-
$7,919 AUD
View
Retailer 10
-
$8,227 AUD
£4,551 GBP
View
Price last confirmed 10 days ago
Retailer 11
-
$8,470 AUD
View
Price last confirmed 14 days ago
Retailer 12
-
$8,470 AUD
$5,950 USD
View
Price last confirmed 11 days ago
Retailer 13
-
$8,470 AUD
$5,950 USD
View
Price last confirmed 11 days ago
Retailer 14
-
$8,741 AUD
$6,140 USD
View
Price last confirmed 14 days ago
Retailer 15
-
$8,922 AUD
$6,267 USD
View
Price last confirmed 12 days ago
Retailer 16
-
$9,260 AUD
€6,195 EUR
View
Price last confirmed 10 days ago
Retailer 17
-
$9,414 AUD
$6,613 USD
View
Price last confirmed 10 days ago
Retailer 18
-
$10,301 AUD
ZAR 116,896 ZAR
View
Price last confirmed 11 days ago
Retailer 19
-
$12,641 AUD
£6,992 GBP
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
a81da476-d318-4f22-b81d-a1e49bd12686 · Oct 21
$14,274 AUD
$10,027 USD
View
Price last confirmed 12 days ago
19 more retailers have this diamond
Prices start from $7,919 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
$7,919 AUD