Round|Natural|GIA

1.51ct F IF Round Natural Diamond

EX • F/IF • GIA 6562181461

Certificate GIA 6562181461

Diamond specifications and retailer prices

From $16,990 USD
As of October 31, 2026
Save $8,689 USD (34%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $25,679 USD at MOH London · As of November 1, 2026
View at MOH London

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 6562181461. Listed at 10 retailers as of October 31, 2026, with prices from $16,990 to $25,679, a $8,689 spread on the same certified stone. MOH London lists it at $25,679. 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
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6562181461
Dimensions7.30 × 7.26 × 4.57 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Top View
7.30 mm7.26 mm1.51 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562181461
Side View
Table 57.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.8%

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: Oct 31
Current: $25,679 USD|Low: $16,990 USD|High: $26,488 USD|Avg: $19,461 USD|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5$16,990 USD
Retailer 4$17,252 USD
Retailer 3$17,745 USD
Retailer 2$18,004 USD
MOH London$25,679 USD

36 data points across 5 retailers

10 retailers$16,990 USD to $25,679 USD

B+
Cheapest Retailer
-
$16,990 USD
Retailer 2
-
$17,252 USD
A$26,542 AUD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$17,745 USD
View
B+
Retailer 4
-
$18,004 USD
£14,176 GBP
View
Retailer 5
-
$19,423 USD
View
Price last confirmed 33 days ago
Retailer 6
-
$19,942 USD
View
Price last confirmed 25 days ago
Retailer 7
-
$20,040 USD
View
Price last confirmed 36 days ago
Retailer 8
-
$23,625 USD
View
Price last confirmed 30 days ago
Retailer 9
-
$23,741 USD
View
Price last confirmed 35 days ago
Most Expensive
B
MOH London
3E87CECA8 · Nov 1
$25,679 USD
£20,220 GBP
View
9 more retailers have this diamond
Prices start from $16,990 USDSave up to $8,689 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.

B+
1.51ct Round
$16,990 USD