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Round|Natural|GIA

1.51ct F IF Round Natural Diamond

EX • F/IF • GIA 7531030417

Certificate GIA 7531030417

Diamond specifications and retailer prices

From $13,535 SGD
As of November 5, 2026
Save $3,108 SGD (19%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $16,643 SGD at Blue Nile · As of November 5, 2026
View at Blue Nile

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 7531030417. Listed at 7 retailers as of November 5, 2026, with prices from $13,535 to $16,643, a $3,108 spread on the same certified stone. Blue Nile lists it at $16,643. 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°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7531030417
Dimensions7.30 × 7.25 × 4.57 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.30 mm7.25 mm1.51 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7531030417
Side View
Table 58.0%Crown 35°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A+
Exceptional
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 5
Current: $16,643 SGD|Low: $13,535 SGD|High: $17,516 SGD|Avg: $15,101 SGD|-5.0%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$13,535 SGD
Retailer 3$13,758 SGD
Retailer 4$13,916 SGD
Retailer 6$14,346 SGD
Retailer 2$15,337 SGD
Retailer 7$15,383 SGD
Blue Nile$16,643 SGD

32 data points across 7 retailers

7 retailers$13,535 SGD to $16,643 SGD

A
Cheapest Retailer
-
$13,535 SGD
A+
Retailer 2
-
$13,758 SGD
View
A
Retailer 3
-
$13,916 SGD
View
A
Retailer 4
-
$14,346 SGD
View
A
Retailer 5
-
$15,337 SGD
View
A
Retailer 6
-
$15,383 SGD
View
Most Expensive
A
Blue Nile
26140643 · Nov 5
$16,643 SGD
$12,986 USD
View
6 more retailers have this diamond
Prices start from $13,535 SGDSave up to $3,108 SGD

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
$13,535 SGD