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Round|Natural|GIA

1.50ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6531896922

Certificate GIA 6531896922

Diamond specifications and retailer prices

From $8,663 AUD
As of November 1, 2026
Save $7,749 AUD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $20,325 AUD at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round 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 and certified by GIA 6531896922. Listed at 8 retailers as of November 1, 2026, with a 89% 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6531896922
Dimensions7.28 × 7.35 × 4.52 mm
L/W Ratio1.01
Top View
7.28 mm7.35 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531896922
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 61.7%

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 1
Current: $12,793 AUD|Low: $8,663 AUD|High: $16,964 AUD|Avg: $11,913 AUD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5$8,663 AUD
Retailer 3$9,719 AUD
Retailer 4$10,031 AUD
Retailer 6$10,102 AUD
Retailer 1$12,793 AUD
Retailer 8$13,062 AUD
Retailer 7$13,417 AUD
Retailer 2$16,411 AUD

17 data points across 8 retailers

8 retailers$8,663 AUD to $16,411 AUD

A
Cheapest Retailer
-
$8,663 AUD
Retailer 2
-
$9,719 AUD
View
Price last confirmed 5 days ago
B+
Retailer 3
-
$10,031 AUD
View
Retailer 4
-
$10,102 AUD
View
Price last confirmed 25 days ago
Retailer 5
-
$12,153 AUD
View
Price last confirmed 44 days ago
B+
Retailer 6
-
$12,793 AUD
View
B
Retailer 7
-
$16,411 AUD
View
Most Expensive
NZ Jewellers
7f0193ba-4f02-4466-a667-ac626871db43 · Sep 21
$20,325 AUD
$13,965 USD
View
Price last confirmed 46 days ago
7 more retailers have this diamond
Prices start from $8,663 AUDSave up to $7,749 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 Round
$8,663 AUD