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1.51ct F IF Round Natural Diamond

EX • F/IF • IGI 813691005

Shape and cutting style on the report: Round brilliant

Certificate IGI 813691005

Diamond specifications and retailer prices

From $11,546 SGD
As of November 6, 2026
Save $9,465 SGD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $21,011 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 IGI 813691005. Listed at 14 retailers as of November 5, 2026, with prices from $11,546 to $21,011, a $9,465 spread on the same certified stone. NZ Jewellers lists it at $21,011. 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 angle35.5°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 813691005
Dimensions7.26 × 7.31 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.26 mm7.31 mm1.51 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 813691005
Side View
Table 57.0%Crown 35.5°Girdle: Slightly ThickPavilion 41.1°CuletDepth 62.9%

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 6
Current: $21,011 SGD|Low: $11,546 SGD|High: $21,706 SGD|Avg: $15,586 SGD
NZ Jewellers
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 13$11,546 SGD
Retailer 10$12,226 SGD
Retailer 4$12,911 SGD
Retailer 11$13,739 SGD
Retailer 8$13,766 SGD
Retailer 12$13,913 SGD
Retailer 7$14,869 SGD
Retailer 3$15,074 SGD
Retailer 6$15,306 SGD
Retailer 5$15,430 SGD
Retailer 14$17,394 SGD
Retailer 2$18,391 SGD
Retailer 9$19,635 SGD
NZ Jewellers$21,011 SGD

44 data points across 14 retailers

14 retailers$11,546 SGD to $21,011 SGD

A
Cheapest Retailer
-
$11,546 SGD
A
Retailer 2
-
$12,226 SGD
View
A
Retailer 3
-
$12,911 SGD
View
A
Retailer 4
-
$13,739 SGD
View
A
Retailer 5
-
$13,766 SGD
View
A
Retailer 6
-
$13,913 SGD
View
Final sale: no returns
A
Retailer 7
-
$14,869 SGD
View
A
Retailer 8
-
$15,074 SGD
View
A
Retailer 9
-
$15,306 SGD
View
A
Retailer 10
-
$15,430 SGD
View
A
Retailer 11
-
$17,394 SGD
View
B+
Retailer 12
-
$18,391 SGD
View
B+
Retailer 13
-
$19,635 SGD
View
Most Expensive
B+
NZ Jewellers
4570dd2a-77d6-4d3b-a76e-917f91e86356 · Nov 5
$21,011 SGD
$16,394 USD
View
13 more retailers have this diamond
Prices start from $11,546 SGDSave up to $9,465 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
$11,546 SGD