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Radiant|Natural|GIA

1.50ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 6461911079

Certificate GIA 6461911079

Diamond specifications and retailer prices

From $11,234 AUD
$7,873 USD
As of November 2, 2026
Save $5,093 AUD (31%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $16,327 AUD at Riddles Jewelry · As of November 2, 2026
View at Riddles Jewelry

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6461911079. Listed at 12 retailers as of November 2, 2026, with prices from $11,234 to $16,327, a $5,093 spread on the same certified stone. Riddles Jewelry lists it at $16,327. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6461911079
Dimensions7.36 × 5.74 × 3.95 mm
L/W Ratio1.28
Top View
7.36 mm5.74 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6461911079
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.8%

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: $15,312 AUD|Low: $11,101 AUD|High: $15,312 AUD|Avg: $13,243 AUD|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5$11,234 AUD
Retailer 4$12,271 AUD
Retailer 3$12,320 AUD
Retailer 2$14,947 AUD
Retailer 1$15,312 AUD

43 data points across 5 retailers

12 retailers$11,234 AUD to $16,327 AUD

B+
Cheapest Retailer
-
$11,234 AUD
$7,873 USD
B+
Retailer 2
-
$11,798 AUD
$8,268 USD
View
B+
Retailer 3
-
$11,949 AUD
View
B+
Retailer 4
-
$12,271 AUD
$8,600 USD
View
Final sale: no returns
B
Retailer 5
-
$12,320 AUD
$8,634 USD
View
B
Retailer 6
-
$12,368 AUD
CA$12,039 CAD
View
B
Retailer 7
-
$14,196 AUD
$9,949 USD
View
B
Retailer 8
-
$14,703 AUD
$10,304 USD
View
B
Retailer 9
-
$14,947 AUD
£8,248 GBP
View
B
Retailer 10
-
$15,312 AUD
€10,220 EUR
View
B
Retailer 11
-
$15,504 AUD
$10,866 USD
View
Most Expensive
B
Riddles Jewelry
1769434098 · Nov 2
$16,327 AUD
$11,442 USD
View
11 more retailers have this diamond
Prices start from $11,234 AUDSave up to $5,093 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
$11,234 AUD