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Round|Natural|GIA

1.51ct F IF Round Natural Diamond

EX • F/IF • GIA 1447894508

Certificate GIA 1447894508

Diamond specifications and retailer prices

From $18,561 SGD
As of November 4, 2026
Save $16,925 SGD (48%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $35,486 SGD 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 1447894508. Listed at 15 retailers as of November 4, 2026, with prices from $18,561 to $35,486, a $16,925 spread on the same certified stone. Diamond Quarter lists it at $35,486. 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
FluorescenceFaint
Crown angle32.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1447894508
Dimensions7.40 × 7.37 × 4.52 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.40 mm7.37 mm1.51 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1447894508
Side View
Table 60.0%Crown 32.5°Girdle: NUL-NULPavilion 41.8°Culet: NoneDepth 61.2%

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: $18,929 SGD|Low: $18,326 SGD|High: $28,628 SGD|Avg: $21,899 SGD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$18,561 SGD
Retailer 1$18,929 SGD
Retailer 6$19,159 SGD
Retailer 7$20,074 SGD
Retailer 2$22,673 SGD
Retailer 4$23,999 SGD
Retailer 3$28,211 SGD

43 data points across 7 retailers

15 retailers$18,561 SGD to $35,486 SGD

A
Cheapest Retailer
-
$18,561 SGD
A
Retailer 2
-
$18,929 SGD
View
A
Retailer 3
-
$19,159 SGD
View
Final sale: no returns
B+
Retailer 4
-
$20,879 SGD
View
B+
Retailer 5
-
$21,326 SGD
View
B+
Retailer 6
-
$21,414 SGD
View
B+
Retailer 7
-
$21,659 SGD
View
Retailer 8
-
$22,492 SGD
View
Price last confirmed 61 days ago
B+
Retailer 9
-
$22,492 SGD
View
B+
Retailer 10
-
$22,673 SGD
View
Retailer 11
-
$23,999 SGD
View
Price last confirmed 10 days ago
Retailer 12
-
$25,659 SGD
View
Price last confirmed 58 days ago
B+
Retailer 13
-
$25,659 SGD
View
B+
Retailer 14
-
$28,211 SGD
View
Most Expensive
B
Diamond Quarter
1.51IFF14089811N · Nov 5
$35,486 SGD
£21,802 GBP
View
14 more retailers have this diamond
Prices start from $18,561 SGDSave up to $16,925 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
$18,561 SGD