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Radiant|Natural|GIA

1.50ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 7556198704

Certificate GIA 7556198704

Diamond specifications and retailer prices

From $8,511 AUD
$5,965 USD
As of November 1, 2026
Save $7,146 AUD (46%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $18,182 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7556198704. Listed at 27 retailers as of October 28, 2026, with a 84% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle31.97°
OriginNatural
Grading LabGIA
CertificateGIA 7556198704
Dimensions7.29 × 5.72 × 3.91 mm
L/W Ratio1.27
Girdle conditionThick
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.29 mm5.72 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556198704
Side View
Table 67.0%Crown 44.6°Girdle: STK-THKPavilion 31.97°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $10,249 AUD|Low: $8,332 AUD|High: $15,730 AUD|Avg: $11,048 AUD|-0.8%
Retailer 1
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 3, 2026
Retailer 3$8,589 AUD
Retailer 2$9,091 AUD
Retailer 14$9,091 AUD
Retailer 4$9,125 AUD
Retailer 5$9,166 AUD
Retailer 9$10,170 AUD
Retailer 1$10,249 AUD
Retailer 16$10,424 AUD
Retailer 15$10,481 AUD
Retailer 7$10,502 AUD
Retailer 8$10,502 AUD
Retailer 6$10,859 AUD
Retailer 10$11,877 AUD
Retailer 12$13,356 AUD
Retailer 11$15,150 AUD
Retailer 13$15,657 AUD

32 data points across 16 retailers

27 retailers$8,511 AUD to $15,657 AUD

A
Cheapest Retailer
-
$8,511 AUD
$5,965 USD
A
Retailer 2
-
$8,589 AUD
$6,019 USD
View
A
Retailer 3
-
$9,091 AUD
$6,371 USD
View
A
Retailer 4
-
$9,091 AUD
$6,371 USD
View
Final sale: no returns
A
Retailer 5
-
$9,125 AUD
$6,395 USD
View
A
Retailer 6
-
$9,166 AUD
$6,424 USD
View
B+
Retailer 7
-
$9,685 AUD
$6,787 USD
View
Retailer 8
-
$9,848 AUD
$6,902 USD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
$10,000 AUD
$7,008 USD
View
Retailer 10
-
$10,000 AUD
$7,008 USD
View
Price last confirmed 33 days ago
B+
Retailer 11
-
$10,170 AUD
£5,612 GBP
View
B+
Retailer 12
-
$10,249 AUD
£5,656 GBP
View
B+
Retailer 13
-
$10,424 AUD
$7,305 USD
View
Retailer 14
-
$10,481 AUD
View
Price last confirmed 12 days ago
B+
Retailer 15
-
$10,502 AUD
$7,360 USD
View
B+
Retailer 16
-
$10,502 AUD
$7,360 USD
View
B+
Retailer 17
-
$10,859 AUD
$7,610 USD
View
B+
Retailer 18
-
$11,071 AUD
$7,759 USD
View
Retailer 19
-
$11,364 AUD
$7,964 USD
View
Price last confirmed 24 days ago
Retailer 20
-
$11,364 AUD
$7,964 USD
View
Price last confirmed 12 days ago
B+
Retailer 21
-
$11,877 AUD
€7,927 EUR
View
Retailer 22
-
$11,977 AUD
$8,394 USD
View
Price last confirmed 18 days ago
B+
Retailer 23
-
$13,356 AUD
ZAR 151,215 ZAR
View
B
Retailer 24
-
$15,150 AUD
£8,360 GBP
View
B
Retailer 25
-
$15,657 AUD
£8,640 GBP
View
Retailer 26
-
$18,182 AUD
$12,742 USD
View
Price last confirmed 34 days ago
Most Expensive
NZ Jewellers
4fee10dc-47fc-4a7d-96dd-1f513190a552 · Oct 21
$18,182 AUD
$12,742 USD
View
Price last confirmed 12 days ago
26 more retailers have this diamond
Prices start from $8,511 AUDSave up to $7,146 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
$8,511 AUD