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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 $5,367 USD
As of November 1, 2026
Save $4,930 USD (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $10,297 USD at MOH London · As of November 1, 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 7553318635. Listed at 19 retailers as of November 1, 2026, with prices from $5,367 to $10,297, a $4,930 spread on the same certified stone. MOH London lists it at $10,297. 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
Color
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

How it works →
A
Excellent
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 1
Current: $10,297 USD|Low: $4,606 USD|High: $10,420 USD|Avg: $6,853 USD|-0.9%
MOH London
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
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Retailer 8
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Retailer 10
Retailer 11
Retailer 12
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Retailer 15
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Retailer 19
Retailer 20
November 2, 2026
Retailer 11$5,145 USD
Retailer 3$5,367 USD
Retailer 5$5,522 USD
Retailer 16$5,527 USD
Retailer 7$5,596 USD
Retailer 4$5,844 USD
Retailer 9$6,238 USD
Retailer 2$6,332 USD
Retailer 18$6,448 USD
Retailer 8$6,602 USD
Retailer 14$6,658 USD
Retailer 17$7,040 USD
Retailer 19$7,040 USD
Retailer 20$7,280 USD
Retailer 12$7,295 USD
Retailer 13$7,420 USD
Retailer 15$7,475 USD
Retailer 10$7,703 USD
Retailer 6$10,132 USD
MOH London$10,297 USD

30 data points across 20 retailers

19 retailers$5,367 USD to $10,297 USD

A
Cheapest Retailer
-
$5,367 USD
A
Retailer 2
-
$5,522 USD
View
A
Retailer 3
-
$5,527 USD
View
A
Retailer 4
-
$5,596 USD
View
A
Retailer 5
-
$5,844 USD
View
Final sale: no returns
A
Retailer 6
-
$6,238 USD
View
A
Retailer 7
-
$6,332 USD
View
A
Retailer 8
-
$6,448 USD
View
B+
Retailer 9
-
$6,515 USD
View
B+
Retailer 10
-
$6,602 USD
View
A
Retailer 11
-
$6,658 USD
£5,242 GBP
View
B+
Retailer 12
-
$7,040 USD
View
B+
Retailer 13
-
$7,040 USD
View
B+
Retailer 14
-
$7,280 USD
View
B+
Retailer 15
-
$7,420 USD
£5,842 GBP
View
B+
Retailer 16
-
$7,475 USD
€7,119 EUR
View
Retailer 17
-
$7,703 USD
View
Price last confirmed 19 days ago
B
Retailer 18
-
$10,132 USD
View
Most Expensive
B
MOH London
7356A52D2 · Nov 1
$10,297 USD
£8,108 GBP
View
18 more retailers have this diamond
Prices start from $5,367 USDSave up to $4,930 USD

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
$5,367 USD