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Oval|Natural|GIA

0.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 5513838565

Certificate GIA 5513838565

Diamond specifications and retailer prices

From $493 USD
Save $1,161 USD (70%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,654 USD at MOH London
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 D 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 5513838565. Listed at 15 retailers, with prices from $493 to $1,654 at MOH London, a $1,161 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

0.51
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5513838565
Dimensions6.79 × 4.38 × 2.76 mm
L/W Ratio1.55
Top View
6.79 mm4.38 mm0.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5513838565
Side View
Table 60.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $1,654 USD|Low: $493 USD|High: $1,654 USD|Avg: $856 USD|+1.1%
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
October 1, 2026
Retailer 14$493 USD
Retailer 3$667 USD
Retailer 15$670 USD
Retailer 2$690 USD
Retailer 5$751 USD
Retailer 10$766 USD
Retailer 4$810 USD
Retailer 6$810 USD
Retailer 12$835 USD
Retailer 7$840 USD
Retailer 11$879 USD
Retailer 8$948 USD
Retailer 9$1,059 USD
Retailer 13$1,063 USD
MOH London$1,654 USD

32 data points across 15 retailers

15 retailers$493 USD to $1,654 USD

A
Cheapest Retailer
-
$493 USD
A
Retailer 2
-
$667 USD
View
A
Retailer 3
-
$670 USD
View
A
Retailer 4
-
$690 USD
View
A
Retailer 5
-
$751 USD
View
A
Retailer 6
-
$766 USD
View
A
Retailer 7
-
$810 USD
View
A
Retailer 8
-
$810 USD
View
B+
Retailer 9
-
$837 USD
£659 GBP
View
B+
Retailer 10
-
$840 USD
View
Price last confirmed 14 days ago
B+
Retailer 11
-
$879 USD
£692 GBP
View
B+
Retailer 12
-
$948 USD
€903 EUR
View
B+
Retailer 13
-
$1,059 USD
A$1,630 AUD
View
B+
Retailer 14
-
$1,063 USD
ZAR 17,180 ZAR
View
Price last confirmed 7 days ago
Most Expensive
B
MOH London
FA3B04B78 · Oct 1
$1,654 USD
£1,302 GBP
View
14 more retailers have this diamond
Prices start from $493 USDSave up to $1,161 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
0.51ct Oval
$493 USD