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Round|Natural|GIA

1.50ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2426782198

Certificate GIA 2426782198

Diamond specifications and retailer prices

From $7,502 AUD
$5,270 USD
As of November 1, 2026
Save $11,249 AUD (60%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $18,752 AUD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2426782198. Listed at 24 retailers as of November 1, 2026, with prices from $7,502 to $18,752, a $11,249 spread on the same certified stone. Diamond Quarter lists it at $18,752. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2426782198
Dimensions7.29 × 7.26 × 4.57 mm
L/W Ratio1.00
Top View
7.29 mm7.26 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2426782198
Side View
Table 58.0%Crown 34.5°Girdle: ThickPavilion 41.6°Culet: NoneDepth 62.8%

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: $10,452 AUD|Low: $6,860 AUD|High: $15,127 AUD|Avg: $9,607 AUD|-8.6%
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
November 2, 2026
Retailer 11$7,502 AUD
Retailer 4$7,561 AUD
Retailer 3$7,779 AUD
Retailer 2$7,882 AUD
Retailer 10$8,233 AUD
Retailer 14$8,919 AUD
Retailer 7$9,379 AUD
Retailer 6$9,922 AUD
Retailer 12$9,922 AUD
Retailer 8$10,129 AUD
Retailer 13$10,250 AUD
Retailer 1$10,452 AUD
Retailer 5$10,851 AUD
Retailer 9$14,505 AUD

35 data points across 14 retailers

24 retailers$7,502 AUD to $18,752 AUD

A
Cheapest Retailer
-
$7,502 AUD
$5,270 USD
A
Retailer 2
-
$7,561 AUD
$5,311 USD
View
A
Retailer 3
-
$7,779 AUD
$5,464 USD
View
A
Retailer 4
-
$7,882 AUD
$5,537 USD
View
A
Retailer 5
-
$8,233 AUD
$5,783 USD
View
Final sale: no returns
Retailer 6
-
$8,776 AUD
$6,165 USD
View
Price last confirmed 52 days ago
Retailer 7
-
$8,776 AUD
$6,165 USD
View
Price last confirmed 45 days ago
Retailer 8
-
$8,919 AUD
$6,265 USD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$9,379 AUD
£5,188 GBP
View
Retailer 10
-
$9,729 AUD
$6,834 USD
View
Price last confirmed 40 days ago
B+
Retailer 11
-
$9,922 AUD
$6,970 USD
View
B+
Retailer 12
-
$9,922 AUD
$6,970 USD
View
Retailer 13
-
$10,126 AUD
$7,113 USD
View
Price last confirmed 56 days ago
Retailer 14
-
$10,126 AUD
$7,113 USD
View
Price last confirmed 46 days ago
B+
Retailer 15
-
$10,129 AUD
€6,776 EUR
View
B+
Retailer 16
-
$10,250 AUD
$7,200 USD
View
B+
Retailer 17
-
$10,452 AUD
£5,781 GBP
View
Retailer 18
-
$10,851 AUD
$7,622 USD
View
Price last confirmed 10 days ago
Retailer 19
-
$11,225 AUD
$7,885 USD
View
Price last confirmed 41 days ago
B+
Retailer 20
-
$14,505 AUD
£8,023 GBP
View
Retailer 21
-
$16,202 AUD
$11,381 USD
View
Price last confirmed 52 days ago
Retailer 22
-
$16,202 AUD
$11,381 USD
View
Price last confirmed 45 days ago
Retailer 23
-
$17,962 AUD
$12,617 USD
View
Price last confirmed 38 days ago
Most Expensive
B
Diamond Quarter
1.5SI2F249831F4N · Nov 2
$18,752 AUD
£10,372 GBP
View
23 more retailers have this diamond
Prices start from $7,502 AUDSave up to $11,249 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
$7,502 AUD