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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 $8,211 USD
As of November 4, 2026
Save $16,016 USD (66%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $24,227 USD 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 $8,211 to $24,227, a $16,016 spread on the same certified stone. Diamond Quarter lists it at $24,227. 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
Color
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

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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: $9,568 USD|Low: $8,074 USD|High: $14,830 USD|Avg: $10,916 USD|-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$8,211 USD
Retailer 4$9,091 USD
Retailer 11$9,114 USD
Retailer 1$9,568 USD
Retailer 10$9,720 USD
Retailer 12$9,770 USD
Retailer 13$10,142 USD
Retailer 14$10,640 USD
Retailer 6$10,668 USD
Retailer 8$11,124 USD
Retailer 5$12,277 USD
Retailer 7$12,981 USD
Retailer 9$13,859 USD
Retailer 3$14,830 USD

34 data points across 14 retailers

17 retailers$8,211 USD to $24,227 USD

A
Cheapest Retailer
-
$8,211 USD
A
Retailer 2
-
$9,091 USD
View
A
Retailer 3
-
$9,114 USD
View
A
Retailer 4
-
$9,568 USD
View
A
Retailer 5
-
$9,720 USD
View
Retailer 6
-
$9,770 USD
View
Price last confirmed 15 days ago
Retailer 7
-
$9,822 USD
View
Price last confirmed 21 days ago
Retailer 8
-
$10,280 USD
View
Price last confirmed 102 days ago
Retailer 9
-
$10,640 USD
View
Price last confirmed 15 days ago
A
Retailer 10
-
$10,668 USD
View
Retailer 11
-
$10,804 USD
View
Price last confirmed 22 days ago
A
Retailer 12
-
$11,124 USD
View
Retailer 13
-
$12,277 USD
View
Price last confirmed 16 days ago
A
Retailer 14
-
$12,981 USD
View
A
Retailer 15
-
$13,859 USD
View
Retailer 16
-
$14,830 USD
View
Price last confirmed 17 days ago
Most Expensive
B
Diamond Quarter
1.51IFF25038694N · Nov 5
$24,227 USD
£19,077 GBP
View
16 more retailers have this diamond
Prices start from $8,211 USDSave up to $16,016 USD

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
$8,211 USD