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Round|Natural|GIA

1.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 7553318635

Certificate GIA 7553318635

Diamond specifications and retailer prices

From $6,864 SGD
$5,367 USD
As of November 1, 2026
Save $8,085 SGD (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $14,949 SGD at NZ Jewellers · As of November 2, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7553318635. Listed at 20 retailers as of November 1, 2026, with prices from $6,864 to $14,949, a $8,085 spread on the same certified stone. NZ Jewellers lists it at $14,949. 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
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7553318635
Dimensions7.27 × 7.31 × 4.57 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.27 mm7.31 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7553318635
Side View
Table 57.0%Crown 36.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.7%

Caratlytics Score

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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: $14,949 SGD|Low: $5,891 SGD|High: $14,949 SGD|Avg: $8,787 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 3, 2026
Retailer 12$6,580 SGD
Retailer 4$6,864 SGD
Retailer 6$7,062 SGD
Retailer 18$7,069 SGD
Retailer 8$7,156 SGD
Retailer 5$7,474 SGD
Retailer 10$7,977 SGD
Retailer 15$8,098 SGD
Retailer 20$8,246 SGD
Retailer 9$8,443 SGD
Retailer 2$8,444 SGD
Retailer 19$9,003 SGD
Retailer 21$9,003 SGD
Retailer 3$9,310 SGD
Retailer 14$9,330 SGD
Retailer 16$9,489 SGD
Retailer 13$9,554 SGD
Retailer 11$9,851 SGD
Retailer 7$12,958 SGD
Retailer 17$13,169 SGD
NZ Jewellers$14,949 SGD

30 data points across 21 retailers

20 retailers$6,864 SGD to $14,949 SGD

A
Cheapest Retailer
-
$6,864 SGD
$5,367 USD
A
Retailer 2
-
$7,062 SGD
$5,522 USD
View
A
Retailer 3
-
$7,069 SGD
$5,527 USD
View
A
Retailer 4
-
$7,156 SGD
$5,596 USD
View
A
Retailer 5
-
$7,474 SGD
$5,844 USD
View
Final sale: no returns
A
Retailer 6
-
$7,977 SGD
$6,238 USD
View
A
Retailer 7
-
$8,098 SGD
$6,332 USD
View
A
Retailer 8
-
$8,246 SGD
$6,448 USD
View
B+
Retailer 9
-
$8,332 SGD
$6,515 USD
View
B+
Retailer 10
-
$8,443 SGD
$6,602 USD
View
A
Retailer 11
-
$8,444 SGD
£5,199 GBP
View
B+
Retailer 12
-
$9,003 SGD
$7,040 USD
View
B+
Retailer 13
-
$9,003 SGD
$7,040 USD
View
B+
Retailer 14
-
$9,310 SGD
$7,280 USD
View
B+
Retailer 15
-
$9,489 SGD
£5,842 GBP
View
B+
Retailer 16
-
$9,554 SGD
€7,115 EUR
View
Retailer 17
-
$9,851 SGD
$7,703 USD
View
Price last confirmed 19 days ago
Retailer 18
-
$12,958 SGD
$10,132 USD
View
Price last confirmed 7 days ago
B
Retailer 19
-
$13,169 SGD
£8,108 GBP
View
Most Expensive
B
NZ Jewellers
08651589-c7a7-4dc0-a3b8-920a5177512a · Nov 2
$14,949 SGD
$11,689 USD
View
19 more retailers have this diamond
Prices start from $6,864 SGDSave up to $8,085 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
$6,864 SGD