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1.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 5231835612

Certificate GIA 5231835612

Diamond specifications and retailer prices

From $5,206 SGD
HK$31,800 HKD
As of November 1, 2026
Save $5,810 SGD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,015 SGD at MOH London · As of November 2, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5231835612. Listed at 14 retailers as of November 1, 2026, with prices from $5,206 to $11,015, a $5,810 spread on the same certified stone. MOH London lists it at $11,015. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5231835612
Dimensions7.28 × 7.31 × 4.54 mm
L/W Ratio1.00
Top View
7.28 mm7.31 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5231835612
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.3%

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 1
Current: $11,015 SGD|Low: $5,206 SGD|High: $11,407 SGD|Avg: $7,152 SGD|-3.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11$5,206 SGD
Retailer 10$5,463 SGD
Retailer 8$5,783 SGD
Retailer 12$5,940 SGD
Retailer 5$6,215 SGD
Retailer 7$6,279 SGD
Retailer 9$6,704 SGD
Retailer 4$6,990 SGD
Retailer 6$7,342 SGD
Retailer 2$7,797 SGD
Retailer 3$11,014 SGD
MOH London$11,015 SGD

26 data points across 12 retailers

14 retailers$5,206 SGD to $11,015 SGD

A
Cheapest Retailer
-
$5,206 SGD
HK$31,800 HKD
A
Retailer 2
-
$5,463 SGD
$4,272 USD
View
A
Retailer 3
-
$5,783 SGD
$4,522 USD
View
Final sale: no returns
A
Retailer 4
-
$5,940 SGD
$4,644 USD
View
A
Retailer 5
-
$6,215 SGD
$4,860 USD
View
A
Retailer 6
-
$6,279 SGD
$4,910 USD
View
A
Retailer 7
-
$6,704 SGD
£4,127 GBP
View
A
Retailer 8
-
$6,990 SGD
View
A
Retailer 9
-
$7,139 SGD
A$8,588 AUD
View
A
Retailer 10
-
$7,342 SGD
£4,521 GBP
View
A
Retailer 11
-
$7,797 SGD
€5,806 EUR
View
Retailer 12
-
$8,075 SGD
$6,314 USD
View
Price last confirmed 16 days ago
Retailer 13
-
$11,014 SGD
$8,612 USD
View
Price last confirmed 10 days ago
Most Expensive
B+
MOH London
16F4FA1BA · Nov 2
$11,015 SGD
£6,782 GBP
View
13 more retailers have this diamond
Prices start from $5,206 SGDSave up to $5,810 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
$5,206 SGD