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Oval|Natural|GIA

0.51ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 6495141284

Certificate GIA 6495141284

Diamond specifications and retailer prices

From $1,009 SGD
As of November 6, 2026
Save $1,198 SGD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,207 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter 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 6495141284. Listed at 18 retailers as of November 4, 2026, with prices from $1,009 to $2,207, a $1,198 spread on the same certified stone. MOH London lists it at $2,207. 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

0.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle39.11°
OriginNatural
Grading LabGIA
CertificateGIA 6495141284
Dimensions6.63 × 4.47 × 2.67 mm
L/W Ratio1.48
Top View
6.63 mm4.47 mm0.51 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6495141284
Side View
Table 56.0%Crown 34.3°Girdle: STK-VTKPavilion 39.11°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,207 SGD|Low: $1,009 SGD|High: $2,238 SGD|Avg: $1,436 SGD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$1,009 SGD
Retailer 6$1,135 SGD
Retailer 7$1,197 SGD
Retailer 3$1,203 SGD
Retailer 2$1,433 SGD
Retailer 4$1,697 SGD
MOH London$2,207 SGD

45 data points across 7 retailers

18 retailers$1,009 SGD to $2,207 SGD

B+
Cheapest Retailer
-
$1,009 SGD
Final sale: no returns
B+
Retailer 2
-
$1,073 SGD
View
Retailer 3
-
$1,093 SGD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$1,093 SGD
View
B+
Retailer 5
-
$1,098 SGD
View
B+
Retailer 6
-
$1,106 SGD
View
B+
Retailer 7
-
$1,135 SGD
View
B+
Retailer 8
-
$1,197 SGD
View
B+
Retailer 9
-
$1,203 SGD
View
B+
Retailer 10
-
$1,224 SGD
View
B
Retailer 11
-
$1,261 SGD
View
B
Retailer 12
-
$1,294 SGD
View
B
Retailer 13
-
$1,294 SGD
View
B
Retailer 14
-
$1,333 SGD
View
B
Retailer 15
-
$1,433 SGD
View
B
Retailer 16
-
$1,697 SGD
View
Most Expensive
B
MOH London
AAF872F4E · Nov 4
$2,207 SGD
£1,356 GBP
View
16 more retailers have this diamond
Prices start from $1,009 SGDSave up to $1,198 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.

B+
0.51ct Oval
$1,009 SGD