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Round|Natural|GIA

1.51ct F IF Round Natural Diamond

EX • F/IF • GIA 2518112903

Certificate GIA 2518112903

Diamond specifications and retailer prices

From $11,729 AUD
As of November 4, 2026
Save $22,879 AUD (66%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $34,609 AUD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2518112903. Listed at 17 retailers as of November 4, 2026, with prices from $11,729 to $34,609, a $22,879 spread on the same certified stone. Diamond Quarter lists it at $34,609. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2518112903
Dimensions7.33 × 7.29 × 4.56 mm
L/W Ratio1.01
Top View
7.33 mm7.29 mm1.51 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2518112903
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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 4
Current: $13,668 AUD|Low: $11,534 AUD|High: $21,185 AUD|Avg: $15,594 AUD|-5.3%
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 6, 2026
Retailer 2$11,729 AUD
Retailer 4$12,986 AUD
Retailer 11$13,019 AUD
Retailer 1$13,668 AUD
Retailer 10$13,885 AUD
Retailer 12$13,956 AUD
Retailer 13$14,488 AUD
Retailer 14$15,199 AUD
Retailer 6$15,239 AUD
Retailer 8$15,891 AUD
Retailer 5$17,538 AUD
Retailer 7$18,543 AUD
Retailer 9$19,798 AUD
Retailer 3$21,185 AUD

34 data points across 14 retailers

17 retailers$11,729 AUD to $34,609 AUD

A
Cheapest Retailer
-
$11,729 AUD
A
Retailer 2
-
$12,986 AUD
View
A
Retailer 3
-
$13,019 AUD
View
A
Retailer 4
-
$13,668 AUD
View
A
Retailer 5
-
$13,885 AUD
View
Retailer 6
-
$13,956 AUD
View
Price last confirmed 15 days ago
Retailer 7
-
$14,031 AUD
View
Price last confirmed 21 days ago
Retailer 8
-
$14,685 AUD
View
Price last confirmed 102 days ago
Retailer 9
-
$15,199 AUD
View
Price last confirmed 15 days ago
A
Retailer 10
-
$15,239 AUD
View
Retailer 11
-
$15,434 AUD
View
Price last confirmed 22 days ago
A
Retailer 12
-
$15,891 AUD
View
Retailer 13
-
$17,538 AUD
View
Price last confirmed 16 days ago
A
Retailer 14
-
$18,543 AUD
View
A
Retailer 15
-
$19,798 AUD
View
Retailer 16
-
$21,185 AUD
View
Price last confirmed 17 days ago
Most Expensive
B
Diamond Quarter
1.51IFF25038694N · Nov 5
$34,609 AUD
£19,077 GBP
View
16 more retailers have this diamond
Prices start from $11,729 AUDSave up to $22,879 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
1.51ct Round
$11,729 AUD