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Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

ID • F/SI2 • GIA 6342703357

Certificate GIA 6342703357

Diamond specifications and retailer prices

From $4,699 USD
As of November 4, 2026
Save $4,597 USD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,296 USD at MOH London · As of November 4, 2026
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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6342703357. Listed at 14 retailers as of November 4, 2026, with prices from $4,699 to $9,296, a $4,597 spread on the same certified stone. MOH London lists it at $9,296. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6342703357
Dimensions8.64 × 6.40 × 4.04 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Needle, Natural
Top View
8.64 mm6.40 mm1.51 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6342703357
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: SmallDepth 63.7%

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 4
Current: $9,296 USD|Low: $4,595 USD|High: $9,740 USD|Avg: $6,155 USD|-4.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 6$4,699 USD
Retailer 9$4,736 USD
Retailer 15$4,943 USD
Retailer 5$5,131 USD
Retailer 3$5,262 USD
Retailer 13$5,283 USD
Retailer 10$5,335 USD
Retailer 11$5,732 USD
Retailer 2$6,010 USD
Retailer 4$6,400 USD
Retailer 12$6,400 USD
Retailer 14$6,610 USD
Retailer 8$6,912 USD
Retailer 7$9,168 USD
MOH London$9,296 USD

39 data points across 15 retailers

14 retailers$4,699 USD to $9,296 USD

A
Cheapest Retailer
-
$4,699 USD
A
Retailer 2
-
$4,736 USD
View
A
Retailer 3
-
$4,943 USD
View
A
Retailer 4
-
$5,262 USD
View
Final sale: no returns
A
Retailer 5
-
$5,283 USD
View
A
Retailer 6
-
$5,335 USD
View
Retailer 7
-
$5,732 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$6,010 USD
View
B+
Retailer 9
-
$6,400 USD
View
B+
Retailer 10
-
$6,400 USD
View
B+
Retailer 11
-
$6,610 USD
View
B+
Retailer 12
-
$6,912 USD
View
B
Retailer 13
-
$9,168 USD
View
Most Expensive
B+
MOH London
7BC110D01 · Nov 4
$9,296 USD
£7,320 GBP
View
13 more retailers have this diamond
Prices start from $4,699 USDSave up to $4,597 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 Oval
$4,699 USD