Oval|Natural|GIA

1.51ct F SI1 Oval Natural Diamond

ID • F/SI1 • GIA 5231846819

Certificate GIA 5231846819

Diamond specifications and retailer prices

From $5,398 USD
Save $5,528 USD (51%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $10,926 USD at MOH London
View at MOH London

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231846819. Listed at 19 retailers, with prices from $5,398 to $10,926 at MOH London, a $5,528 spread on the same certified stone. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle38.6°
OriginNatural
Grading LabGIA
CertificateGIA 5231846819
Dimensions8.93 × 6.37 × 4.02 mm
L/W Ratio1.40
Top View
8.93 mm6.37 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5231846819
Side View
Table 56.0%CrownGirdle: MED-THKPavilion 38.6°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $10,926 USD|Low: $5,398 USD|High: $10,926 USD|Avg: $7,275 USD|+0.0%
MOH London
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
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Retailer 13
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Retailer 15
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Retailer 17
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Retailer 19
Retailer 20
Retailer 21
October 1, 2026
Retailer 19$5,398 USD
Retailer 9$5,977 USD
Retailer 6$6,003 USD
Retailer 5$6,385 USD
Retailer 7$6,500 USD
Retailer 21$6,589 USD
Retailer 2$6,616 USD
Retailer 4$6,737 USD
Retailer 8$7,040 USD
Retailer 20$7,092 USD
Retailer 15$7,315 USD
Retailer 17$7,375 USD
Retailer 10$7,388 USD
Retailer 16$7,514 USD
Retailer 11$7,740 USD
Retailer 12$7,740 USD
Retailer 14$7,990 USD
Retailer 13$8,304 USD
Retailer 3$8,644 USD
Retailer 18$9,340 USD
MOH London$10,926 USD

26 data points across 21 retailers

19 retailers$5,398 USD to $10,926 USD

A
Cheapest Retailer
-
$5,398 USD
A
Retailer 2
-
$5,977 USD
View
A
Retailer 3
-
$6,003 USD
HK$46,900 HKD
View
A
Retailer 4
-
$6,385 USD
View
A
Retailer 5
-
$6,500 USD
View
A
Retailer 6
-
$6,589 USD
€6,275 EUR
View
Price last confirmed 5 days ago
B+
Retailer 7
-
$6,616 USD
View
B+
Retailer 8
-
$6,737 USD
View
B+
Retailer 9
-
$7,040 USD
View
B+
Retailer 10
-
$7,092 USD
View
B+
Retailer 11
-
$7,315 USD
£5,760 GBP
View
B+
Retailer 12
-
$7,375 USD
£5,807 GBP
View
B+
Retailer 13
-
$7,514 USD
A$11,561 AUD
View
B+
Retailer 14
-
$7,740 USD
View
Price last confirmed 44 days ago
B+
Retailer 15
-
$7,990 USD
View
Price last confirmed 45 days ago
B+
Retailer 16
-
$8,304 USD
€7,909 EUR
View
B+
Retailer 17
-
$8,644 USD
View
B+
Retailer 18
-
$9,340 USD
ZAR 150,895 ZAR
View
Most Expensive
B
MOH London
456809E73 · Oct 1
$10,926 USD
£8,603 GBP
View
18 more retailers have this diamond
Prices start from $5,398 USDSave up to $5,528 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.

A
1.51ct Oval
$5,398 USD