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Radiant|Natural|GIA

1.50ct G SI1 Radiant Natural Diamond

ID • G/SI1 • GIA 2546064937

Certificate GIA 2546064937

Diamond specifications and retailer prices

From $8,700 AUD
$6,111 USD
As of November 2, 2026
Save $10,525 AUD (55%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $19,224 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546064937. Listed at 28 retailers as of October 30, 2026, with prices from $8,700 to $19,224, a $10,525 spread on the same certified stone. NZ Jewellers lists it at $19,224. 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
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle47.23°
Pavilion angle30.37°
OriginNatural
Grading LabGIA
CertificateGIA 2546064937
Dimensions7.18 × 5.66 × 3.95 mm
L/W Ratio1.27
Top View
7.18 mm5.66 mm1.50 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546064937
Side View
Table 65.0%Crown 47.23°Girdle: THK-VTKPavilion 30.37°Culet: NoneDepth 69.9%

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 2
Current: $19,224 AUD|Low: $7,583 AUD|High: $19,224 AUD|Avg: $11,543 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
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 4$8,700 AUD
Retailer 12$9,100 AUD
Retailer 14$9,611 AUD
Retailer 3$9,612 AUD
Retailer 5$10,414 AUD
Retailer 8$10,547 AUD
Retailer 15$10,573 AUD
Retailer 16$10,616 AUD
Retailer 9$10,842 AUD
Retailer 13$11,013 AUD
Retailer 7$11,594 AUD
Retailer 2$11,873 AUD
Retailer 6$12,015 AUD
Retailer 11$14,120 AUD
Retailer 10$16,019 AUD
NZ Jewellers$19,224 AUD

45 data points across 16 retailers

28 retailers$8,700 AUD to $19,224 AUD

A
Cheapest Retailer
-
$8,700 AUD
$6,111 USD
A
Retailer 2
-
$8,907 AUD
$6,257 USD
View
A
Retailer 3
-
$8,933 AUD
View
A
Retailer 4
-
$9,083 AUD
$6,380 USD
View
A
Retailer 5
-
$9,100 AUD
$6,392 USD
View
A
Retailer 6
-
$9,213 AUD
$6,472 USD
View
B+
Retailer 7
-
$9,611 AUD
$6,751 USD
View
Final sale: no returns
B+
Retailer 8
-
$9,612 AUD
$6,752 USD
View
B+
Retailer 9
-
$9,624 AUD
$6,760 USD
View
B+
Retailer 10
-
$10,235 AUD
$7,189 USD
View
B+
Retailer 11
-
$10,414 AUD
$7,315 USD
View
B+
Retailer 12
-
$10,547 AUD
View
Retailer 13
-
$10,552 AUD
$7,412 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$10,573 AUD
$7,427 USD
View
B+
Retailer 15
-
$10,616 AUD
$7,457 USD
View
B+
Retailer 16
-
$10,776 AUD
$7,570 USD
View
B+
Retailer 17
-
$10,842 AUD
£5,997 GBP
View
Retailer 18
-
$11,013 AUD
View
Price last confirmed 11 days ago
B+
Retailer 19
-
$11,503 AUD
$8,080 USD
View
B+
Retailer 20
-
$11,503 AUD
$8,080 USD
View
B+
Retailer 21
-
$11,594 AUD
$8,144 USD
View
B+
Retailer 22
-
$11,627 AUD
$8,167 USD
View
B+
Retailer 23
-
$11,873 AUD
€7,943 EUR
View
B+
Retailer 24
-
$11,887 AUD
$8,350 USD
View
B
Retailer 25
-
$12,015 AUD
$8,440 USD
View
B
Retailer 26
-
$14,120 AUD
ZAR 160,239 ZAR
View
B
Retailer 27
-
$16,019 AUD
£8,860 GBP
View
Most Expensive
B
NZ Jewellers
90e3d10c-8dc7-49b4-9cc6-aea678289981 · Oct 30
$19,224 AUD
$13,504 USD
View
27 more retailers have this diamond
Prices start from $8,700 AUDSave up to $10,525 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
$8,700 AUD