Round|Natural|GIA

0.51ct J IF Round Natural Diamond

EX • J/IF • GIA 6555934929

Certificate GIA 6555934929

Diamond specifications and retailer prices

From $509 USD
As of November 6, 2026
Save $1,599 USD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,501 USD at MOH London · As of November 2, 2026
View at MOH London

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6555934929. Listed at 18 retailers as of November 5, 2026, with a 314% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
J
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555934929
Dimensions5.08 × 5.11 × 3.15 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.08 mm5.11 mm0.51 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555934929
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.9%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $2,501 USD|Low: $508 USD|High: $3,331 USD|Avg: $1,071 USD
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
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 2$509 USD
Retailer 9$620 USD
Retailer 14$625 USD
Retailer 13$919 USD
Retailer 11$1,017 USD
Retailer 4$1,219 USD
Retailer 15$1,261 USD
Retailer 10$1,366 USD
Retailer 8$1,415 USD
Retailer 18$1,429 USD
Retailer 7$1,470 USD
Retailer 17$1,576 USD
Retailer 3$1,585 USD
Retailer 5$1,619 USD
Retailer 6$1,703 USD
Retailer 12$2,108 USD
MOH London$2,501 USD
Retailer 16$3,331 USD

33 data points across 18 retailers

18 retailers$509 USD to $2,108 USD

A
Cheapest Retailer
-
$509 USD
A
Retailer 2
-
$620 USD
View
A
Retailer 3
-
$625 USD
View
B+
Retailer 4
-
$919 USD
View
B+
Retailer 5
-
$1,017 USD
View
B
Retailer 6
-
$1,219 USD
View
B
Retailer 7
-
$1,261 USD
View
Final sale: no returns
B
Retailer 8
-
$1,366 USD
View
B
Retailer 9
-
$1,415 USD
View
B
Retailer 10
-
$1,429 USD
View
B
Retailer 11
-
$1,470 USD
View
B
Retailer 12
-
$1,576 USD
View
B
Retailer 13
-
$1,585 USD
View
B
Retailer 14
-
$1,619 USD
View
B
Retailer 15
-
$1,703 USD
View
B
Retailer 16
-
$2,108 USD
View
Most Expensive
MOH London
138C7BBD1 · Nov 2
$2,501 USD
£1,969 GBP
View
Price under review
16 more retailers have this diamond
Prices start from $509 USDSave up to $1,599 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
0.51ct Round
$509 USD