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Radiant|Natural|GIA

1.50ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 7558538312

Certificate GIA 7558538312

Diamond specifications and retailer prices

From $10,669 AUD
$7,477 USD
As of November 2, 2026
Save $8,431 AUD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $19,100 AUD at MOH London · As of November 2, 2026
View at MOH London

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 7558538312. Listed at 14 retailers as of November 2, 2026, with prices from $10,669 to $19,100, a $8,431 spread on the same certified stone. MOH London lists it at $19,100. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558538312
Dimensions8.27 × 5.57 × 3.80 mm
L/W Ratio1.48
Culet sizeNone
Top View
8.27 mm5.57 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7558538312
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.1%

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: Nov 2
Current: $19,100 AUD|Low: $10,669 AUD|High: $19,727 AUD|Avg: $14,398 AUD|-3.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 3$10,669 AUD
Retailer 11$11,793 AUD
Retailer 2$13,369 AUD
Retailer 7$13,430 AUD
Retailer 13$13,633 AUD
Retailer 10$14,454 AUD
Retailer 12$14,454 AUD
Retailer 5$14,610 AUD
Retailer 8$14,841 AUD
Retailer 9$14,940 AUD
Retailer 6$15,406 AUD
Retailer 4$16,098 AUD
MOH London$19,100 AUD

44 data points across 13 retailers

14 retailers$10,669 AUD to $19,100 AUD

B+
Cheapest Retailer
-
$10,669 AUD
$7,477 USD
B+
Retailer 2
-
$11,438 AUD
View
B+
Retailer 3
-
$11,793 AUD
$8,265 USD
View
B+
Retailer 4
-
$13,369 AUD
£7,377 GBP
View
Retailer 5
-
$13,430 AUD
View
Price last confirmed 10 days ago
B
Retailer 6
-
$13,633 AUD
$9,554 USD
View
B
Retailer 7
-
$14,454 AUD
$10,130 USD
View
B
Retailer 8
-
$14,454 AUD
$10,130 USD
View
B
Retailer 9
-
$14,489 AUD
$10,154 USD
View
B
Retailer 10
-
$14,610 AUD
$10,239 USD
View
Retailer 11
-
$14,841 AUD
$10,401 USD
View
Price last confirmed 7 days ago
B
Retailer 12
-
$14,940 AUD
$10,470 USD
View
B
Retailer 13
-
$15,406 AUD
€10,283 EUR
View
Most Expensive
B
MOH London
630A842B8 · Nov 2
$19,100 AUD
£10,540 GBP
View
13 more retailers have this diamond
Prices start from $10,669 AUDSave up to $8,431 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
$10,669 AUD